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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