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Wear behaviour of aluminium-based hybrid composites processed by equal channel angular pressing Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-04-17 BN Sharath, P Madhu, Akarsh Verma
In the present investigation, a systematic experimental wear study at room temperature on Al2618 and reinforced Al2618 in the solutionized state, and after each pass of equal channel angular pressing (ECAP) was taken up to obtain a fundamental understanding of the wear behaviour and generate reference data on wear properties. The authors prepared a hybrid composite using Al2618 with boron carbide (5
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Optimization of tribological performance of TiB2-reinforced Al6063 composite using grey-fuzzy tool Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-04-17 Abhijit Bhowmik, Biplab Bhattacharjee, Abayomi Adewale Akinwande, Prasanta Majumder, Jayant Giri, P Satish Kumar, Jitendra Kumar Katiyar
The utilization of TiB2 particle reinforcement in aluminium matrix composites, particularly with Al6063, has been explored in this study for its resilience to mechanical erosion, low oxidation rate, and excellent heat conductivity. The composite was produced using stir casting with 9 wt% TiB2. The investigation focuses on wear behaviour, examining three key process parameters such as load, sliding
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Stability of orifice-compensated air bearing with rectangular shape considering air film thickness Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-04-15 Penghai Zhang
A theoretical model of the orifice-compensated air bearing with rectangular shape is built to study the stability, the stiffness and the air consumption considering the air film thickness. The study shows that, the pocket volume ratio of less than 0.03 is recommended to avoid the pneumatic hammer. The stability is good and the air consumption is small when the bearing has the high stiffness. Strict
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Replicating the rolling-sliding dynamics of cam-roller contacts in large-scale hydraulic drivetrains: A small-scale approach Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-04-15 Pedro Amoroso, Ron AJ van Ostayen, Matthijn B de Rooij
The rolling-sliding dynamics of large-scale cam-roller contacts are strongly influenced by the inertia of the roller, particularly when slippage occurs. Slippage can potentially impact the reliability of these rolling interfaces. This study introduces an approach to replicate the rolling-sliding dynamics of cam-roller contacts in a large-scale hydraulic drivetrain, on a small scale. For that, we have
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Performance analysis of Al stainless steel joints fabricated by friction stir welding: Microstructure, mechanical, and tribology Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-04-15 Fayaz A Mir, Noor Z Khan, Khursheed A Sheikh, Irfan A Badruddin, Sarfaraz Kamangar
Hybrid structures, incorporating both aluminum and steel, hold potential for applications in automobile, aerospace, and marine industries. This research delves into the effects of friction stir welding on dissimilar joints (AA2024-T3 and SS304), with a focus on microstructural, mechanical, and tribological aspects. The study identifies optimal welding conditions at (tool rotational speed 710 r/min
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Evaluation of the performance characteristics of aerostatic bearing with porous alumina (Al2O3) membrane using theoretical and experimental methods Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-04-13 Bivash Chakraborty, Biplab Bhattacharjee, Prasun Chakraborti, Nabarun Biswas
Instruments with high levels of precision commonly use aerostatic bearings. Moreover, the use of porous (Al2O3 membrane) material validates that the pressure is spread uniformly throughout the air film region. The impression of applied load on the thickness of the air film of the aerostatic bearings was evaluated using a certain experimental technique. As the applied load rises, the thickness of the
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Splash lubrication for an orthogonal face gear using numerical investigation integrating image processing Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-04-13 Yu Dai, Cai-Hua Yang, Ru Zhang, Chong-Yu Liang, Xiang Zhu
With practical physical immersion depth as their joint, the relations between the oil distribution characteristics and the associated no-load power losses for splash-lubricated orthogonal face gears are explored and quantified in this paper. Firstly, a theoretical analytical model is proposed to estimate the churning losses of an isolated face gear considering all the preceding parameters, along with
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Study on scuffing failure of gas turbine ball bearing based on 3D mixed lubrication and dynamics Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-04-02 Yan Feng, Xiu Jiang Shi, Xi Qun Lu, Wen Sun, Kun Peng Liu, Yun Fei Fei
Ship gas turbine bearings are subjected to heavy loads and intricate interface micromorphologies, predominantly operate in a mixed lubrication regime. Excessive asperity relative sliding can cause transient high-temperature spikes at contact points, leading to scuffing failures. Dynamic parameters such as bearing friction and clearance, along with vibrations causing fluctuating velocities and loads
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Impact of grease physical properties on the friction torque and service life of wheel bearings Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-03-27 Ayush Jain, Shubham Soni, Nitesh Vashishtha, Deepika Shekhawat
Wheel bearings play a crucial role in ensuring the smooth and reliable rotation of wheels in automotive applications. Grease is commonly used as a lubricant in wheel bearings. The physical properties of grease, such as viscosity, base oil type, and thickener composition, significantly influence the overall performance and longevity of wheel bearings. This study investigates the impact of grease's physical
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Modeling and analysis of elastohydrodynamic lubrication of orthogonal face gear with installation errors Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-03-22 Wenguang Zhou, Rupeng Zhu, Wenzheng Liu, Jingjing Wang
Installation error is one of the most prominent factors affecting the lubrication of face gear. To analyze the lubrication performance of the face gear with installation errors, the installation error model of the orthogonal face gear transmission system is established. Then, the contact path, equivalent curvature radius, load distribution and entrainment velocity are studied using the face gear loaded
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Rolling pairs with shifting contact geometry: Design, development, and validation Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-03-19 Pedro Amoroso, Ron AJ van Ostayen, Matthijn B de Rooij
This work introduces two innovative rolling pair concepts to minimize slippage and reduce mass in cam-roller systems of large-scale hydraulic drivetrains: The variable contact length and the Shifting Contact Geometry concepts. Both aim to improve traction in the low contact force phase in cyclically loaded rolling contacts. The shifting contact geometry concept was validated using three custom rolling
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Failure analysis of gear using continuous wavelet transform applied in the context of wind turbines Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-03-18 Alexandre Medeiros, Raphael Cardoso, José Oliveira Júnior, Salete Alves
One of the main reasons for failure in the wind turbine is the wear between the gear teeth during the power conversion and changes in the rotation speed, which is also generally associated with changes in the lubrication regimes. In this sense, vibration and signal analysis are frequently used in predictive maintenance as they usually permit the identification of deviations in the proper functioning
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Comparison of performance and tribological properties of electromechanical brake with magnetorheological fluid and magnetic powder Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-03-15 Rakesh Kumar Singh, Chiranjit Sarkar
Brakes, which are the safety component of any automobile used to control the motion of the vehicle as per the driver's choice. In conventional brakes, friction lining materials are used, which affect the health of human beings and pollute the environment. Hence, there is a need to look for new types of brake systems. In the present work, a new type of electromechanical (EM) drum brake is designed that
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Prediction of mechanical efficiency of spur gear pairs based on tribo-dynamics model of multi-tooth meshing Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-03-15 Lei Liu, Rong Kong, Zhiwei Chen
The prediction of load-dependent losses of gear pairs is a topic of constant concern, which depends largely on the modelling of friction coefficient in tooth meshing. Although the current load-sharing based models can handle the friction coefficient in mixed elastohydrodynamic lubrication regimes, dynamics behaviour of each tooth pair or the time variation of direction of normal contact load is not
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Modeling and analysis of 3D mixed lubrication in marine cam–tappet pair Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-03-13 Deliang Hua, Xiujiang Shi, Wen Sun, Xiqun Lu
During the operation of the marine cam–tappet pair, affected by periodic dynamic load, transient velocity, and micromorphology, it usually operates in a mixed lubrication state. Under extreme operational conditions, contact is likely to occur at the asperity of the interface, leading to problems such as stress concentration and dry contact. Considering the transient dynamics and three-dimensional roughness
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Study on gear contact stiffness and backlash of harmonic drive based on fractal theory Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-03-07 Congbin Yang, Honglie Ma, Tao Zhang, Zhifeng Liu, Qiang Cheng
Contact stiffness and backlash in the harmonic drive significantly impact a robot's positioning accuracy and vibration characteristics. The height of the harmonic drive tooth pair is typically less than 1 mm, making the measurement and modeling of backlash and contact stiffness inherently complex. This paper proposes a contact stiffness and backlash model by establishing a correlation between fractal
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Lubricity performance of hydrogen-free CVD growth of graphene on copper particles as an additive in paraffin base oil Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-03-06 Nurul Liyana Rahman, Hilmi Amiruddin, Mohd Fadzli Bin Abdollah, Noritsugu Umehara
This study aims to examine the impact of carbon precursor materials, which are oil palm fiber (OPF) and waste polystyrene (PS), on friction and wear properties of paraffin base oil added with graphene-coated copper (Cu) additive. The graphene was synthesized on Cu particles via hydrogen-free chemical vapor deposition method. The graphene was characterized using Raman spectroscopy and transmission electron
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A review on tribological behavior of nickel-based Inconel superalloy Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-03-06 Dhananjay Dubey, Rajdip Mukherjee, Manjesh Kumar Singh
Superalloys are a group of engineering alloys designed to operate at elevated temperatures, and they find application in various engineering sectors where a high-temperature application is required such as nuclear power plants, steam turbines, and aircraft. There are three important classes of superalloys, that is, iron-based, cobalt-based, and nickel-based superalloys. Among them, nickel-based superalloys
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Comparison of mechanical friction evaluations from occupational footwear certified as slip resistant Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-03-06 Lasse Jakobsen, Timo Bagehorn, Ion Marius Sivebaek, Filip Gertz Lysdal
Slipping is a major cause of occupational accidents and numerous footwear factors and features, as well as the testing conditions, affects a shoe's ability to resist slipping. The aim of this study was to compare slip resistance certification data from five certified shoes with measurements performed on a mechanical test setup in accordance with the ISO 20347:2012 standard, as well as determining their
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High temperature tribological response of Fe-2Cu-0.8C-CaF2 self-lubricating composites at high speeds Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-02-26 Sanjay Mohan, Ankush Anand, Ankush Raina, Parshant Kumar, Mir Irfan Ul Haq, Marcel Graf, Subramanian Jayalakshmi, Ramachandra Arvind Singh
In this work, Fe-2Cu-0.8C-CaF2 self-lubricating composites with calcium fluoride solid lubricant (3 □ 12 wt.%) were examined for their friction and wear at 5 and 10 m/s, at 500 °C. Addition of CaF2 decreased density and hardness of composites. During sliding, materials gained weight due to oxidation. Compared to the base matrix (Fe-2Cu-0.8C), composites showed lower weight gain and lower coefficient
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Effects of turbulence and bush wear on the transient tribo-dynamic characteristics of water-lubricated bearings Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-02-26 Ziqi Chen, Ji Wang, Rui Li, Yujun Liu, Pengfa Yu
This research proposes a transient mixed elastohydrodynamic model considering turbulence and bush wear, as well as the concept of contact work, to study the transient tribo-dynamic characteristics of water-lubricated bearings. The effects of turbulence, wear depth, and wear deviation angle on transient tribo-dynamic characteristics of water-lubricated bearings are investigated. The findings show that
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AI techniques for evaluating misaligned journal bearing performance: An approach beyond the Sommerfeld number Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-02-23 Georgios N Rossopoulos, Christos I Papadopoulos
This paper presents two novel artificial intelligence-based approaches for evaluating the performance of heavily loaded marine journal bearings including shaft misalignment. Traditionally, the Sommerfeld number has been used as a key parameter to evaluate the performance similarity between different bearings. However, this method has limitations, particularly when dealing with complex elastic geometries
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Development and characterization of eco-friendly extruded green composites using PLA/wood dust fillers Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-02-21 Hiral H Parikh, Sagar Chokshi, Vijay Chaudhary, Ankit D Oza, Chander Prakash
Nowadays, there is a rising demand for bio-composite materials driven by the increasing need for sustainable alternatives and a desire to lessen dependence on conventional materials. These bio-composites resent eco-friendly solutions to address these challenges. In line with this, the present study focuses on the bio composite material which developed from polylactic acid (PLA) and wood dust (NF).
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Leonardo da Vinci's writings on sliding bearings, lubrication and wear Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-02-20 Ian M Hutchings
This article provides the first comprehensive study of the material relating to sliding bearings, lubrication and wear within the writings of Leonardo da Vinci (1452–1519). While in many instances he was evidently describing contemporary practice, in other cases he demonstrated great innovation and insight. His descriptions of plain journal and pivot bearings and their materials are far richer than
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Utilizing design of experiments techniques to determine the optimal coefficient of friction in spur gears Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-02-19 Naser S Sanoussi, Maroua Hammami, Nabih Feki, Tarek Belgasam, Mohamed Slim Abbes, Mohamed Haddar
The friction occurring between the teeth of gears is a significant contributor to energy loss in gear drives. Factors like the load, speed, and coefficient of friction (µ) play a crucial role in determining the extent of frictional losses in gears. The coefficient of friction (µ) is a complex function influenced by various tribological parameters, including rolling, and sliding velocities, normal load
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Improving the tribological performance of CFRPTFE at elevated temperature by sliding against Ti-TiCx/DLC film Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-02-09 Yipan Deng, Yinshui Liu, Hao Pang, Runzhou Xu, Peiling Ke
Polytetrafluoroethylene (PTFE) has been widely used in industrial field for sealing parts. However, it is well known that PTFE is always subject to serious wear at high temperature (over 150 °C), which has become the main drawback limiting serve life of important equipment such as compressors. In this paper, a new solution is proposed for improving the wear resistance of carbon fibers-reinforced PTFE
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Multi-objective optimization of surface texture shape in fluid mechanical face seals using mass-conserving cavitation boundary condition Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-02-05 Yulong Li, Yongyong He, Jianbin Luo
Surface texture shape significantly influences the tribological and sealing properties of fluid mechanical face seals. Considering that it is a contradiction to simultaneously improve load capacity and reduce leakage, a numerical multi-objective optimization model is proposed herein to improve the load-carrying capacity while reducing the volume leakage rate via texture shape optimization. The mass-conserving
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Numerical simulation of the dynamic fluid–solid coupling in journal bearing with the effect of surface topography in consideration Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-01-31 Di Zhang, Haijun Wei, Chunxing Gu
In the case of the journal-bearing system under a mixed or boundary lubrication regime, the deformation of the bearing, the flow of the lubricating medium, and the contact of the asperities should be taken into account. The lubrication problem at the journal-shaft interface is a complicated fluid–solid coupling problem. In this study, a new approach is proposed to analyze the dynamic fluid–solid coupling
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Development and performance research of a new-type air foil bearing with combined bump foils Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-01-31 CongPeng Shao, HaoJie Xu, ShuangMin Li, Xu Wang, Qi An
In this paper, a new-type air foil bearing with combined bump foils is proposed. The bump foils are arranged and combined in the axial direction. The local and global stiffness of the bearing can be adjusted by the combination of the bump foils. Mechanical analysis of the bearing is carried out, and the mechanical model of the elastic deformation of the flat foil and the bump foils is constructed.
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Numerical and experimental study of the relationship between friction area and temperature of aluminium-based brake disc Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-01-31 Youjie Chen, ManQi Yao, Junying Yang, Rong Fu, Linlin Su, Fei Gao
Clarifying the relationship between friction area and brake disc temperature is helpful to optimizing the brake pad structure. Aluminium-based brake disc temperature paired with circular friction blocks of different diameters (45, 60, and 65 mm) is obtained by the TM-I-type reduced-scale inertial braking dynamometer at braking speeds 60–160 km/h and braking force 1.66 kN. On the basis, the thermo-mechanical
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Effect of ferrofluid lubrication on tribological performance of metal tribopairs Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-01-31 Kavit R Shah, Atindra Shukla, Nimeshchandra S Patel, Jitendra Kumar Katiyar
This study has investigated the influence of ferrofluid lubrication on metal tribopairs using an indigenous Block-on-Ring tribometer as per the G77 standard. Considering the complexity of the ferrofluid-based tribosystem, the experiments were carried out based on a previously proposed level-based simplified tribosystem. It is observed that the impact of ferrofluid as an interaction parameter and magnetic
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Dry sliding wear behavior of hard-chrome and zinc-phosphate conversion coatings on steel substrates Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-01-27 Arun Kumar, Harsh Rachwani, Manjesh Kumar Singh
We have studied tribological properties of conversion coatings, hard chrome on AISI 430 stainless steel, and zinc phosphate on AISI 1044 carbon steel. These substrates were chosen due to their extensive industrial applications. The goal of the present study is to improve the wear resistance of these substrates through the coatings. We performed nano-indentation and ball-on-disc tribometer experiments
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Lubrication and leakage characteristic research of aviation plunger pump considering plunger deflection Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-01-23 Du Yuanying, Chen Bojian, Cao Qinxin, Wang Wenshan, Pu Haiyan
Aiming at the crucial issues of serious friction, wear and large leakage in the key friction pair on the aviation plunger pump, the influence factors of pressure and shear flow are introduced to correct the Reynolds governing equation of the clearance flow, the oil film thickness equation considering the deflection of the plunger was established, and the lubrication and leakage characteristics of the
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A novel transient computational fluid dynamics-fluid–structure interaction model for the pad adaptive motion and rotordynamic coefficients of hybrid porous tilting pad bearings Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-01-23 Peng Xia, Xiaofei Jin, Wenlong Song, Yangqiao Liang, Shicheng Xu, Jiabao Liu, Zhansheng Liu, Wensheng Ma
Hybrid porous tilting pad bearings with the advantages of gas porous bearings and tilting pad bearings exhibited excellent rotor-supporting performance with high accuracy and stability. Under hybrid lubrication, the transient adaptive motion of the tilting pads was important for the rotordynamic characteristics. A novel fluid–structure interaction model of hybrid porous tilting pad bearings was developed
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Investigation of nanoparticle diameter influences on performance of hydrodynamic journal bearings operating with nanolubricant Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-01-09 Abdurrahim Dal
The nanolubricant's effectiveness on the bearings’ performance depends on the types of nanoparticles, volume ratio, and their size and/or diameter. Although the nanolubricant influences on the characteristics of the journal bearings are well known, cost-effective solutions for using nanolubricants, have continued to need in industrial applications. Because the nanoparticle's diameter plays a key role
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Effects of a typical shear dependent viscosity on analytical elastohydrodynamic lubrication film thickness predictions: A critical issue for the classical approach Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-01-09 Scott Bair, Wassim Habchi
Many engineering estimates of the film thickness in the concentrated contacts of real machines have come from extrapolations of measurements of elastohydrodynamic lubrication film thickness performed in glass on steel elastohydrodynamic rigs. Such estimates are likely to have large errors due to shear dependence of viscosity. The classical film thickness formulas employed have not been validated except
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A comparative study of original equipment manufacturer brake pads using tribological testing and hybrid ranking for enhanced decision making and cost effectiveness Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-01-05 Parthasarathy Balaji, Balachandran Surya Rajan, Katharbasha Sathickbasha, Jitendra Kumar Katiyar, Paramathma Baskara Sethupathi, Kottur Asrar Ahmed
Tribological test and hybrid ranking techniques are employed to evaluate brake pads from original equipment manufacturers for Indian passenger cars. The study was conducted for four brake pads designated as OE1, OE2, OE3, and OE4. The assessment integrates the analytical hierarchy process with various ranking methods including Extension Evaluation Method, Complex Proportional Assessment, Preference
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Effect of pistachio shell particles on mechanical and erosion wear performance of hybrid kenaf/glass polyester composites Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2024-01-04 Deepak Kumar Mohapatra, Chitta Ranjan Deo, Punyapriya Mishra, Padmanav Dash
The concern for the environmental hazards due to rapid utilization of non-biodegradable resources has persuaded the researchers to develop eco-friendly materials with noble categories of plant-based fibers and fillers. In view of this content, an effort has been initiated in the present work to explore the retrospective effect of PSP (Pistachio shell particles) on both mechanical as well as erosive
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Test method for determining the scuffing capacity of oils with reduced oil volume Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-05-10 Wassem Gerges, Oliver Heipl, Bernd Pfeifer, Dirk Bartel, Marc Wettlaufer
Previous studies by several researchers have shown that the aging of the transmission fluid in dual clutch transmissions has a major impact on the wear protection of the highly loaded tribological ...
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Comparative study of sintered and composite brake pad for wind turbine applications Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-04-26 M.A. Sai Balaji, Jitendra Kumar Katiyar, A. Eakambaram, P. Baskara Sethupathi, J. Kamalakannan, A. Baskar
The sintered brake pads have been the most commonly utilized brake pads in wind turbines, as it stalls the rotor after shutdown or in case of emergencies. It is a mixture of metallic particles that...
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The Influence of the Metalworking Fluid on Tool Wear in Milling Inconel 718 Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-04-18 Linus Meier, Michael Eglin
The understanding of tool wear mechanisms is fundamental to developing more productive machining processes. Therefore, the influence of different metalworking fluids on tool wear is studied when mi...
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Sustainable tribology for reliability and efficiency Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-04-12 Jitendra Kumar Katiyar, TVVLN Rao
This special issue includes a collection of papers presented at the International Tribology Research Symposium (ITRS) 2021, held from 8th to 10th December 2021 in a virtual mode with the Tribology ...
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The effect of aviation anti-wear additives on tribofilm formation and micropitting propensity Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-04-11 Jake Airey, James Simpson, Matthew Spencer, Richard W Greenwood, Mark JH Simmons
This article studies the effect of anti-wear additives on micropitting and tribofilm formation. In particular, anti-wear additives used in aviation applications have been compared against a commonl...
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Probing asymmetric uncertain effect on symmetric three-lobe journal bearing Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-04-04 B Roy, L Roy, S Dey
The conventional design process of journal bearings is completely based on deterministic theoretical predictions. The deterministic approach ignores the probabilistic and random nature of input var...
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Transient analysis for offset-elliptical journal bearings under misalignment and dynamic loading Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-03-17 Kai Wang, Lihua Yang, Haoze Wang, Xilong Ji, Kaidi Zhu
Although the offset-elliptical journal bearings (OEJBs) are widely used in industry, there are few researches on the OEJBs, especially under the conditions of journal misalignment and sudden load. ...
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Tribological property and oxidation stability evaluation of rice bran oil with silicon dioxide nanoparticles and spicy aroma-based herbal oils as additives Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-03-15 Vivek V Kamal, Nakul Pradeep, Rani Santhakumari amma, Muhammed Arif, Ananthan D Thampi, Sneha Edla
Around the globe, the majority of industries are utilizing mineral oil-based lubricants because of their cost, availability, and compatibility with different engineering materials. The progressive ...
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Tribological roles of MoS2 and PTFE nano oils at the rolling/sliding point contacts: Conventional versus textured contacts Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-03-15 Rameshwar Chaudhary, RK Pandey, SK Mazumdar
Nanolubricants and surface textures have evidenced the ability to improve the tribo-performances of concentrated contacts. Motivated by this finding as reported in the literature, in the present wo...
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Micropolar lubricant effects on the performance of partial journal bearings Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-03-15 Sanyam Sharma, Sanjeev Lambah, Vinod Mittal, Rajiv Verma
Present work deals with the computation of static performance of partial journal bearing, operated with micropolar lubricant. The non-dimensional Reynolds equation governs the lubricant flow in cle...
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Hydrodynamic performance study of a dimple textured surface at various area ratios and sliding speeds using CFD Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-03-13 Haniff A Rahman, Jaharah A Ghani, Wan Mohd Faizal Wan Mahmood, Mohammad Rasidi Rasani, Nabil Jouini
A three dimensional computational fluid dynamic (CFD) analysis was conducted to understand the hydrodynamic performance of a dimple texture produced using recently invented low-cost dynamic-assiste...
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Effect of direct injection and pivot stiffness on the static performance parameters of tilting pad journal bearings Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-03-08 Thales Freitas Peixoto, Felipe Wenzel da Silva Tuckmantel, Gregory Bregion Daniel, Katia Lucchesi Cavalca
This work presents a thermo-hydrodynamic model of a tilting pad journal bearing (TPJB) supported on flexible pivots and considering direct injection on the bearing gap. It initially investigates se...
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The performance evaluation of a surface-textured ultrasonic levitation bearing under multi-operation mode Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-03-08 Minghui Shi, Hong Guo, Shaolin Zhang, Shujie Chen, Fengcheng Fan
The load capacity of ultrasonic levitation bearing has become an important factor limiting its practical application in engineering, due to which the load capacity is very small compared to that of...
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Research on the thermohydrodynamic lubrication performance of engine main bearing with rough surface considering the axial motion and deformation of crankshaft Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-02-28 Biao Li, Jun Sun
In this paper, the influence of the thermal effect on the lubrication performance of engine main bearing with rough surface considering the axial motion of crankshaft is investigated. In the analys...
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Cutting tool wear minimization in drilling operations of titanium alloy Ti-6Al-4V Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-02-19 Mohsen Soori, Behrooz Arezoo
Cutting tool wear during drilling operations can cause damage to cutting tools, machine tools, and workpieces which should be analyzed and minimized. Cutting tool wear impacts not just tool life bu...
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Tribological behaviour of polycarbonate urethane against Ti-6Al-4V for long-term resilient Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-02-12 Daniel Glad Stephen Jacob, Prakash Muniyandi
Polycarbonate urethane has gained popularity as a bearing material to replace the existing hard polymeric materials in artificial joints. However, the viability of using polycarbonate urethane in a...
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An investigation into the physical, mechanical, tribology, thermal and durability performance of commercial brake material for rail transportation Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-02-08 Sindhu Budati, Z. Leman, MH Sulaiman, MA Azmah Hanim, MJ Ghazali
Brake friction materials play a crucial role to enable effective deceleration on the moving rail vehicle. Unfortunately, particulate matters generated by brake wear as well as during the brake manu...
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Tribological characteristics of ABS structures with different infill densities tested by pin-on-disc Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-02-07 Gülşah Akıncıoğlu, Emine Şirin, Enes Aslan
Acrylonitrile butadiene styrene (ABS), a petroleum-based thermoplastic, is widely used in various industry. It is important to make product costs without reducing the wear characteristics of produc...
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Potential of palm oil with tert-Butylhydroquinone in place of mineral oil lubricant for reducing environmental degradation Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-02-05 Koleola Ebenezer Ojaomo, Samion Syahrullail, Fazila Mohd Zawawi, Mohd Zamri Yusop
Lubrication has remained an important aspect of machines maintenance and designs since time immemorial, yet the quest for improved lubricant for sustainable life of both equipment and environment c...
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A study on surface microgrooves in cavitation test of 6061 aluminum alloy Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-02-01 Shuo Wang, Feng Cheng, Fujia Wu, Xiaoxing Peng, Yantao Cao
Microgrooves of different widths and microgrooves structures with varying widths were engraved on the surface of 6061 aluminum alloy using fiber laser marking equipment. In order to investigate the...
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The influence of surface topography on mixed plasto-elastohydrodynamic lubrication in point contacts Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-01-26 Jiaqi Li, Boyang Zhang, Qingdong Zhang, Rui Li
Surface topography plays an important role in mixed lubrication. However, the influence of the surface topography's morphological characteristics on lubrication performance is still not fully under...
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Evaluation of tribological property and coating reliability of alumina and aluminum silicate-coated A356 aluminum alloy Proc. Inst. Mech. Eng. Part J J. Eng. Tribol. (IF 2.0) Pub Date : 2023-01-23 Renjish Vijay, V N Aju Kumar, A Sadiq, T S Krishna Kumar
Material loss due to relative motion between the contact surfaces causes surface degradation leading to premature failure of engineering systems. Of the several techniques to improve the wear resis...