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Effect of melt treatment on the microstructure and creep-rupture behavior of M963 cast nickel-base superalloy
Guan, HR; Yin, FS; Sun, XF; Hu, ZQ
Corresponding AuthorGuan, HR()
2004
Source PublicationDESIGNING, PROCESSING AND PROPERTIES OF ADVANCED ENGINEERING MATERIALS, PTS 1 AND 2
ISSN0255-5476
Volume449-4Pages:553-556
AbstractThe effect of melt treatment on the microstructure and creep-rupture behavior of M963 superalloy at 1248K under 225MPa has been investigated. The microstructure of the as-cast superalloy without melt treatment consists of gamma solid solution matrix, gamma' precipitate, coarse blocky MC carbide and (gamma+gamma') eutectic. The striking difference in microstructure is that the melt treatment changes the MC carbide from the coarse blocky morphology into the fine script-like morphology. After heat-treated at 1483K for 4h followed by air-cooling, both the creep life and rupture elongation of the melt-treated alloy are all doubled those of the alloy without melt treatment. The mechanism of the melt treatment on the creep-rupture behavior of the M963 superalloy is discussed.
Keywordsuperalloy creep melt treatment microstructure liquid structure
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Ceramics ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000189492000135
PublisherTRANS TECH PUBLICATIONS LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/118775
Collection中国科学院金属研究所
Corresponding AuthorGuan, HR
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Shandong Univ Technol, Coll Mech Engn, Zibo 255012, Peoples R China
Recommended Citation
GB/T 7714
Guan, HR,Yin, FS,Sun, XF,et al. Effect of melt treatment on the microstructure and creep-rupture behavior of M963 cast nickel-base superalloy[J]. DESIGNING, PROCESSING AND PROPERTIES OF ADVANCED ENGINEERING MATERIALS, PTS 1 AND 2,2004,449-4:553-556.
APA Guan, HR,Yin, FS,Sun, XF,&Hu, ZQ.(2004).Effect of melt treatment on the microstructure and creep-rupture behavior of M963 cast nickel-base superalloy.DESIGNING, PROCESSING AND PROPERTIES OF ADVANCED ENGINEERING MATERIALS, PTS 1 AND 2,449-4,553-556.
MLA Guan, HR,et al."Effect of melt treatment on the microstructure and creep-rupture behavior of M963 cast nickel-base superalloy".DESIGNING, PROCESSING AND PROPERTIES OF ADVANCED ENGINEERING MATERIALS, PTS 1 AND 2 449-4(2004):553-556.
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