Change of M23C6 Particles Size and Spacing by Tempering a High-Chromium Creep Resistant Steel at 800-550 °C

被引：1
|
作者：
Vodopivec, Franc [1 ]
Kafexhiu, Fevzi [1 ]
Zuzek, Borut [1 ]
机构：
[1] Inst Met & Technol, Ljubljana, Slovenia
来源：
STEEL RESEARCH INTERNATIONAL | 2015年 / 86卷 / 03期
关键词：
high-chromium creep resistant steel; size distribution of M23C6 particles; intercept particles; dissolving velocity of particles; DISLOCATION CLIMB; HARD PARTICLES; EQUATIONS; KINETICS;
D O I：
10.1002/srin.201400013
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The change of the number of M23C6 particles intercepting mobile dislocations by creep of high-chromium creep resistant steel is deduced. With tempering at 800 degrees C, the number of intercept particles decreases slower than the total number of particles. The dissolution velocity of particles is greater by smaller particles. By tempering at 550 degrees C and higher, the dissolution of small particles increases the intercept particles spacing and the creep rate for about 1 order of magnitude stronger than the increase of average particles size.
引用
收藏
页码：278 / 283
页数：6
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