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Novel elastic deformation mechanism in multifunctional Ti-Nb alloy
Zhu, Zhaowei; Wang, Yandong; Hao, Yulin; Liu, Jiapeng; Zhang, Qinghua; Li, Runguang; Wang, Haoliang; Ren, Yang; Wang, YD (reprint author), Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China.
2017
发表期刊MATERIALS LETTERS
ISSN0167-577X
卷号186页码:378-381
摘要In-situ high-energy X-ray diffraction was used to reveal a novel elastic deformation mechanism of the polycrystalline Ti-24Nb-4Zr-8Sn alloy under uniaxial compression. These experiments of polycrystal provide direct evidence on anomalous change in full widths at half maximum for {110}beta peak during elastic deformation, i.e. peak broadening during unloading and peak narrowing upon loading, which is attributed to the formation of stress-induced irreversible ? phase as clearly demonstrated in single crystal during compression. Difference in modulus between omega and beta phases induces different change in lattice strain causing the broadening and narrowing of diffraction peak near {110}(beta) where actually contains {1120}(omega) under different applied stress. This study offers new perspectives to investigate intrinsic mechanism on specific phase transformation during elastic deformation.; In-situ high-energy X-ray diffraction was used to reveal a novel elastic deformation mechanism of the polycrystalline Ti-24Nb-4Zr-8Sn alloy under uniaxial compression. These experiments of polycrystal provide direct evidence on anomalous change in full widths at half maximum for {110}beta peak during elastic deformation, i.e. peak broadening during unloading and peak narrowing upon loading, which is attributed to the formation of stress-induced irreversible ? phase as clearly demonstrated in single crystal during compression. Difference in modulus between omega and beta phases induces different change in lattice strain causing the broadening and narrowing of diffraction peak near {110}(beta) where actually contains {1120}(omega) under different applied stress. This study offers new perspectives to investigate intrinsic mechanism on specific phase transformation during elastic deformation.
部门归属[zhu, zhaowei ; wang, yandong ; li, runguang] univ sci & technol beijing, state key lab adv met & mat, beijing 100083, peoples r china ; [hao, yulin ; wang, haoliang] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china ; [liu, jiapeng ; zhang, qinghua] beijing inst technol, sch mat sci & engn, beijing 100081, peoples r china ; [ren, yang] argonne natl lab, xray sci div, 9700 s cass ave, argonne, il 60439 usa
关键词Titanium Alloys High-energy X-ray Diffraction Compression Test Elastic Behavior
学科领域Materials Science, Multidisciplinary ; Physics, Applied
资助者National Natural Science Foundation of China (NSFC) [51471032, 51527801]; National Basic Research Program of China (973 Program) [2012CB619405]; Fundamental Research Funds for the Centre Universities [06111020]; State Key Laboratory for Advanced Metals and Materials [2016Z-01, 2016Z-12, 2016Z-19]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78381
专题中国科学院金属研究所
通讯作者Wang, YD (reprint author), Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China.
推荐引用方式
GB/T 7714
Zhu, Zhaowei,Wang, Yandong,Hao, Yulin,et al. Novel elastic deformation mechanism in multifunctional Ti-Nb alloy[J]. MATERIALS LETTERS,2017,186:378-381.
APA Zhu, Zhaowei.,Wang, Yandong.,Hao, Yulin.,Liu, Jiapeng.,Zhang, Qinghua.,...&Wang, YD .(2017).Novel elastic deformation mechanism in multifunctional Ti-Nb alloy.MATERIALS LETTERS,186,378-381.
MLA Zhu, Zhaowei,et al."Novel elastic deformation mechanism in multifunctional Ti-Nb alloy".MATERIALS LETTERS 186(2017):378-381.
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