黎业生,吴子平,董定乾,刘柏雄

• 1:江西理工大学材料与化学工程学院
• 2:江西理工大学材料与化学工程学院
• 3:江西理工大学材料与化学工程学院
• 4:江西理工大学材料与化学工程学院 江西赣州341000

摘要(Abstract)：

采用水淬法制备出厚度为2mm的片状Mg65Cu25Y10非晶态合金,衡量其非晶成形能力的参数过冷液态区域宽度ΔTx(ΔTx=58.3K)、约化玻璃转变温度Trg(Trg=0.56)均较高,表明此合金具有很强的非晶形成能力;并测出了它的硬度为263.2HV。通过恒速升温和等温晶化试验,采用差热分析、X射线衍射等研究了它的热行为,结果表明,此合金在433K以下还是稳定的,如进一步升高温度,材料将由非晶态结构逐步向晶态结构转变,当退火温度达到623K时,则完全转变为晶态结构。

关键词(KeyWords)： 非晶态合金;非晶成形能力;水淬法;晶化;镁基合金

Abstract:

Keywords:

基金项目(Foundation): 江西省教育厅科技攻关项目(赣财教(2004)18号)

作者(Author): 黎业生,吴子平,董定乾,刘柏雄

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