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Improvement of Austenitic Steel Tribological Properties by Deformational Cutting
Metallurgist ( IF 0.9 ) Pub Date : 2021-05-10 , DOI: 10.1007/s11015-021-01145-6
G. S. Sevalnev , D. V. Tsukanov , N. N. Zubkov , K. V. Dulnev , T. G. Sevalneva

A method is proposed for increasing the wear resistance of friction pairs by placing solid lubricants within the macro-relief prepared by deformational cutting. Austenitic steel 12Kh18N10T specimens are studied after deformational cutting: metallographic studies of the structure, hardness measurement, investigation of chemical composition through the volume of an edge by mapping energy­dispersive spectra. Tribological tests are conducted for specimens with introduction of macro-relief obtained by deformational cutting, fluoroplastic, and thermally expanded graphite. Results demonstrate the efficiency of using deformational cutting when creating friction pairs, both in terms of increased austenitic steel wear resistance due to the TRIP effect, and use of the macro-relief in terms of placing solid lubricant within a friction surface structure.



中文翻译:

变形切削改善奥氏体钢的摩擦学性能

提出了一种通过将固体润滑剂置于通过变形切削制备的宏观凸版中来增加摩擦副的耐磨性的方法。奥氏体钢12Kh18N10T试样在变形切割后进行了研究:组织金相研究,硬度测量,通过绘制能量色散谱图通过边缘体积研究化学成分。通过引入通过变形切割,氟塑料和热膨胀石墨获得的宏观浮雕,对样品进行了摩擦学测试。结果表明,在产生摩擦副时,使用变形切削是有效的,既可以通过TRIP效应提高奥氏体钢的耐磨性,又可以在将固体润滑剂置于摩擦表面结构中的同时使用宏观浮雕。

更新日期:2021-05-10
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