Effect of yttrium and oxygen combination on the microstructure of Zr-Cu-Ni-Al metallic glass

被引：0
|
作者：
Hu, Liwei [1 ,2 ,3 ]
Tian, Deli [1 ,2 ]
Zhao, Ling [1 ]
Qi, Li [2 ]
Liu, Xue [1 ]
机构：
[1] China Acad Engn Phys, Inst Mat, Mianyang 621908, Peoples R China
[2] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Peoples R China
[3] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
来源：
VACUUM | 2024年 / 230卷
基金：
中国国家自然科学基金;
关键词：
Zr-based MG composite coating; Yttrium-doping; Glass forming ability; Microstructure; FORMING ABILITY; ALLOYS;
D O I：
10.1016/j.vacuum.2024.113666
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The traditional wisdom seems to suggest that yttrium can be added with oxygen to form inert oxides to prevent oxygen contamination during the MGs fabricated process. Here, the effects of yttrium-doped on the microstructure evolution of the Zr-based MG composite coatings were systematically investigated by laser melting deposition technology. We firstly reported that the yttrium oxides were not completely in an inert state, but as the heterogeneous nucleation core with epitaxial growth of the CuZr intermetallic compound with simple cubic structure, under the influence of sufficient heat input and a low cooling rates, while would be inhibited with insufficient thermal input and high cooling rates.
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页数：7
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