正火(淬火)温度及回火温度对ASTM A668 CL.E钢性能的影响  

Influence of Normalizing(Quenching) and Tempering Temperatures on the Properties of ASTM A668 CL. E Steel

作　　者：王维宁 

机构地区：[1]齐齐哈尔理工职业学院,黑龙江161042

出　　处：《大型铸锻件》2014年第4期11-12,共2页Heavy Casting and Forging

摘　　要：通过研究奥氏体化温度、冷却方式、回火温度对ASTM A668 CL.E钢强度、塑性及韧性的影响,确定最合理的热处理工艺为870℃奥氏体化后加速冷却+670℃回火。By researching on the influence of austenitizing temperature , cooling method and tempering temperature on the strength, plasticity and ductility of ASTM A668 CL.E steel, it is confirmed that the most reasonable heat treatment process is accelerated cooling after austenitizing at 870℃＋tempering at 670℃.

关 键 词：ASTM A668 CL E钢 回火温度 力学性能 

分 类 号：TG156[金属学及工艺—热处理]