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Nucleation mechanism of a nickel-base superalloy during dynamic recrystallization
Alternative TitleNucleation mechanism of a nickel-base superalloy during dynamic recrystallization
Wang Shuai1; Wang Lei1; Liu Yang1; Xu Guohua2; Zhang Beijiang2; Zhao Guangpu2
2011
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Volume24Issue:4Pages:295-300
AbstractHot compression test was carried out at 1000 degrees C to investigate the dynamic recrystallization nucleation mechanism of a nickel-base superalloy. It was found that the bulging of original grain boundaries was inhibited by carbides and deformation twins at the boundaries. Recrystallized nuclei evolved from the subgrains of dislocation reconfiguration along original grain boundaries, and the growth of the potential nuclei was carried out by the coalescence of subgrains. The necklace structure of recrystallized grains along original grain boundaries was attributed to the strain gradient from grain boundary to grain interior.
Other AbstractHot compression test was carried out at 1000 ℃ to investigate the dynamic recrystallization nucleation mechanism of a nickel-base superalloy. It was found that the bulging of original grain boundaries was inhibited by carbides and deformation twins at the boundaries. Recrystallized nuclei evolved from the subgrains of dislocation reconfiguration along original grain boundaries, and the growth of the potential nuclei was carried out by the coalescence of subgrains. The necklace structure of recrystallized grains along original grain boundaries was attributed to the strain gradient from grain boundary to grain interior.
KeywordMICROSTRUCTURES ALLOY EVOLUTION BEHAVIOR GRAIN Dynamic recrystallization Electron backscattering diffraction (EBSD) Transmission electron microscopy (TEM) Superalloy
Indexed ByCSCD
Language英语
Funding Project[National Basic Research Program of China] ; [National Natural Science Foundation of China]
CSCD IDCSCD:4333735
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/143721
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.Cent Iron & Steel Res Institute, High Temp Mat Res Institute, Beijing 100081, Peoples R China
Recommended Citation
GB/T 7714
Wang Shuai,Wang Lei,Liu Yang,et al. Nucleation mechanism of a nickel-base superalloy during dynamic recrystallization[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2011,24(4):295-300.
APA Wang Shuai,Wang Lei,Liu Yang,Xu Guohua,Zhang Beijiang,&Zhao Guangpu.(2011).Nucleation mechanism of a nickel-base superalloy during dynamic recrystallization.ACTA METALLURGICA SINICA-ENGLISH LETTERS,24(4),295-300.
MLA Wang Shuai,et al."Nucleation mechanism of a nickel-base superalloy during dynamic recrystallization".ACTA METALLURGICA SINICA-ENGLISH LETTERS 24.4(2011):295-300.
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