Enhanced wear resistance in Zr-based bulk metallic glasses by hydrogen

被引：11
|
作者：
Tao, Pingjun [1 ]
Yang, Yuanzheng [1 ]
Chen, Xin [2 ]
Gao, Jian [2 ]
Chen, Xianchao [1 ]
机构：
[1] Guangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Guangdong, Peoples R China
[2] Guangdong Univ Technol, Sch Electromech Engn, Guangzhou 510006, Guangdong, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2013年 / 38卷 / 21期
基金：
中国国家自然科学基金;
关键词：
Melt hydrogenation; Bulk metallic glass; Hydrogen; Micro-hardness; Wear resistance; RANGE ORDER; ABSORPTION; LIQUID; ALLOY;
D O I：
10.1016/j.ijhydene.2013.05.001
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Plate-like Zr60Ni25Al15 bulk metallic glasses (BMGs) were prepared under the gaseous mixture of hydrogen and argon. The effects of hydrogen on micro-hardness and wear resistance of the BMGs were researched. The results showed that BMGs fabricated under the gaseous mixture of hydrogen and argon exhibit higher micro-hardness and superior wear resistance, i.e., hydrogen addition can increase the wear resistance of bulk metallic glass dramatically. The enhanced wear resistance of the BMGs is attributed to the increment in micro-hardness and free volume introduced by the addition of hydrogen into the BMG matrix. The findings in present paper demonstrate that rapid solidification methods combining with hydrogenation could be an attractive means to improve the mechanical properties of bulk metallic gasses. Copyright (C) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：9052 / 9056
页数：5
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