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OALib Journal期刊
ISSN: 2333-9721
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Zr55Cu30Al10Ni5块体非晶合金在过冷液态区的流变行为及本构关系
, PP. 450-454
Keywords: 锆基合金,块体非晶合金,过冷液态区,压缩变形,本构关系
Abstract:
Zr55Cu30Al10Ni5块体非晶合金(BMG)在过冷液态区内的单向压缩实验表明材料在过冷液态区内的形变行为强烈依赖于温度和变形速率.随着应变速率的增加,材料的流变特征由Newtonian流变转变为非Newtonian流变.利用扩展指数本构方程模型建立了非晶合金的流变应力、应变速率和温度的关系.
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