A Novel Heat Treatment Process for Surface Hardening of Steel: Metal Melt Surface Hardening

Yong-sheng Fu,Wei Zhang,Xiaowei Xu,Jiehua Li,Jun Li,Mingxu Xia,Jianguo Li

Metallurgical and Materials Transactions A-physical Metallurgy and Materials Science（2017）

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摘要

A novel heat treatment process for surface hardening of steel has been demonstrated and named as “metal melt surface hardening (MMSH).” A surface layer with a thickness of about 400 μ m and a hardness of about 700 HV has been achieved by ejecting AISI 304 stainless steel melt at a temperature of about 1783 K (1510 °C) onto the 40Cr steel surface. This proposed MMSH provides a very promising application for surface hardening of steel.

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关键词

surface hardening,novel heat treatment process,heat treatment,steel,melt

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