采用纳米压痕法研究了Mg61Cu28Gd11和加入微量镉后(Mg61Cu28Gd11)99.5Cd0.5块体非晶合金的室温压痕蠕变行为, 并通过获得的蠕变位移、蠕变速率敏感指数和蠕变柔量分析了合金的蠕变机制。结果表明: 两种非晶合金都具有较低的室温蠕变敏感指数, 其室温蠕变机制主要为局部剪切流变, 特别是加入微量镉后非晶合金具有更高的硬度和弹性模量、更低的蠕变速率敏感指数和更小的蠕变柔量, 具有更好的抗蠕变性能和更低的应力松弛状态。
所属栏目
江苏省高等学校大学生实践创新训练计划资助项目(20090111216672)
收稿日期
2010/3/222010/12/4
作者单位
孙颖迪:南京航空航天大学材料科学与技术学院, 南京 211100
梁诸明:南京航空航天大学材料科学与技术学院, 南京 211100
李子全:南京航空航天大学材料科学与技术学院, 南京 211100
刘劲松:南京航空航天大学材料科学与技术学院, 南京 211100
周佳丽:南京航空航天大学材料科学与技术学院, 南京 211100
潘琦骏:南京航空航天大学材料科学与技术学院, 南京 211100
备注
孙颖迪(1983-), 女, 山东青岛人, 博士研究生。
引用该论文:
SUN Ying-di,LIANG Zhu-ming,LI Zi-quan,LIU Jin-song,ZHOU Jia-li,PAN Qi-jun.Room Temperature Nanoindentation Creep Behavior of Mg61Cu28Gd11 Bulk Amorphous Alloy After Adding Tiny Cadmium[J].Materials for mechancial engineering,2011,35(4):79～82
孙颖迪,梁诸明,李子全,刘劲松,周佳丽,潘琦骏.加入微量镉后Mg61Cu28Gd11块体非晶合金的室温纳米压痕蠕变行为[J].机械工程材料,2011,35(4):79～82
被引情况:
【1】
段文燕, "2GPa高压处理对铜铝合金显微组织和性能的影响",机械工程材料
37, 43-45(2013)
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