An Attempt to Prepare Metallic Glasses from Quasicrystals

被引：1
|
作者：
Li, Zi-Jing
Zhao, Lin-Ran
Wang, Yu-Ting
Chen, Ze-Ming
Tu, Wen-Kang
Zhang, Ya-Qi
Bo, Hong
Liu, Ying-Dan
Wang, Li-Min [1 ]
机构：
[1] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2016年 / 33卷 / 04期
基金：
中国国家自然科学基金;
关键词：
BULK AMORPHOUS-ALLOYS; CU-HF BINARY; FORMING ABILITY; ICOSAHEDRAL-PHASE; RANGE ORDER; SYSTEM; TI; ROLES; NI;
D O I：
10.1088/0256-307X/33/4/046401
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Icosahedrons in supercooled liquids and glasses are considered to be of significance for the glass formation in alloy systems. Starting from the similarity of the local structure of quasicrystals to the icosahedrons in metallic glasses, a scheme is put forward to prepare metallic glasses based on a well-known quasicrystal Zr40Ti40Ni20. A series of (Zr40Ti40Ni20)(100-x)Co-x. metallic glasses are fabricated, and the optimized glass forming composition is determined at (Zr40Ti40Ni20)(92)Co-8. The results show that the glass-forming ability of the alloys is closely related to the quasicrystalline phases. The mechanism of the enhanced glass-forming ability is discussed.
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页数：3
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