Formation of amorphous phase in melt-spun and injection-cast Cu60Zr30Ti10 alloys

被引：24
|
作者：
Park, ES
Chang, HJ
Kim, DH
Kim, WT
Kim, YC
Kim, NJ
Kim, YW
机构：
[1] Yonsei Univ, Dept Mat Sci & Engn, Ctr Noncrystalline Mat, Seoul 120749, South Korea
[2] Chongju Univ, Div Appl Sci, Chonju 360764, South Korea
[3] Pohang Univ Sci & Technol, Ctr Adv Aerosp Mat, Pohang 790784, South Korea
[4] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151742, South Korea
来源：
SCRIPTA MATERIALIA | 2004年 / 51卷 / 03期
关键词：
Cu60Zr30.Ti10; alloy; melt-spun ribbon; amorphous phase; cooling rate; nanocrystallization;
D O I：
10.1016/j.scriptamat.2004.04.012
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In the present study microstructures of the Cu60Zr30Ti10 alloy prepared by two different methods, melt spinning and injection casting has been studied by XRD, HRND, SANS, HRTEM and DSC techniques. The results show that the as-melt-spun Cu60Zr30Ti10 alloy consists of a fully amorphous structure, and slower cooling rate results in the formation of nanocrystals in the amorphous matrix. The maximum diameter of the rod with a glassy structure is 2 mm. The injection-cast 3 mm diameter rod consists of 10-15 nm size crystals embedded in the amorphous matrix. (C) 2004 Published by Elsevier Ltd. on behalf of Acta Materialia Inc.
引用
收藏
页码：221 / 224
页数：4
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