Effect of trace impurity elements on the wettability and interfacial reaction between DZ125 alloy and ceramic shell

被引：12
作者：
Li, Yi [1 ,2 ]
Tan, Yi [1 ,2 ]
Wang, Dinggang [3 ]
Li, Pengting [1 ,2 ]
Chen, Ziang [1 ,2 ]
Zhao, Jiaqi [1 ,2 ]
Qiang, Jianbing [2 ]
机构：
[1] Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
[2] Key Lab Energy Beam Met & Adv Mat Preparat Liaonin, Dalian 116024, Peoples R China
[3] Beijing Inst Aeronaut Mat, Beijing 100095, Peoples R China
来源：
CORROSION SCIENCE | 2023年 / 221卷
关键词：
Nickel-based superalloy; Impurity; Wettability; Interfacial reaction; Ceramic shell; SURFACE-TENSION; LIQUID-IRON; TEMPERATURE; SUPERALLOYS; HF;
D O I：
10.1016/j.corsci.2023.111370
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of impurity elements on the wettability and interfacial reaction between superalloy and ceramic shell were investigated by the sessile-drop method. The wetting angle decreases with the increase of impurity content and the decrease of holding temperature. In addition, the thickness of the interfacial reaction layer increases with the increase of impurity content and the decrease of holding temperature. The adsorption of interfacial active atoms such as O, N and S is the main driving force of the wettability diffusion, which can reduce the surface tension of the alloy melt and enhance the wettability of the solid-liquid interface.
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页数：13
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