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Improving oxidation resistance of Ni-16Mo-7Cr-4Fe nickel-based superalloy by yttrium microalloying
Li, XL; He, SM; Zhou, XT; Li, ZJ; Zou, Y; Li, AG; Yu, XH; Li, XL (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 2019 Jialuo Rd, Shanghai 201800, Peoples R China.
2015
Source PublicationNUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
Volume26Issue:3Pages:
Subtype期刊文献
AbstractMicrostructure and oxidation behavior of modified Ni-16Mo-7Cr-4Fe alloys by yttrium microalloying were investigated by scanning electron microscopy, transmission electron microscopy, grazing incident Xray diffraction and synchrotron radiation X-ray fluorescence. M6C and Ni17Y2 phases were observed and the amount of Ni17Y2 increased with yttrium concentration. When the yttrium concentration increased to 0.43 wt.%, some Ni17Y2 chains and multi phase regions containing Ni17Y2, M6C and gamma phase appeared, which is harmful for the oxidation resistance. The alloy containing 0.05wt.% yttrium showed the best oxidation resistance, which derives its oxidation resistance from the adequate concentration of yttrium in the solid-solution (gamma phase), the formation of the protective layer of YCrO3 and chrornia oxide and the strengthening effect of yttrium on oxide boundaries.
Keywordb Alloy Ic6 Microstructure Additions Sulfur Generation Cerium
Language英语
WOS IDWOS:000358109700007
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24953
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorLi, XL (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 2019 Jialuo Rd, Shanghai 201800, Peoples R China.
Recommended Citation
GB/T 7714
Li, XL,He, SM,Zhou, XT,et al. Improving oxidation resistance of Ni-16Mo-7Cr-4Fe nickel-based superalloy by yttrium microalloying[J]. NUCLEAR SCIENCE AND TECHNIQUES,2015,26(3):—.
APA Li, XL.,He, SM.,Zhou, XT.,Li, ZJ.,Zou, Y.,...&Li, XL .(2015).Improving oxidation resistance of Ni-16Mo-7Cr-4Fe nickel-based superalloy by yttrium microalloying.NUCLEAR SCIENCE AND TECHNIQUES,26(3),—.
MLA Li, XL,et al."Improving oxidation resistance of Ni-16Mo-7Cr-4Fe nickel-based superalloy by yttrium microalloying".NUCLEAR SCIENCE AND TECHNIQUES 26.3(2015):—.
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