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Effect of Heat Treatment Process on Hardness of High Speed Steel

Zhang Xi-peng, Yuan Wu, Kou Guo-jun

Abstract

The influence of different heat treatment process on structure and hardness of high speed steel(HSS) was tested by orthogonal experimental design. The results show that the hardness of HSS increases first and then decreases with the increase of the quenching temperature and tempering temperature, the high speed steel has a better structure and hardness when quenched at 1100℃ and tempered at 530℃.

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Available abstract

Key concepts: Tempering, High-speed steel, Materials science, Quenching (fluorescence), Metallurgy, Vickers hardness test, Composite material, Microstructure