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

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 ab...

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Bibliographic Details
Published in:Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2017-09, Vol.48 (9), p.3975-3979
Main Authors: Fu, Yong-sheng, Zhang, Wei, Xu, Xiaowei, Li, Jiehua, Li, Jun, Xia, Mingxu, Li, Jianguo
Format: Article
Language:English
Subjects:
Austenitic stainless steels
Characterization and Evaluation of Materials
Chemistry and Materials Science
Chromium steels
Communication
Ejection
Heat treating
Heat treatment
Materials Science
Metallic Materials
Metallurgy
Nanotechnology
Steel
Structural Materials
Surface hardening
Surface layers
Surfaces and Interfaces
Thickness
Thin Films
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Summary: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.
ISSN:1073-5623
1543-1940
DOI:10.1007/s11661-017-4175-x