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Zr-Al-(Ni-Cu)合金的非晶形成能力及热学性能

张婧 张涛

张婧, 张涛. Zr-Al-(Ni-Cu)合金的非晶形成能力及热学性能[J]. 北京航空航天大学学报, 2010, 36(10): 1213-1216.
引用本文: 张婧, 张涛. Zr-Al-(Ni-Cu)合金的非晶形成能力及热学性能[J]. 北京航空航天大学学报, 2010, 36(10): 1213-1216.
Zhang Jing, Zhang Tao. Glass forming ability and thermal stability of Zr-Al-(Ni-Cu) alloys[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(10): 1213-1216. (in Chinese)
Citation: Zhang Jing, Zhang Tao. Glass forming ability and thermal stability of Zr-Al-(Ni-Cu) alloys[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(10): 1213-1216. (in Chinese)

Zr-Al-(Ni-Cu)合金的非晶形成能力及热学性能

基金项目: 国家自然科学基金资助项目(50771006);国家自然科学基金重点资助项目(50631010)
详细信息
  • 中图分类号: TG 139

Glass forming ability and thermal stability of Zr-Al-(Ni-Cu) alloys

  • 摘要: 采用喷射铜模铸造法研究了Ni和Cu含量对Zr-Al-(Ni-Cu)四元合金的非晶形成能力的影响.利用X射线衍射仪分析了铸态合金的相结构,利用差示扫描量热仪研究了非晶合金的热学性能.结果表明:Zr-Al-(Ni-Cu)四元合金的非晶形成能力远大于Zr-Al-Ni和Zr-Al-Cu三元合金的非晶形成能力.Zr65Al7.5Ni10Cu17.5合金显示最高的非晶形成能力,其非晶形成临界直径可以达到7mm.相似元素Ni和Cu在一定比例下共存,使液态合金的熵值增加,自由能降低,从而有效提高了合金的非晶形成能力.

     

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出版历程
  • 收稿日期:  2009-04-26
  • 网络出版日期:  2010-10-31

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