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Examination of the metallization behaviour of an ABS surface Surf. Eng. (IF 2.8) Pub Date : 2023-11-30 Büsra Ünlü, Yahya Öz, Metehan Erdoğan, İshak Karakaya
The main scope of this work is the metallization of high density Acryonitrile Butadiene Styrene (ABS) surfaces for aerospace applications. Originality and main focused area of the study is to grasp...
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Adhesion and tribological characteristics of modified polyurethane coating on composite substrate Surf. Eng. (IF 2.8) Pub Date : 2023-11-30 Mohammed Mushtaq, Ramesh B. Adusumalli, Kurra Suresh, Anu Anna Abraham
In the present study, glass-epoxy composites were used as a substrate to study the performance of modified polyurethane coating. Two-layer coating (180–200 µm) wherein the epoxy primer as the first...
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Enhancing multi-crystalline silicon wafer performance through surface modification and AZO treatment Surf. Eng. (IF 2.8) Pub Date : 2023-11-30 Akhil Krishnan, Aravindan Guruswamy, P. Balaji Bhargav, P. Ramasamy
In the current work, we studied the influence of surface modification on reflectivity and minority carrier lifetime of mc-Si wafer taken from ingot grown by DS process. Two etchants combination nam...
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Performance of electrochemically deposited hydroxyapatite on textured 316L SS for applications in biomedicine Surf. Eng. (IF 2.8) Pub Date : 2023-11-30 R. Health Royal Hermonson, R. Thanigaivelan, Vinod Kavya, K. Rathinasamy, T. Jagadeesha
This study investigates the biocompatibility of laser-textured 316L stainless steel (SS) coated with hydroxyapatite (HA) for orthopaedic implants. Powdered HA was electrochemically deposited on the...
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Effect of SeO2 on corrosion resistance of micro-arc oxidation Surf. Eng. (IF 2.8) Pub Date : 2023-11-30 D.F. Zhang, R. Zheng, X.W. Chen, G.H. Zhang
In order to make titanium alloy implants have better corrosion resistance in the human body, selenium-containing coating was added to the surface of Ti6Al7Nb through micro-arc oxidation. The result...
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Enhanced erosion resistance of HVOF-deposited laser-textured TiC coating with PTFE Surf. Eng. (IF 2.8) Pub Date : 2023-11-30 Vikrant Singh, Anil Kumar Singla, Anuj Bansal
This research explores the enhanced slurry erosion behaviour of a composite coating comprising Titanium Carbide (TiC) deposited via High Velocity Oxy-Fuel (HVOF) spraying process. The study integra...
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Vanadium promoted ZnO films: effects on optical and photocatalytic properties Surf. Eng. (IF 2.8) Pub Date : 2023-11-30 Cemre Avşar, Gurkan Karakas
The effect of electrodeposition temperature, vanadium doping, and oxidation state of vanadium on the photocatalytic activity of ZnO thin films over ITO substrates were investigated. NH4VO3 aqueous ...
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Preparation and frictional characteristics of solid lubrication coating on CFRP surface Surf. Eng. (IF 2.8) Pub Date : 2023-11-30 Xianglong Wen, Zhengyang Zhou, Pengfei Wang, Jinguang Zhang
Solid lubricating coatings were applied onto Carbon Fibre Reinforced Polymer (CFRP) substrates, using epoxy resin as the adhesive agent, graphite (C) and molybdenum disulphide (MoS2) as lubricating...
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Laser surface texturing of dies in strip drawing of DP600 steel sheet Surf. Eng. (IF 2.8) Pub Date : 2023-11-30 Archit Shrivastava, D. Ravi Kumar, G. Manikandan, Rahul K. Verma
Friction at the blank-die contact influences material flow, formability, and product surface quality in processes like deep drawing. Surface modification of the dies by laser texturing is a potenti...
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Correction Surf. Eng. (IF 2.8) Pub Date : 2023-11-30
Published in Surface Engineering (Vol. 39, No. 7-12, 2023)
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Measurement methods and fractal dimensions of blast-cleaned steel substrates Surf. Eng. (IF 2.8) Pub Date : 2023-10-05 T. Marquardt, A. W. Momber, A. Krenz
Morphological parameters of steel substrates determine the adhesion of coatings and adhesives. Three different assessment methods (cross section image, contact stylus instrument, and stripe light p...
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Tailoring Ti Grade 2 and TNTZ alloy surfaces in a two-step mechanical–chemical modification Surf. Eng. (IF 2.8) Pub Date : 2023-10-05 Agnieszka Kowalczyk, Donata Kuczyńska-Zemła, Agata Sotniczuk, Klaudia Anuszewska, Halina Garbacz
The aim of this work was to improve the surface properties of cp-Ti Grade 2 and β-Ti alloy TNTZ (Ti-29Nb-13Ta-4.6Zr) for biomedical applications. A hybrid surface treatment consisting of shot peeni...
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Improving the adhesion of CrN coatings on TC4 alloy substrates by discharge current modulation in magnetron sputtering Surf. Eng. (IF 2.8) Pub Date : 2023-10-05 Shuai Xu, Zhuo Zhao, Yanwen Zhou, Kaice Zhang
The study reports the formation of multilayer coatings of CrN with variable gradient modulus on TC4 substrate by varying the discharge current of the hot filament in magnetron sputtering. Results s...
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Internal stress of high tungsten content Ni-W alloy coatings Surf. Eng. (IF 2.8) Pub Date : 2023-09-15 Yingjun Xu, Deyong Wang, Minqi Sheng, Huihua Wang
This study investigates the impact of current density on the microstructure, composition, and internal stress of Ni-W alloys electrodeposited in a citrate system. Using XRD, SEM, EDS, TEM, and XPS,...
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Mechanical optimisation of Ni coatings produced by low-pressure cold spray Surf. Eng. (IF 2.8) Pub Date : 2023-09-14 Felice Rubino, David Merino-Millan, Fausto Tucci, Pedro Poza
Nickel-based coatings are widely used as thermal barriers in several sectors thanks to their remarkable corrosion and wear resistance and outstanding stability at high temperatures. Recently, Ni co...
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Cyclic oxidation of slurry silicide-aluminide coatings formed on Ti-6Al-4V alloy Surf. Eng. (IF 2.8) Pub Date : 2023-09-12 Agnieszka Kochmańska, Paweł Kochmański
A proprietary slurry cementation method was used to produce silicide-aluminide coatings on alloy Ti-6Al-4V. The cementation processes were carried out at 900–1100 °C for 2–6 h. The coatings exhibit...
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Anticorrosive PEO coatings on metallic cast heat enhancers for thermal energy storage Surf. Eng. (IF 2.8) Pub Date : 2023-09-10 Natalia Raźny, Anna Dmitruk, Krzysztof Naplocha
The research aims to determine whether a protective oxide coating obtained by plasma electrolytic oxidation (PEO) will prevent unfavourable changes occurring on the surface of aluminium heat enhanc...
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Microstructures and properties of ultrasonically surface-modified Cu–0.2Be–1.0Co alloy Surf. Eng. (IF 2.8) Pub Date : 2023-09-06 Jinyun Wang, Bowen Zhang, Zhenyu Hong, Hongliang Zhao
Low-Be copper alloys exhibit high thermal and electrical conductivities but weak strength, hardness, wear and corrosion resistances, which limit their practical applications severely. To overcome t...
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The effect of WC-Co substrates on TiN/TiCN/Al2O3/TiCNO multilayer coatings Surf. Eng. (IF 2.8) Pub Date : 2023-09-02 Yingpu Huang, Lihui Zhu, Zhenyu Liu, Yuanyuan Bian
In order to determine optimum substrate, TiN/TiCN/Al2O3/TiCNO coatings were deposited on WC-7Co substrate and WC-6Co substrate (named as Coating-7Co and Coating-6Co, respectively), and then the eff...
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Investigation of tribological and corrosion performance of electroplated hard chromium coating on 17-4 PH steel Surf. Eng. (IF 2.8) Pub Date : 2023-08-31 S. K. Ghosh, P. K. Limaye, C. Srivastava, A. K. Sahu
ABSTRACT Electroplated hard Cr-coated 17-4 PH stainless steel is regularly used in various parts of fuel handling system of nuclear reactors. In this study, the Cr-coated samples were investigated in detail for the coating adhesion using micro-scratch tester and ball indentation. Tribological investigation of the Cr coating was done in a reciprocating ball-on-plate dry sliding geometry against SS 440C
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The potential use of laser cladded functionally graded materials to mitigate degradation in boiler tube heat exchangers for power plant applications: a review Surf. Eng. (IF 2.8) Pub Date : 2023-08-31 Joseph B. Morake, James M. Mutua, Martin M. Ruthandi, Eyitayo O. Olakanmi
Surface modification is essential to safeguard heat exchangers from premature failure spurred by deterioration mechanisms such as corrosion and wear, which diminish performance. Meanwhile, modifyin...
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Ultra-black coatings is the new black Surf. Eng. (IF 2.8) Pub Date : 2023-08-28 Lakshmi Gopal, Tirumalai Sudarshan
Published in Surface Engineering (Vol. 39, No. 6, 2023)
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Investigation of electrodeposited copper layer with island twinning structure on Zr substrate Surf. Eng. (IF 2.8) Pub Date : 2023-08-20 Meysam Karimi, Ali Hadipour, Masoud Araghchi, Amir Razazzadeh
ABSTRACT In this study, the surface properties of copper layers on a zirconium substrate were investigated. The copper deposits with thicknesses of 25, 50, and 100 μm were formed using the electroplating method. The evaluations of coating thickness, surface morphology, crystallite size, and grain distribution were performed by using the relevant analytical equipment. The results showed that by increasing
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Die-sink EDM texturing to fabricate hydrophilic and wear resistant surface Surf. Eng. (IF 2.8) Pub Date : 2023-08-10 Monty Kumar, Anubhav Kumar Sharma, Kailash Jha, Amitava Mandal
ABSTRACT The present work emphasizes the fabrication of a series of V-groove channels utilizing electrical discharge machining using a pointed tungsten tool electrode. The prepared textured surface is tested for the shape of V-groove channel, wetting behavior, and tribological aspect. A decrease in shape error of V-groove channel is observed as the peak current increases from 4 A to 10 A due to an
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Protection of AA2024 alloy against wear and corrosion by HVAF sprayed AlCuFe coating Surf. Eng. (IF 2.8) Pub Date : 2023-08-08 Changliang Wang, Zhang Li, Mykola O. Iefimov, Bohdan N. Mordyuk
ABSTRACT Quasicrystalline (QC) AlCuFe coating is produced on the AA2024 alloy using high-velocity air-fuel (HVAF) spraying. The HVAF sprayed coatings are studied in as-deposited and subsequently annealed (400°C, 1 h) states. XRD, SEM, and EDX analysis revealed a two-phase microstructure comprising QC icosahedral ψ-phase (the volume fraction of ∼75%) and interlayered bcc β-phase that remains the same
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Growth of hard metal films by deep oscillation magnetron sputtering Surf. Eng. (IF 2.8) Pub Date : 2023-08-07 Y.G. Li, C.L. Chen, W.Y. Liu, L. Li
ABSTRACT Pulsed vapour fluxes with proper controlled time duration were proved to be an important controlling dimension for the deposition of a desired thin film. In this work, deep oscillation magnetron sputtering was employed to tailor the ionized pulsed flux for Nb and Cr thin film grown on AISI 304 stainless steel. Through tuning the micropulse oscillating voltage-off time from 10 to 40 μs, Nb
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Effect of burnishing on HVOF coated boiler steel against hot corrosion in actual boiler environment Surf. Eng. (IF 2.8) Pub Date : 2023-08-05 Atul Agnihotri, Sukhminderbir Singh Kalsi, Harmesh Kansal
ABSTRACT Hot corrosion of boiler tubes used in steam-generating systems has been recognized as a severe problem, resulting in tube wall thinning and premature failure. In this study, the effect of burnishing the thermal sprayed coatings against high-temperature corrosion of SA213-T22 boiler steel in actual environmental conditions of coal-fired boiler has been investigated. An experimental study was
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Surface modification of urinary catheters Surf. Eng. (IF 2.8) Pub Date : 2023-08-01 Lakshmi Gopal, Tirumalai Sudarshan
Published in Surface Engineering (Vol. 39, No. 5, 2023)
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Corrosion fatigue behaviour of electrospun PCL/HA coated magnesium biocomposites Surf. Eng. (IF 2.8) Pub Date : 2023-07-31 M. Shamsi, M. Sedighi
ABSTRACT Magnesium implants are susceptible to premature failure due to corrosion and cyclic loading within the body. Composite fibre coatings are effective at reducing corrosion in magnesium materials. In this study, an Mg/HA composite was fabricated, and microscopic and mechanical characterisation was performed. The samples were then electrospun with PCL/2.5%HA fibres, and corrosion behaviour was
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Influence of 3-aminopropyltriethoxysilane/tetraethylorthosilicate mixture pretreatment on the microstructure and corrosion resistance of zeolite coating Surf. Eng. (IF 2.8) Pub Date : 2023-07-29 Yong-gui Chen, Qiong Chen, Ming-an Chen
ABSTRACT The influence of silane pretreatment with five different volume ratios (100/0, 75/25, 50/50, 25/75, and 0/100) of 3-aminopropyltriethoxysilane (APTES)/tetraethylorthosilicate (TEOS) on microstructure and corrosion resistance of the hydrothermal synthesized zeolite coatings on the H13 steel substrates was investigated. The surface of the zeolite coatings on the 100/0, 75/25, and 50/50 mixture
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Surface engineering in artificial heart valves Surf. Eng. (IF 2.8) Pub Date : 2023-07-28 Lakshmi Gopal, Tirumalai Sudarshan
Published in Surface Engineering (Vol. 39, No. 4, 2023)
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A green vanadium-based formulation for the conversion of steel Surf. Eng. (IF 2.8) Pub Date : 2023-07-26 L. Razzaboni, L. Casanova, M. Pedeferri, M. Ormellese
ABSTRACT The electroless deposition of a novel vanadium-based conversion coating (VCC) on carbon steel was investigated varying parameters as vanadium salt concentration, immersion time, bath pH and temperature. The novelty resides on the deposition of a protective layer from a V4+ solution comprising green reducing agents like ascorbic and citric acids. The VCC was found to be amorphous, composed
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Improvement of current-carrying tribological behaviour via laser surface texture Surf. Eng. (IF 2.8) Pub Date : 2023-07-25 Dongwei Wang, Faqiang Li, Qichang Huang, Fanyu Wang
ABSTRACT Three kinds of laser surface texture (LST), i.e. square pit-textured surface (SPTS), round pit-textured surface (RPTS) and groove-textured surface (GTS), are fabricated on the flat brass (H65) sample surfaces. The current-carrying tribological behaviour of these surfaces are investigated. It is noticed the COFs of smooth surface, SPTS and RPTS are all greater than 0.6 after the test, while
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Effect of bias voltages on microstructure and mechanical properties of (AlCrNbSiTi)N high entropy alloy nitride coatings deposited by arc ion plating Surf. Eng. (IF 2.8) Pub Date : 2023-07-23 Jie Liu, Xiangyu Zhang, Xiaomei Zeng, Zechang Xiong, Yan Liu, Yan Lei, Bing Yang
ABSTRACT (AlCrNbSiTi)N coatings were prepared by arc ion plating at a bias voltage in the range of −50 to −200 V. The as-deposited coatings were all found to have a face-centred cubic structure and exhibit columnar crystal. Si3N4 is distributed in the columnar grains in the form of a network, which separates the columnar grains into fine grains. Si3N4 presents a crystalline state and grows coherently
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Biological fouling and corrosion resistance of Ni-based coating on AH32 Surf. Eng. (IF 2.8) Pub Date : 2023-07-18 Su Zhiwei, Zhou Yanwen, Yan Caibo, Zhang Kaice
ABSTRACT To reduce the destruction of organic biological fouling in marine steel, nickel-based (NiCrAlY) transition coatings with and without silver (Ag) doping were prepared on AH32 marine steel by plasma spraying. The coatings exhibited a layered structure, and AlNi3 (111), (200), and (220) diffraction peaks were detected. The Ag (111) peaks were also observed for the Ag-doped coatings. The number
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Analysis of adhesion strength and residual stresses developed by the EDC process Surf. Eng. (IF 2.8) Pub Date : 2023-07-16 V. Kumaran, B. Muralidharan
ABSTRACT This paper reports the effect of coating thickness on adhesive properties, and residual stresses by the electric discharge coating (EDC) process on Mg alloy with copper (Cu) nickel (Ni) powder metallurgical (P/M) electrodes. The composite coating layer thickness was measured by optical microscope and it ranges from 10.2 to 102.4 µm. The coating layer was characterized by a Field emission scanning
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Antibacterial properties of TiO2 nano coating on food packaging surfaces against Escherichia coli and Salmonella typhimurium Surf. Eng. (IF 2.8) Pub Date : 2023-07-16 Patcharaporn Phuinthiang, Duangdao Channei, Khakhanang Ratananikom, Auppatham Nakaruk, Wilawan Khanitchaidecha
ABSTRACT This work aimed to enhance the surface properties of common food packaging materials (PVC, PS, PET, PVDC) by applying a TiO2 nano thin film coating. Physical and chemical analyses confirmed a well-defined anatase phase film. PET showed the highest antibacterial activity, followed by PVDC, PS, and PVC. After 60 min of UV-A irradiation, E. coli elimination rates were 99.85% (PET), 97.14% (PVDC)
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Experimental investigation of the EDM tools coated with nano-alumina film Surf. Eng. (IF 2.8) Pub Date : 2023-07-16 Shu-Yu Gui, Hu Gong, Yi-Jia Sun, Chong Feng
ABSTRACT During electrical discharge machining (EDM) drilling of small high-aspect-ratio holes, abnormal discharges between tool flank and workpiece will result in high process instability and poor shape accuracy. In order to solve this problem, dense nano-alumina insulating film is plated on the tool flank based on atomic layer deposition (ALD) to suppress the secondary discharge for the benefit of
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Flexural and corrosion behaviour of WC-10Co-4Cr + Graphene sprayed on textured HSLA-steel Surf. Eng. (IF 2.8) Pub Date : 2023-07-13 Shreyansh Shrivastava, Vijay Kumar, Rajeev Verma, Varun Sharma
ABSTRACT The aim of this work was to investigate the flexural strength and corrosion behaviour of graphene-reinforced WC-10Co-4Cr HVOF coating on sandblasted and laser-textured DH-36 naval-grade steel. In this regard, WC-10Co-4Cr and WC-10Co-4Cr + 3% graphene nanoparticles (GNPs) are applied on DH-36 substrates using the HVOF coating technique and their microhardness, flexural strength and corrosion
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HVOF Deposition, comparative investigation and optimum selection of molybdenum, boron, chromium, and titanium in Iron amorphous composite coatings Surf. Eng. (IF 2.8) Pub Date : 2023-07-13 Ratnesh Kumar Sharma, Randip Kumar Das, Shiv Ranjan Kumar
ABSTRACT The current investigation focuses on the comparative assessment of each alloying element such as titanium, chromium, boron, and molybdenum on mechanical and solid particle erosion behaviour of Iron amorphous composite coatings. Iron amorphous composite coatings were deposited on 316L steel. Based on mechanical and erosion properties, the ranking of the alloying element was derived using the
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Characteristics of reduced graphene oxide (rGO) mixed HVOF-sprayed nanostructured coatings Surf. Eng. (IF 2.8) Pub Date : 2023-07-12 Akella Srikanth, Venkateshwarlu Bolleddu
ABSTRACT High-velocity oxyfuel (HVOF) sprayed ceramic coatings possess less porosity and exceptional cohesive strength as compared to the air plasma sprayed ceramic coatings. In particular, the HVOF-sprayed tungsten carbide-cobalt (WC-Co) coatings have the disadvantage of unexpected brittle fracture. These coatings usually fail at higher levels of stress because of their lower fracture toughness that
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Graphene-based anti-corrosion coatings on magnesium alloys: a review Surf. Eng. (IF 2.8) Pub Date : 2023-07-10 Yan Zhou, Qian Li, Andrej Atrens, Liang Wu
ABSTRACT Magnesium alloys are low in density, high in strength and non-toxic, nevertheless, their industrial application is substantially limited owing to their low electrode potential and susceptibility to corrosion. Surface and coating technology is widely used to improve their corrosion resistance. Graphene is one candidate material for anti-corrosion coatings because of its high aspect ratio, outstanding
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Long-term oxidation of MoSi2-modified HfB2–SiC–Si/SiC–Si coating at 1700°C Surf. Eng. (IF 2.8) Pub Date : 2023-07-03 Wuqing Ding, Lei Zhou, Jiaping Zhang, Qiangang Fu
ABSTRACT Slurry impregnation and gaseous Si infiltration were effectively used to produce compact MoSi2-doped Si–HfB2–SiC/Si–SiC (HMSS/SS) coatings with a thickness of 250 μm to protect carbon fibre reinforced carbon (Cf/C) composites from oxygen corrosion at 1700°C. The HMSS/SS coating obtained with a mosaic structure makes it possible to protect Cf/C composites at 1700°C for 276 h and the mass reduction
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Investigation of the tribochemical reaction mechanism in dry-type CMP of 6H-SiC substrate Surf. Eng. (IF 2.8) Pub Date : 2023-07-03 Zongtang Li, Zhichao Qi, Tianyi Zhang, Zhankui Wang, Jianxiu Su
ABSTRACT In this paper, the tribochemical reaction mechanism between solid powder and 6H-SiC substrate was investigated. White light interferometer was used to detect surface roughness, FESEM was used to observe surface characteristics, EDS was used to detect surface elements and XRD was used to detect surface components. The tribochemical reaction mechanism of the reduced iron powder, anhydrous sodium
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A mechanically durable induction heating coating with desirable anti-/de-icing performance Surf. Eng. (IF 2.8) Pub Date : 2023-07-03 Yahua Liu, Haojie Sun, Xueguan Song, Cong Liu
ABSTRACT The anti-/de-icing technology based on induction heating offers significant advantages regarding fast heating, high efficiency, safety and environmental protection. However, the reported methods require the modification of base materials, which lacks universal applicability. Here, a universal and facile anti-/de-icing method is proposed based on induction heating. The durable induction heating
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Influence of different modes of microarc oxidation of titanium on the electrochemical properties and surface morphology of the obtained coatings Surf. Eng. (IF 2.8) Pub Date : 2023-06-21 V.E. Kasatkin, I.V. Kasatkina, N.L. Bogdashkina, M.V. Gerasimov, B.L. Krit, S.N. Grigoriev, I.V. Suminov, I.A. Kozlov
ABSTRACT The influence of Microarc Oxidation (MAO) modes of titanium substrate in electrolytes of the original composition is investigated. Used electrolytes no contain sodium silicate but includes nickel sulphate, sodium aluminate and alkali. The morphology and composition of the obtained coatings were studied by electron microscopy. The electrochemical behaviour was studied using polarisation curves
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Functional surfaces through texture management Surf. Eng. (IF 2.8) Pub Date : 2023-06-21 Lakshmi Gopal, Tirumalai Sudarshan
Published in Surface Engineering (Vol. 39, No. 3, 2023)
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Energy storehouse and a remarkable photocatalyst: Al2S3/Cu2S/Ni17S18 thin film as supercapacitor electrode and pollutants degradation Surf. Eng. (IF 2.8) Pub Date : 2023-06-15 Mahwash Mahar Gul, Khuram Shahzad Ahmad
ABSTRACT Fabrication of the tri metal sulphide Al2S3-Cu2S-Ni17S18 thin film was achieved by physical vapour deposition. The synthesised material was fully characterised by XRD, SEM, EDX, UV-visible spectrophotometer and FTIR. A nanoscale ranged 23.5 nm average crystallite size was obtained for the ternary metal sulphide. A motley of clustered morphological particles was observed by SEM with the confirmation
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Plasma nitriding effects in fatigue behaviour of the welded 4340 steel Surf. Eng. (IF 2.8) Pub Date : 2023-06-08 P. S. P. Garcia, A. S. M. Cardoso, R. Chales, B. B. Almeida
ABSTRACT Welding is one of the major assembly processes employed in most common aeronautical applications. However, the consequences of the thermal cycle might be detrimental to the material’s fatigue resistance depending strongly on the resulting microstructure. The 4340 steel is known to present temper embrittlement, which greatly reduces its fatigue life and weldability. This work proposes plasma
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Wear and corrosion behaviour of the cryogenically treated tungsten carbide coatings Surf. Eng. (IF 2.8) Pub Date : 2023-06-05 Akshay R. Govande, B. Ratna Sunil, Ravikumar Dumpala
ABSTRACT The WC–12Co coatings were deposited on SS 410 substrates using a high-velocity oxygen fuel (HVOF) process and the coatings were heat-treated at 750°C for 1 h in argon environment. Further, the coatings were subjected to cryogenic treatment for 1, 2, 8 and 24 h, and its influence on the reciprocating sliding wear and corrosion characteristics was studied. The structural changes in the coatings
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Superhydrophobic DTMS/rGO-nanocomposites modified polyurethane sponge for efficient oil–water separation Surf. Eng. (IF 2.8) Pub Date : 2023-06-05 Ji Li, Junfeng Lu, Tian C. Zhang, Shaojun Yuan
ABSTRACT Dodecyltrimethoxysilane (DTMS)-modified reduced graphene oxide (rGO) nanocomposites were incorporated into polyurethane (PU) sponges by a combination of dip-coating and thermal curing reduction reaction to obtain a novel superhydrophobic DTMS-rGO-PU sponge for effective oil/water separation. The reaction conditions, such as the dip-coating solution concentration, the thermal curing reduction
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Influences of Sc(NO3)3 on characteristics of micro-arc oxidation coatings Surf. Eng. (IF 2.8) Pub Date : 2023-05-25 Shaolan Yang, Ping Wang, Jiwei Liu
ABSTRACT Micro-arc oxidation (MAO) coatings were fabricated on 2195 aluminium-lithium alloy substrate, using a silicate and phosphate electrolyte with variable scandium nitrate (Sc(NO3)3) concentrations. The properties of the coatings were analysed by scanning electron microscope (SEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and electrochemical workstation. The comprehensive
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Turning of Al 7075-T6 aerospace alloy under different sustainable metalworking fluid strategies by coated carbide tools Surf. Eng. (IF 2.8) Pub Date : 2023-05-20 Jasjeevan Singh, Simranpreet Singh Gill
ABSTRACT We primarily need to reduce the consumption of metalworking fluid to ensure sustainable and eco-friendly machining of aerospace alloys. The present study was planned to determine the efficiency of various eco-friendly metalworking fluid strategies for the sustainable turning of aerospace aluminium alloy (Al7075-T6) coated carbide tools under different eco-friendly metalworking fluid strategies
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Corrosion behaviour of facile coated ZnO on Mg–Zn–Zr alloy in Ringer’s physiological solution Surf. Eng. (IF 2.8) Pub Date : 2023-05-13 Qanita Tayyaba, Adnan Qayyum Butt, Abdul Rehman, Muhammad Shahzad, Urwa Shahid
ABSTRACT Magnesium alloys have received increasing consideration as biodegradable implants owing to their high specific strength, excellent biocompatibility and non-toxicity but their biomedical applications are limited due to low corrosion resistance which can be improved by surface modification and alloying with suitable elements. Various surface modifications of Mg alloys by deposition of different
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Microstructure and surface quality of SLM printed miniature helical gear in LSPwC Surf. Eng. (IF 2.8) Pub Date : 2023-05-11 Sunil Pathak, Marek Böhm, Jan Kaufman, Jaromír Kopeček, Sanin Zulić, Ondřej Stránský, Jan Brajer, Libor Beránek, Tomáš Mocek
ABSTRACT The present work describes the influence of underwater laser shock peening without coating (LSPwC) on selective laser melting manufactured meso-size (outside diameter ≤ 10 mm) helical gears. Five experiments were conducted using energies in the 200 mJ up to 1 J, while the spot size and overlap were kept constant as 1 mm and 90 %, respectively. Responses were measured and compared in terms
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Growth characteristics of scanning micro-arc oxidation coating on Ti6Al4V alloy Surf. Eng. (IF 2.8) Pub Date : 2023-05-10 Ye Wang, Jie Shen, Guolong Wu, Jianhua Yao
ABSTRACT In this study, the ceramic coating was prepared on Ti6Al4V alloy by scanning micro-arc oxidation (SMAO). The growth features of SMAO coating were investigated by combining the voltage and discharge variation. The result shows that a higher working voltage is obtained during SMAO treatment owing to additional resistance from the electrolyte column. As the SMAO goes on, the discharge region
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Parametric optimisation of plasma polishing process using response surface methodology Surf. Eng. (IF 2.8) Pub Date : 2023-05-05 Hari Narayan Singh Yadav, Manas Das
ABSTRACT The plasma polishing process is one of the non-conventional techniques used to remove material at the atomic level from the substrate. During the polishing of the fused silica substrate, the process parameters, namely radio-frequency (RF) power, pressure ratio (SF6/O2), and total pressure of the plasma chamber, are investigated and optimised for material removal rate (MRR) and % change in
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Laser shock peening: a promising tool for enhancing the aeroengine materials’ surface properties Surf. Eng. (IF 2.8) Pub Date : 2023-05-04 K. Praveenkumar, S. Sudhagara Rajan, S. Swaroop, Geetha Manivasagam
ABSTRACT Laser shock peening (LSP) is a unique and efficient surface modification technique that surface engineers have commonly adopted to tailor metallic materials’ surface and subsurface properties. The primary goal of this review paper is to highlight LSP as a surface modification technique for materials used in aeroengine, as this further ameliorates the commercialization of LSP in aeroengine
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Substrates and preparation layers under the wall paintings of the St George’s Cathedral (1119 CE) at Veliki Novgorod Surf. Eng. (IF 2.8) Pub Date : 2023-05-03 Alessandra R. G. Giumlia-Mair, Vladimir V. Sedov, Olga Etinhof
ABSTRACT The Cathedral of St. George is located in the Yuriev Monastery, in Novgorod, one of the capitals of ancient Rus (The Great Novgorod). The wall paintings were completed around 1120 CE. The Cathedral or its parts were renovated in different periods. The fragments of the twelfth-century frescoes were deposited under the new floor and in the area around the Cathedral. Archaeological excavations
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Effect of inorganic silicate sealing treatment on corrosion behaviour for HVAF sprayed Fe-based amorphous coatings Surf. Eng. (IF 2.8) Pub Date : 2023-04-30 Jinghui Ren, Tianrun Li, Suode Zhang, Min Xu, Jianqiang Wang
ABSTRACT Sealing treatment is an effective, environmentally friendly, and economical coating surface modification technology. To clarify the inorganic silicate sealing mechanism and concentration dependence on corrosion behaviour, HVAF-sprayed Fe-based amorphous metallic coatings (AMCs) were sealed by Na2SiO3 solution with various concentrations, and their microstructure, electrochemical performance