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Wettability and interfacial reactions of a low Hf-containing nickel-based superalloy on Al2O3-based, SiO2-based, ZrSiO4, and CoAl2O4 substrates
Wang, Haiwei; Yang, Jinxia; Meng, Jie; Yang, Yanhong; Zhou, Yizhou
2020-10-01
Source PublicationCERAMICS INTERNATIONAL
Volume46Issue:14Pages:22057-22066
AbstractTo understand the wetting behavior and interfacial phenomena between molten superalloys and ceramic materials, the wettability and interfacial reactions of a low Hf-containing Nickel-based superalloy on the Al2O3-based, SiO2-based, ZrSiO4, and CoAl2O4 substrates were studied using the sessile drop method at 1773 K. The wetting angles of the alloy on the Al2O3-based, SiO2-based, ZrSiO4, and CoAl2O4 substrates were 141.4 degrees, 143.5 degrees, 135.7 degrees, and 128.4 degrees, respectively. This indicated that the wettability of the alloy on the Al2O3-based substrate was comparable to that on the SiO2-based substrate, and the wettability of the CoAl2O4 system was the best among the four systems. The microstructure characteristics of the interface implied that Hf has a strong tendency to react with ceramic substrates, even at low contents. Additionally, the interfacial reactions transformed the Al2O3-based, SiO2-based, ZrSiO4, and CoAl2O4 ceramic substrates into (Al2O3 + HfO2), (Al2O3 + HfO2), (Al2O3 + HfO2 + ZrO2), and (Al2O3 + HfO2 + Co), respectively, which were in contact with the alloys. The experimental results demonstrated that the wettability of the system was governed by the properties of the reaction products.
DOI10.1016/j.ceramint.2020.05.212
WOS IDWOS:000558707400021
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82486
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Wang, Haiwei,Yang, Jinxia,Meng, Jie,et al. Wettability and interfacial reactions of a low Hf-containing nickel-based superalloy on Al2O3-based, SiO2-based, ZrSiO4, and CoAl2O4 substrates[J]. CERAMICS INTERNATIONAL,2020,46(14):22057-22066.
APA Wang, Haiwei,Yang, Jinxia,Meng, Jie,Yang, Yanhong,&Zhou, Yizhou.(2020).Wettability and interfacial reactions of a low Hf-containing nickel-based superalloy on Al2O3-based, SiO2-based, ZrSiO4, and CoAl2O4 substrates.CERAMICS INTERNATIONAL,46(14),22057-22066.
MLA Wang, Haiwei,et al."Wettability and interfacial reactions of a low Hf-containing nickel-based superalloy on Al2O3-based, SiO2-based, ZrSiO4, and CoAl2O4 substrates".CERAMICS INTERNATIONAL 46.14(2020):22057-22066.
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