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Electrochemical Dissolution Behaviors of Scrap Superalloys in Different Electrolytes
Wang, Long1,2; Wang, Shi-yang1,2; Song, Zeng-yi1,2; Sun, Yuan1,2; Zhou, Yi-zhou1,2; Pei, Xiao-yao1,2; Zhang, Hong-yu1,2
Corresponding AuthorWang, Shi-yang(sywang16b@imr.ac.cn)
2021-04-26
Source PublicationJOM
ISSN1047-4838
Pages9
AbstractOwing to the demand for strategic metals, the dissolution of scrap superalloys is imperative for their recycling. This study investigates the electrochemical dissolution process of superalloys in different electrolytes. The results indicate that the dissolution rate of the samples is significantly emulative in organic electrolyte at current densities greater than 0.7 A cm(-2). The dissolution behavior of the sample in aqua regia electrolyte can be classified as dissolution of the oxidation layer, formation of the anode product layer, and formation of the Cr-rich hindered-dissolution layer. While in organic electrolyte, the dissolution behavior can be partitioned as dissolution of the oxidation layer, formation of the porous Cr-rich hindered-dissolution layer, formation of dissolved pores, and detachment of the porous Cr-rich hindered-dissolution layer. Therefore, the formation of dissolved pores and detachment of the porous Cr-rich hindered-dissolution layer can effectively reduce the electrolytic resistance and the diffusion resistance in the electrolyte.
Funding OrganizationShenyang National Laboratory for Materials Science ; State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals ; Aviation power fund ; Special Research Assistant of the Chinese Academy of Sciences
DOI10.1007/s11837-021-04676-0
Indexed BySCI
Language英语
Funding ProjectShenyang National Laboratory for Materials Science ; State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals[18LHZD003] ; Aviation power fund[DLJJ825] ; Special Research Assistant of the Chinese Academy of Sciences[E055A101]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering ; Mineralogy ; Mining & Mineral Processing
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Mineralogy ; Mining & Mineral Processing
WOS IDWOS:000644333900007
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/161865
Collection中国科学院金属研究所
Corresponding AuthorWang, Shi-yang
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Joint Innovat Lab Green Comprehens Utilizat Super, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Wang, Long,Wang, Shi-yang,Song, Zeng-yi,et al. Electrochemical Dissolution Behaviors of Scrap Superalloys in Different Electrolytes[J]. JOM,2021:9.
APA Wang, Long.,Wang, Shi-yang.,Song, Zeng-yi.,Sun, Yuan.,Zhou, Yi-zhou.,...&Zhang, Hong-yu.(2021).Electrochemical Dissolution Behaviors of Scrap Superalloys in Different Electrolytes.JOM,9.
MLA Wang, Long,et al."Electrochemical Dissolution Behaviors of Scrap Superalloys in Different Electrolytes".JOM (2021):9.
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