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  • 标题:Research Progress of the Effects of Trace S Element on the Microstructure of Cast Nickel-base Superalloys
  • 本地全文:下载
  • 作者:Chenguang Liu ; Huan Xu ; Hui Zhang
  • 期刊名称:E3S Web of Conferences
  • 印刷版ISSN:2267-1242
  • 电子版ISSN:2267-1242
  • 出版年度:2021
  • 卷号:299
  • 页码:1-8
  • DOI:10.1051/e3sconf/202129902004
  • 语种:English
  • 出版社:EDP Sciences
  • 摘要:In the process of alloy melting and vacuum pouring, the impurity S element will inevitably be introduced into the nickel-base superalloys, which will cause adverse effects on the microstructure and properties of the cast nickel-base superalloys. In this paper, the research progress of S element in cast nickel-base superalloys is summarized. The effects of S element on the microstructure are described in detail from experimental researches and first-principles. The reasons for the grain boundary embrittlement caused by S atom are discussed, and the authors wish to provide some references for the better development of cast nickel-base superalloys.
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