表层纳米化材料微压痕试验与数值模拟Numerical simulations and micro-indentation test of surface-nanocrystallization materials
吴波;谭建松;王建平;庞铭;胡定云;
摘要(Abstract)：
通过对表层纳米化铝材料的显微观察、压痕试验测量和有限元分析,从试验和理论分析两方面研究由高速喷丸法制备的表层纳米晶铝的力学行为。结合表层纳米晶铝的微结构特征,建立相应的微结构构元模型,采用基于机制的应变梯度理论对微压痕实验进行模拟,获得表层纳米化材料晶粒尺度效应和几何效应对材料微压痕硬度的影响。
关键词(KeyWords)： 表层纳米化;压痕试验;尺度效应;几何效应
基金项目(Foundation):
作者(Author): 吴波;谭建松;王建平;庞铭;胡定云;
Email:
DOI: 10.14024/j.cnki.1004-244x.2010.01.009
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