OALib Journal期刊
ISSN: 2333-9721
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si对am50力学性能和高温蠕变性能的影响
Keywords: 金属材料,am50,蠕变,显微组织,力学性能
Abstract:
?在基体合金am50中分别加入si和ca,研究了si和ca对am50--xsi合金的微观组织、力学性能及蠕变性能的影响.结果表明: 加入si后,合金高温蠕变性能随si量的增加而增加并超过了as41的水平; 在am50--$x$si中加入微量ca以后,合金中的mg$_{2}$si相得到细化,从汉字状转变成颗粒状,室温及150℃拉伸性能明显提高.
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