RATIONAL APPROXIMANTS TO THE DECAGONAL PHASE IN AL-MN-M (M=NI, CU, ZN) SYSTEMS

被引：15

作者：

SINGH, A

RANGANATHAN, S

机构：

[1] Centre for Advanced Study, Department of Metallurgy, Indian Institute of Science, Bangalore

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1994年 / 181卷 / pt 2期

关键词：

D O I：

10.1016/0921-5093(94)90732-3

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A series of alloys (Al60Mn11Ni4, Al76Mn15.5Cu8.5, Al65Mn15Cu20, Al24Mn5Zn and Al12Mn2.9Zn) have been prepared in as-cast and rapidly solidified conditions. The occurrence of icosahedral and decagonal quasi-crystalline phases as well as rational approximants to the decagonal phase has been established by electron microscopy. This comparative study highlights the similarities and differences among the closely related crystalline phases serving as rational approximants to the decagonal phase in the three systems Al-Mn-Ni, Al-Mn-Cu and Al-Mn-Zn. Structural features as well as the propensity for twinning of the crystals have been characterized.

引用

页码：754 / 757

页数：4

共 15 条

[1] QUASICRYSTAL WITH ONE-DIMENSIONAL TRANSLATIONAL SYMMETRY AND A TENFOLD ROTATION AXIS [J].