预先Mn配分处理对Q&P钢中C配分及残余奥氏体的影响*
陈连生1(),张健杨1,田亚强1,宋进英1,徐勇1,2,张士宏2
EFFECT OF Mn PRE-PARTITIONING ON C PARTITIONING AND RETAINED AUSTENITE OF Q&P STEELS
Liansheng CHEN1(),Jianyang ZHANG1,Yaqiang TIAN1,Jinying SONG1,Yong XU1,2,Shihong ZHANG2

图1. 不同的热处理工艺路线图

Fig.1. Schematics of different heat treatments applied to experimental steels (Ac3—temperature of all ferrite transformed to austenite, Ac1—start temperature of pearlite transformed to austenite, Ms—initial temperature of martensite transformation, Mf—final temperature of martensite transformation)

(a) intercritical heating-quenching (IQ) (b) quenching-partitioning (Q&P) (c) intercritical heating-austenitizing-quenching-partitioning (I&Q&P)