Nucleation mechanism of a nickel-base superalloy during dynamic recrystallization
查看参考文献21篇
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文摘
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Hot 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. |
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来源
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Acta Metallurgica Sinica
,2011,24(4):295-300 【核心库】
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关键词
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Dynamic recrystallization
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Electron backscattering diffraction (EBSD)
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Transmission electron microscopy (TEM)
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Superalloy
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地址
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1.
Northeastern University, Key Laboratory for Anisotropy and Texture of Materials (MOE), Shenyang, 110819
2.
High Temperature Materials Research Institute, Central Iron and Steel Research Institute, Beijing, 100081
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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1006-7191 |
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学科
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冶金工业 |
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基金
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国家973计划
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国家自然科学基金
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文献收藏号
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CSCD:4333735
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