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Author:

宋晓艳 (宋晓艳.) (Scholars:宋晓艳) | R.Markus (R.Markus.) | 张久兴 (张久兴.)

Indexed by:

CQVIP PKU CSCD

Abstract:

采用仿真和实验相结合的方法,系统研究了含有两尺寸组粒子分布的多相材料的再结晶过程.建立了可描述大粒子激发形核和小粒子钉扎作用的Monte-Carlo仿真模型.利用仿真定量研究了两种粒子各种参数对形核和再结晶晶粒长大过程的影响,表明粒子激发形核效率依赖于大粒子影响区的储存能和局部小粒子的分布状态;基体平均储存能和大粒子高应变区储存能作为驱动力和小粒子钉扎阻力的竞争,决定整体材料发生完全再结晶、部分再结晶或再结晶被完全抑制.将Al-(0.3-1.1)%Zr(质量分数)系列合金的实验结果与相同形变和粒子参数条件下的仿真结果进行了比较,再结晶组织形貌和再结晶动力学的仿真计算和实验观测符合良好.

Keyword:

晶粒长大 Al-Zr合金 再结晶 Monte-Carlo仿真

Author Community:

  • [ 1 ] [宋晓艳]北京工业大学
  • [ 2 ] [R.Markus]Materials Science Institute,Darmstadt University of Technology,Germany,Darmstadt 64287
  • [ 3 ] [张久兴]北京工业大学

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Source :

金属学报

ISSN: 0412-1961

Year: 2004

Issue: 10

Volume: 40

Page: 1009-1017

2 . 3 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 13

Chinese Cited Count:

30 Days PV: 4

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