邵阳,陈刚,赵玉涛,张振亚,侯文胜

• 1:江苏大学材料科学与工程学院

摘要(Abstract)：

采用示差扫描量热仪(DSC)得到Mg60Cu30Y10块体非晶合金在不同加热速率下的DSC曲线。利用Losocka、Kissinger以及Doyle方法研究了Mg60Cu30Y10块体非晶合金的非等温晶化动力学。结果表明:Mg60Cu30Y10块体非晶合金具有良好的热稳定性。通过Kissinger方法计算得到的其玻璃转变激活能(Eg)、晶化激活能(Ex)以及晶化峰值激活能(Ep)分别为160.07 kJ/mol、136.11和145.19 kJ/mol。随着加热速率的提高,各特征温度值向高温端移动。局域晶化激活能随着复合材料晶化体积分数的增加先增大后减小。

关键词(KeyWords)： Mg60Cu30Y10块体非晶合金;晶化动力学;激活能

Abstract:

Keywords:

基金项目(Foundation): 江苏省高校自然科学重大项目(10KJA430008);; 江苏高校优势学科建设工程资助项目;; 江苏大学“拔尖人才工程”项目(2008)

作者(Author): 邵阳,陈刚,赵玉涛,张振亚,侯文胜

DOI: 10.13289/j.issn.1009-6264.2012.12.006

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