2006•Rejiagong gongyiRequires access

Influence of Heat Treatment Process on Microstructure and Properties of Wear-resistant Low Alloy Steel

Rong Liu

Abstract

The influence of quenching and tempering temperature on mechanical properties and microstructure of a sort of low alloy steel was investigated.The results show that the microstructure is tempered martensite and retained austenite and some carbide after oil quenching at 890℃×1h and tempering at 250℃×2 h. HRC≥50, A KU ≥40J/cm 2 .The impact fracture is gliding fracture.

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Key concepts: Tempering, Microstructure, Materials science, Quenching (fluorescence), Metallurgy, Martensite, Alloy, Carbide