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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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Zr55Al10Ni5Cu30块体金属玻璃的摩擦焊焊接
, PP. 620-624
Keywords: 块体金属玻璃,摩擦焊,Zr55Al10Ni5Cu30
Abstract:
采用摩擦焊对Zr55Al10Ni5Cu30块体金属玻璃进行了焊接,当焊机主轴转速为4.0×103---5.0×103r/min,摩擦压力为80---100MPa,摩擦时间为0.2---0.4s,顶锻压力和保压时间分别为200MPa和2s时,能够成功实施Zr55Al10Ni5Cu30金属玻璃的焊接.用SEM,XRD和TEM观察分析未检测到晶化相,焊缝处金属仍保持非晶状态.金属玻璃的塑性在玻璃转变点Tg附近随温度变化很大,在Tg以上具有良好的塑性变形能力,这是实施摩擦焊焊接的重要基础.
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