2015•Rejiagong gongyiRequires access

Influence of Heat Treatment Conditions on Microstructures and Mechanical Properties of Die Steel

Gao Maota

Abstract

Taking die steel as the object, the influence of quenching and tempering temperatures on the microstructures,hardness and wear resistance of test steel was analyzed. The results show that, when increasing quenching temperatures, the hardness of test steel increase with the largest hardness when quenched at 1 100 ℃. By rising tempering temperatures, the hardness of the steel increase, when tempered at 560 ℃, the steel has the maximum hardness and wear resistance. The best heat treatment condition is: 1 100 ℃ quenching in oil and followed by 560 ℃ tempering of 2 h.

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Key concepts: Tempering, Quenching (fluorescence), Materials science, Metallurgy, Microstructure, Wear resistance, Vickers hardness test, Die (integrated circuit)