Influence of pretreatment process on microstructure and properties of 65Mn steel after subcritical quenching
Quenching and normalizing is selected as the pretreatment process.Microstructure and mechanical properties of subcritical quenched 65Mn steel are investigated when different pretreatment is used.The experimental results show that the content and grain size of the martensite in the 65Mn steel after subcritical quenched are related with pretreatment process.The mechanical properties are determined by the pretreatment process.65Mn steel exhibits very fine martensite structure when pretreatment process is quenching.The tensile strength and hardness is 65 Mn steel with the pretreatment process of quenching are higher than that of normalizing.The mechanical properties of 65Mn steel can be improved by austenite inverse transformation subcritical quenching.
pretreatment process original structure subcritical quenching tensile strength hardness
Anming Li
School of Materials Science & Engineering.Henan Polytechnic University, Jiaozuo 454000, China
国际会议
石家庄
英文
55-58
2012-10-26（万方平台首次上网日期，不代表论文的发表时间）