2010•Physics Examination and TestingRequires access

Effect of Heat Treatment Process on Microstructure and Hardness of 1Cr4Ni3CuAlSi Steel

Sun Xiu-hua

Abstract

This paper studied effect of different quenching and tempering temperature on microstructure and hardness of a new type aging hardening plastic die steel 1Cr4Ni3CuAlSi.The experimental results show that it is reasonable that the steel were quenched at 850~890℃.Hardness of the steel can be improved remarkly when aging tempering at 510~550℃ because NiAl phase can be precipitated after tempering aging tereatment.

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Key concepts: Tempering, Materials science, Metallurgy, Microstructure, Hardening (computing), Quenching (fluorescence), Nial, Martensite