热处理工艺对低合金耐磨钢组织和性能的影响  

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

作　　者：刘荣[1] 孙玉福[1] 沙成斌[1] 崔金鹤[1] 张炎[1] 

机构地区：[1]郑州大学材料科学与工程学院,河南郑州450002

出　　处：《热加工工艺》2006年第14期53-55,共3页Hot Working Technology

摘　　要：研究了淬火和回火温度对低合金钢组织和力学性能的影响。结果表明:890℃保温1h后油淬,250℃×2h回火后,组织为回火马氏体+残奥+少量碳化物。洛氏硬度大于50HRC,冲击韧度大于40J/cm2,且冲击试样断口为韧性断口。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℃×1 h and tempering at 250℃×12 h. HRC ≥50, A KU≥40J/cm^2.The impact fracture is gliding fracture.

关 键 词：低合金钢 热处理 耐磨钢 

分 类 号：TG162.8[金属学及工艺—热处理]