Distinct dendritic α phase emerging on the surface of primary α phase in a compressed near-α titanium alloy
查看参考文献32篇
文摘
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The characteristic of the surface morphology of primary α phase was studied in a deformed near-a titanium alloy. Dendritic α phase emerged on the surfaces of primary α phase when the alloy was air-cooled in α+β phase field after deformation. The dendritic a grain has the same orientation with its original primary α grain. The formation of the dendritic α phase could be explained by interface instability in epitaxial growth process of the primary α phase. The dislocations induced by deformation could facilitate the formation of dendritic α phase leading to the dendritic α phase and more obvious with the increase of strain. The growth of dendritic α phase was finally limited by the nucleation of second α phase with cooling. |
来源
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Journal of Materials Science & Technology
,2018,34(4):666-669 【核心库】
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DOI
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10.1016/j.jmst.2017.10.011
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关键词
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Epitaxial growth
;
Dendritic α phase
;
Microstructure
;
Interface instability
;
Hot deformation
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地址
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1.
Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016
2.
School of Materials Science and Engineering, University of Science and Technology of China, Hefei, 230000
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语种
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英文 |
文献类型
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研究性论文 |
ISSN
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1005-0302 |
学科
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金属学与金属工艺 |
文献收藏号
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CSCD:6219165
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