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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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基于晶体塑性理论的晶界压痕行为研究
DOI: 10.11900/0412.1961.2014.00335, PP. 100-106
Keywords: 压痕,晶体塑性,单晶,双晶,晶界,有限元
Abstract:
为了研究晶界的压痕行为,采用晶体塑性理论对单晶和双晶的压痕行为进行了有限元模拟,得到了压痕表面和晶界位置处的应力分布.结果表明,相邻晶粒的晶体取向对压痕深度-载荷响应以及分解切应力分布均有较显著的影响.压载荷作用下,晶界位置处存在应力集中,且晶体取向差异越大,晶界应力越大.
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