一种低密度钢等温压缩时组织的演化和动态再结晶

孙建, 李景辉, 黄贞益, 章小峰, 王东生, 刘述庆

Microstructure Evolution and Dynamic Recrystallization of a Low Density Steel during Isothermal Compression

SUN Jian, LI Jinghui, HUANG Zhenyi, ZHANG Xiaofeng, WANG Dongsheng, LIU Shuqing

表4 不同应变速率和变形温度下的lnZ值

Table 4 lnZ values under different strain rates and deformation temperatures

ε˙ / s-1 lnZ 850oC 900oC 950oC 1000oC 1050oC 1100oC 0.01 38.2 36.4 34.7 33.2 31.8 30.4 0.1 40.5 38.7 37.0 35.5 34.1 32.7 1 42.8 41.0 39.3 37.8 36.4 35.0 10 45.1 43.3 41.6 40.1 38.7 37.3