Alternative TitleWetting Behavior and Interfacial Characteristics in the Molten Bi-Sn/High-Entropy Alloy System
马国峰1; 张鸿龄1; 孙俪娜1; 贺春林1; 张波2; 张海峰3
Source Publication稀有金属材料与工程
Other AbstractThe wetting behavior and the interracial characteristics of the molten Bi-Sn on the A1CoFeNiCr HEA (high entropy alloy) and the CuCoFeNiCr HEA substrate were investigated by a sessile drop method. Scanning electron microscopy (SEM) and energy dispersive X-ray spectrometry (EDS) were used to analyze the microstructure of the Bi-Sn/AICoFeNiCr HEA and Bi-Sn/CuCoFeNiCr HEA interface. The results show that the A1CoFeNiCr HEA and the CuCoFeNiCr HEA form with a single solid solution structure. However, Bi-Sn molten alloy on CuCoFeNiCr HEA substrate has better wetting characteristics than Bi-Sn molten alloy on A1CoFeNiCr HEA substrate. With increasing wetting temperature, a number of intermetallic compounds are generated at the interface between the molten Bi-Sn and the CuCoFeNiCr HEA substrate, and the diffusion of Sn atom along the Cu-rich solid-solution phase in CuCoFeNiCr HEA is much more intense. On the contrary, the interface of the Bi-Sn/AICoFeNiCr HEA system is still the straight interface, and there are new intermetallic compounds on the Bi-Sn/A1CoFeNiCr HEA interface with increasing wetting temperature. It is found that the Cu-rieh phase in CuCoFeNiCr HEA provides a "wetting channel" for the wetting process between the molten Bi-Sn and CuCoFeNiCr HEA substrate, which result in the two wetting systems with different wetting mechanisms.
Keyword高熵合金 Bi-Sn熔体 润湿 界面特征 润湿机制
Indexed ByCSCD
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Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
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GB/T 7714
马国峰,张鸿龄,孙俪娜,等. Bi-Sn熔体在高熵合金上的润湿行为及界面特征[J]. 稀有金属材料与工程,2018,47.0(008):2500-2505.
APA 马国峰,张鸿龄,孙俪娜,贺春林,张波,&张海峰.(2018).Bi-Sn熔体在高熵合金上的润湿行为及界面特征.稀有金属材料与工程,47.0(008),2500-2505.
MLA 马国峰,et al."Bi-Sn熔体在高熵合金上的润湿行为及界面特征".稀有金属材料与工程 47.0.008(2018):2500-2505.
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