Wear Resistance of Steels with Surface Nanocrystalline Structure Generated by Mechanical-Pulse Treatment
作者: Hryhoriy NykyforchynVolodymyr KyrylivOlha Maksymiv
作者单位: 1Karpenko Physico-Mechanical Institute of NAS of Ukraine
刊名: Nanoscale Research Letters, 2017, Vol.12 (1), pp.1-5
来源数据库: Springer Journal
DOI: 10.1186/s11671-017-1917-z
关键词: Nanocrystalline structureWear resistanceFriction coefficientSurface layerMechanical pulse treatmentSurface alloyingCarbon steel
英文摘要: Abstract(#br)The influence of the surface mechanical-pulse treatment based on high-speed friction with a rapid cooling by the technological environment on the wear resistance of medium- and high-carbon steels was considered. The treatment due to a severe plastic deformation enabled obtaining the nanocrystalline structure with a grain size of 14–40 nm. A high positive effect of this treatment was obtained not only because of metal nanocrystallization but also thanks to other factors, namely, structural-phase transformations, carbon saturation of the surface due to decomposition of the coolant and the friction coefficient decrease. Higher carbon content leads to better strengthening of the surface, and its microhardness can reach 12 GPa.
全文获取路径: Springer  (合作)
影响因子:2.524 (2012)