汪洋,山本一树

• 1:黑龙江科技学院理学院
• 2:浙江理工大学理学院
• 3:日本奈良女子大学理学院

摘要(Abstract)：

利用急冷凝固的方法制备Al72.7Ni8.0Co19.3准晶,用X线衍射仪测定Al72.7Ni8.0Co19.3准晶的衍射强度。结果表明在Al72.7Ni8.0Co19.3的准周期面内H方向和K方向都出现了强衍射峰和弱衍射峰。Al72.7Ni8.0Co19.3准晶经过1003 K热处理后,衍射峰的半高宽随Q∥及Q⊥变化而变化,其准点阵平均常数a为6.103 nm,另外准晶在二维等直线图上分布五个方向的衍射强度,这与其理论计算近似晶体的结果相一致,说明了准晶结构向近似晶体结构转化。

关键词(KeyWords)： 准晶;Al-Ni-Co;X射线衍射

Abstract:

Keywords:

基金项目(Foundation): supported by JASSO in Japan and talent found by Heilongjiang institute of science and technology in China

作者(Author): 汪洋,山本一树

DOI: 10.13289/j.issn.1009-6264.2012.08.002

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