Ti40Zr40Ni20块体铸态准晶的相变研究

稀有金属材料与工程, 2004, 33(9): 949-952.

Ti40Zr40Ni20块体铸态准晶的相变研究

羌建兵 ^1, , 王英敏 ^2, , 王德和 ^3, , 董闯 ^4,

1.大连理工大学,三束表面改性国家重点实验室,辽宁,大连,116024

2.大连理工大学,三束表面改性国家重点实验室,辽宁,大连,116024

3.大连理工大学,三束表面改性国家重点实验室,辽宁,大连,116024

4.大连理工大学,三束表面改性国家重点实验室,辽宁,大连,116024

基金项目: 国家自然科学基金国家自然科学基金(50271012)

关键词：相变 , 准晶 , Ti-Zr-Ni合金

On the Phase Transformation of Bulk as-Cast Ti40Zr40Ni20 Quasicrystal

用吸铸法制备出单相块体Ti40Zr40Ni20准晶.其准点阵参数为aR=0.523 nm.通过差示扫描量热法(DSC)和X射线衍射等手段研究了该铸态准晶合金在加热过程中的相变行为.结果表明,Ti40Zr40Ni20铸态准晶在964 K温度以下稳定;在964 K附近温度,准晶发生分解,形成由β-Zr(Ti)固溶体与C14相组成的两相混合组织;在1 107 K,该混合物发生熔化.

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材料期刊网

Ti40Zr40Ni20块体铸态准晶的相变研究

On the Phase Transformation of Bulk as-Cast Ti40Zr40Ni20 Quasicrystal

参考文献