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Abstract:
推导出了金属纳米晶界的基本热力学函数,模拟计算了金属纳米晶界的吉布斯自由能随晶界过剩体积和温度的变化规律.以铜纳米晶材料为例,应用纳米晶热力学模型预测了纳米晶组织的热稳定性及纳米晶粒长大行为.将纳米晶界的热力学函数引入元胞自动机仿真算法,利用计算机模拟研究了金属纳米晶的变温晶粒长大过程.实验证实铜纳米晶粒长大的动力学特征符合纳米晶热力学模型的计算预测结果.
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稀有金属材料与工程
ISSN: 1002-185X
Year: 2010
Issue: 4
Volume: 39
Page: 603-607
0 . 7 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
JCR Journal Grade:4
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 15
Chinese Cited Count:
30 Days PV: 14
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