Interfacial desulfurization reaction between binary Ni-Al/Ti/Ta alloy melt and CaO ceramic refractory

doi:10.1016/j.surfin.2023.103718

IMR OpenIR

	Interfacial desulfurization reaction between binary Ni-Al/Ti/Ta alloy melt and CaO ceramic refractory
	Lin, Chenyu 1,2; Sheng, Naicheng 1; Fan, Shigang 1; Sun, Shijie 1; Hou, Guichen 1; Li, Jinguo 1; Zhou, Yizhou 1; Sun, Xiaofeng 1
通讯作者	Sheng, Naicheng(ncsheng@imr.ac.cn) ; Zhou, Yizhou(yzzhou@imr.ac.cn)
	2024
发表期刊	SURFACES AND INTERFACES
ISSN	2468-0230
卷号	44 页码:8
摘要	Reducing the sulfur content to be lower than 1 ppm is widely acknowledged to be an effective way to improve the oxidation properties of superalloys. CaO refractories are usually used to reduce the sulfur content during smelting process. Since the compositions of superalloys are quite complex, the role of the reactive elements, such as Al, Ti and Ta, on the desulfurization process remains unclear. In this work, the interfacial reactions of binary Ni-5Al, Ni-5Ti, Ni-5Ta melts with the CaO refractory are investigated. The results show that desulfurization at the interface between the melt/refractory will occur in all the three binary alloy systems when smelting at 1500 degrees C. The interfacial reaction layer formed by the desulfurization reaction between CaO and Ni-Al is about 250 mu m, which is much larger than the tens of microns formed by the reaction between CaO and Ni-5Ti/Ni-5Ta. A model is established to describe the interfacial desulfurization reaction: xCaO(s) + y[S]Ni(l) + z[M]Ni(l) = yCaS(s) + Ca(x_y)MzOx(l/s). During the reaction process, CaS is found to be the desulfurization product, while Ca(x_y)MzOx is the transfer medium which connects the melt and CaO refractory, transferring the sulfur and Al/Ti/Ta in the melt so as to promote the desulfurization reaction.
关键词	Superalloy Desulfurization CaO ceramic refractory Interfacial reaction
资助者	National Key Research and Development Program of China ; Science Center for Gas Turbine Project ; National Natural Science Foundation of China ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; Special Research Assistant Program, Talents Pro-gram of Chinese Academy of Sciences
DOI	10.1016/j.surfin.2023.103718
收录类别	SCI
语种	英语
资助项目	National Key Research and Development Program of China[2022YFB3705000] ; National Key Research and Development Program of China[2017YFA0700704] ; Science Center for Gas Turbine Project[P2021-AB-IV-001-002] ; National Natural Science Foundation of China[52104352] ; National Postdoctoral Program for Innovative Talents[BX2021322] ; China Postdoctoral Science Foundation[2021M693231] ; China Postdoctoral Science Foundation[2021M703275] ; Special Research Assistant Program, Talents Pro-gram of Chinese Academy of Sciences
WOS研究方向	Chemistry ; Materials Science ; Physics
WOS类目	Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS记录号	WOS:001137050400001
出版者	ELSEVIER
引用统计	被引频次：1[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/183501
专题	中国科学院金属研究所
通讯作者	Sheng, Naicheng; Zhou, Yizhou
作者单位	1.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Lin, Chenyu,Sheng, Naicheng,Fan, Shigang,et al. Interfacial desulfurization reaction between binary Ni-Al/Ti/Ta alloy melt and CaO ceramic refractory[J]. SURFACES AND INTERFACES,2024,44:8.
APA	Lin, Chenyu.,Sheng, Naicheng.,Fan, Shigang.,Sun, Shijie.,Hou, Guichen.,...&Sun, Xiaofeng.(2024).Interfacial desulfurization reaction between binary Ni-Al/Ti/Ta alloy melt and CaO ceramic refractory.SURFACES AND INTERFACES,44,8.
MLA	Lin, Chenyu,et al."Interfacial desulfurization reaction between binary Ni-Al/Ti/Ta alloy melt and CaO ceramic refractory".SURFACES AND INTERFACES 44(2024):8.