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Effect of Heat Treatment on Microstructure and Stress Rupture Properties of a Ni-Mo-Cr-Fe Base Corrosion-Resistant Superalloy
Liu, Tao1; Yang, Mei1; Wang, Jun-Song2; Dong, Jia-Sheng3; Wang, Li3; Lou, Lang-Hong3
Corresponding AuthorDong, Jia-Sheng(djs@imr.ac.cn) ; Wang, Li(wangli@imr.ac.cn)
2019
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Volume32Issue:1Pages:116-126
AbstractThe influences of heat treatment and test condition on the microstructure and stress rupture properties of a Ni-Mo-Cr-Fe base corrosion-resistant superalloy have been investigated in this paper. Optical microscope and scanning electron microscope were employed for the microstructure observation, and X-ray diffraction, electron probe micro-analyzer, and transmission electron microscope were used for phase determination. It was found that the grain size increased and the volume fractions of initial M6C carbides decreased along with the increase in solution treatment temperature. When tested at 650 degrees C/320MPa, the stress rupture lives decreased with the increase in solution treatment temperature, but the stress rupture lives increased slightly at first and then decreased for the samples solution heat treated at 1220 degrees C when tested at 700 degrees C/240MPa. The elongations showed the descendent trends under these two conditions. The stress rupture life and elongation for the aged samples all showed a noticeable improvement at 650 degrees C/320MPa, but there was no noticeable improvement at 700 degrees C/240MPa. The reasons can be attributed to the grain size, test conditions, and the initial and secondary carbides.
KeywordCorrosion-resistant superalloy Heat treatment Stress rupture properties Secondary carbides
Funding OrganizationNational Natural Science Foundation of China ; Strategic Priority Research Program'' of the Chinese Academy of Sciences
DOI10.1007/s40195-018-0837-y
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51601078] ; Strategic Priority Research Program'' of the Chinese Academy of Sciences[XDA020404040]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000455515500012
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/131208
Collection中国科学院金属研究所
Corresponding AuthorDong, Jia-Sheng; Wang, Li
Affiliation1.Jiangsu Univ Technol, Changzhou 213001, Peoples R China
2.Harbin Engn Univ, Harbin 150001, Heilongjiang, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Liu, Tao,Yang, Mei,Wang, Jun-Song,et al. Effect of Heat Treatment on Microstructure and Stress Rupture Properties of a Ni-Mo-Cr-Fe Base Corrosion-Resistant Superalloy[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2019,32(1):116-126.
APA Liu, Tao,Yang, Mei,Wang, Jun-Song,Dong, Jia-Sheng,Wang, Li,&Lou, Lang-Hong.(2019).Effect of Heat Treatment on Microstructure and Stress Rupture Properties of a Ni-Mo-Cr-Fe Base Corrosion-Resistant Superalloy.ACTA METALLURGICA SINICA-ENGLISH LETTERS,32(1),116-126.
MLA Liu, Tao,et al."Effect of Heat Treatment on Microstructure and Stress Rupture Properties of a Ni-Mo-Cr-Fe Base Corrosion-Resistant Superalloy".ACTA METALLURGICA SINICA-ENGLISH LETTERS 32.1(2019):116-126.
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