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On the stable icosahedral phase in AlCuLi alloy

 

作者: N. Yu,   R. Portier,   K. Yu-zhang,   J. Bigot,  

 

期刊: Philosophical Magazine Letters  (Taylor Available online 1988)
卷期: Volume 57, issue 1  

页码: 35-39

 

ISSN:0950-0839

 

年代: 1988

 

DOI:10.1080/09500838808227795

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

X-ray and electron diffraction patterns reveal significant differences between as-cast and as-quenched Al6CuLi3alloys. The broadening of the reflections and their displacements from the exact icosahedral positions are more pronounced in the as-cast alloy than in the as-quenched alloy which exhibits a ‘better’ icosahedral order. These results imply that the possible existence of the icosahedral phase as an equilibrium state is questionable.

 

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