OALib Journal期刊
ISSN: 2333-9721
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Al2O3/Al合金复合材料的蠕变与回蠕变行为
, PP. 1223-1228
Keywords: Al2O3/Al复合材料,短纤维
Abstract:
研究了挤压铸造Al2O3短纤维(体积分数为15%)增强Al合金Al-Si12-Cu1-Mg1-Ni1复合材料的变载荷蠕变和回蠕变行为.结果表明,复合材料在主应力作用下蠕变当载荷突然降低后,表现为瞬态大应变量收缩以及随后的回蠕变.研究表明初始瞬态收缩完全是复合材料的弹性应变,有别于前人采用复合材料或纯金属、合金所得到的数倍于弹性应变结果.
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