A novel liquid-liquid method for preparing bimetallic composites using liquid phase separation phenomenon

被引：5

作者：

Chen, W. ^{[1
]}

Hu, X. H. ^{[1
]}

Hu, Q. ^{[1
]}

Zou, J. ^{[1
,2
]}

Guo, W. ^{[1
]}

Lu, D. P. ^{[1
]}

机构：

[1] Jiangxi Acad Sci, Inst Appl Chem, 7777 Changdong Ave, Nanchang 330096, Peoples R China

[2] Chinese Acad Sci, Inst Rare Earths, 36 Gold Ave, Ganzhou 341000, Peoples R China

来源：

VACUUM | 2024年 / 219卷

关键词：

Bonding; Casting; Liquid phase separation; Bimetallic composites; Solidification microstructure; CASTING PROCESS; INTERFACE; FE; MICROSTRUCTURE; MECHANISM; BUBBLES; ALLOYS;

D O I：

10.1016/j.vacuum.2023.112765

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Fabrication of bimetallic composites by conventional solid-solid or solid-liquid approaches is usually complex and expensive. The present study develops a simple and economical liquid-liquid method by exploiting the liquid phase separation phenomenon and combining it with centrifugal casting. With this method, a Cu/Fe bimetallic composite tube was successfully prepared, which consists of an inner Fe-rich layer and an outer Cu-rich layer having a metallurgical bonding interface with a shear bond strength of 177 MPa. The mechanism underlying this method has been analyzed by clarifying the roles of Marangoni and centrifugal forces in the motion of Fe-rich droplets.

引用

页数：5

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