中国铸造2008，Vol.5Issue(1)：28-31,4.
Effect of variable heat treatment modes on microstructures of Fe-Cr-B cast iron alloy
Effect of variable heat treatment modes on microstructures of Fe-Cr-B cast iron alloy
Guo Changqing 1Wang Caidong 1Liu Xiaoping 2P. M. Kelly3
作者信息
- 1. Inner Mongolia University of Science & Technology, Baotou 014010, Inner Mongolia, China
- 2. Inner Mongolia Vocational Colloge of Commerce, Hohhot 01001O, Inner Mongolia, China
- 3. Division of Materials, the University of Queensland, QLD 4072, Brisbane, Australia
- 折叠
摘要
Abstract
The effect of heat treatment mode on the microstructure of Fe-Cr-B east iron alloys was investigated in this paper by comparing the difference of precipitation pattems of secondary particles after thermal cycling treatment (TCT) with those after normal heat treatment (NHT). No obvious differences were found in precipitation pattems of secondary particles between TCT and NHT when experimental temperature was below ArI. However, when temperature was over Ar1, there were significant differences, with secondary particles prominently segregated at the grain boundaries under TCT, while the particles evenly distributed in the matrix under NHT. The mason for the microstructure differences could be associated with the development of non-equilibrium segregation of boron during TCT.关键词
heat treatment mode/ microstructures/ Fe-Cr-B cast irons/ non-equilibrium segregation of boronKey words
heat treatment mode/ microstructures/ Fe-Cr-B cast irons/ non-equilibrium segregation of boron分类
矿业与冶金引用本文复制引用
Guo Changqing,Wang Caidong,Liu Xiaoping,P. M. Kelly..Effect of variable heat treatment modes on microstructures of Fe-Cr-B cast iron alloy[J].中国铸造,2008,5(1):28-31,4.
