The paper presents the results of structural studies and assessment of the level of bending strength of an alloy based on nickel aluminide (VKNA-1V) obtained by spark plasma sintering of mechanically activated powders of the initial components at different sintering conditions. Sintering temperature was the main variable parameter (range: 1,100 to 1,250°C). It has been established that when the sintering temperature exceeds 1,200°C, the formation of a liquid phase occurs. X-ray diffraction analysis of the studied materials revealed Ni₃Al as the main phase. The recommended sintering conditions required to obtain a dense, low-defect billet made of VKNA-1V alloy include sintering at 1,150°C for 5 min under a pressure of 40 MPa. This type of material has an increased level of bending strength at room temperature (σ_bend = 1,640 MPa) and a microhardness equal to 650 HV.

本文介绍了基于铝化镍 (VKNA-1V) 的合金的结构研究和弯曲强度水平评估的结果，该合金是通过在不同烧结条件下对初始部件的机械活化粉末进行放电等离子烧结而获得的。烧结温度是主要可变参数（范围：1,100 至 1,250°C）。已经确定，当烧结温度超过1,200℃时，会形成液相。对所研究材料的X射线衍射分析显示Ni ₃ Al为主相。获得由 VKNA-1V 合金制成的致密、低缺陷坯料所需的推荐烧结条件包括在 40 MPa 压力下在 1,150°C 下烧结 5 分钟。这种类型的材料在室温下具有更高的弯曲强度（σ_弯曲= 1,640 MPa），显微硬度等于 650 HV。