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Stabilizing the body centered cubic crystal in titanium alloys by a nano-scale concentration modulation
Wang, H. L.; Shah, S. A. A.; Hao, Y. L.; Prima, F.; Li, T.; Cairney, J. M.; Wang, Y. D.; Wang, Y.; Obbard, E. G.; Li, S. J.; Yang, R.; Hao, YL (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2017-04-05
发表期刊JOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
卷号700页码:155-158
摘要It is well-known that the body centered cubic (bcc) crystal in titanium alloys reaches its stability limit as the electron-to-atom (ela) ratio of the alloy drops down to similar to 4.24. This critical value, however, is much higher than that of a multifunctional bcc type alloy (e/a = 4.15). Here we demonstrate that a nano-scale concentration modulation created by spinodal decomposition is what stabilizes the bcc crystal of the alloy. Aided by such a nano-scale concentration heterogeneity, unexpected properties from its chemically homogeneous counterpart are obtained. This provides a new strategy to design functional titanium alloys by tuning the spinodal decomposition. (C) 2017 Elsevier B.V. All rights reserved.; It is well-known that the body centered cubic (bcc) crystal in titanium alloys reaches its stability limit as the electron-to-atom (ela) ratio of the alloy drops down to similar to 4.24. This critical value, however, is much higher than that of a multifunctional bcc type alloy (e/a = 4.15). Here we demonstrate that a nano-scale concentration modulation created by spinodal decomposition is what stabilizes the bcc crystal of the alloy. Aided by such a nano-scale concentration heterogeneity, unexpected properties from its chemically homogeneous counterpart are obtained. This provides a new strategy to design functional titanium alloys by tuning the spinodal decomposition. (C) 2017 Elsevier B.V. All rights reserved.
部门归属[wang, h. l. ; shah, s. a. a. ; hao, y. l. ; li, s. j. ; yang, r.] chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china ; [prima, f.] psl res univ, chim paristech cns, inst rech chim paris, f-75005 paris, france ; [li, t. ; cairney, j. m.] univ sydney, sch aerosp mech & mechatron engn, sydney, nsw 2006, australia ; [li, t. ; cairney, j. m.] univ sydney, australian ctr microscopy & microanal, sydney, nsw 2006, australia ; [wang, y. d.] univ sci & technol beijing, state key lab adv met & mat, beijing 100083, peoples r china ; [wang, y.] xi an jiao tong univ, state key lab mech behav mat, xian 710049, peoples r china ; [wang, y.] xi an jiao tong univ, frontier inst sci & technol, xian 710049, peoples r china ; [wang, y.] ohio state univ, dept mat sci & engn, 116 w 19th ave, columbus, oh 43210 usa ; [obbard, e. g.] univ new south wales, dept elect engn & telecommun, sydney, nsw 2052, australia
关键词Titanium Alloys Composition Fluctuation Crystal Structure Synchrotron Radiation Shape Memory Elasticity
学科领域Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者MOST of China [2015AA033702, 2016YFC1102600]; NSF of China [51571190, 51271180, 51527801]; NSF of U.S. [DMR-1410322]; U.S. Department of Energy [DE-AC02-06CH11357]
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/321006/78191
专题中国科学院金属研究所
通讯作者Hao, YL (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Wang, H. L.,Shah, S. A. A.,Hao, Y. L.,et al. Stabilizing the body centered cubic crystal in titanium alloys by a nano-scale concentration modulation[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2017,700:155-158.
APA Wang, H. L..,Shah, S. A. A..,Hao, Y. L..,Prima, F..,Li, T..,...&Hao, YL .(2017).Stabilizing the body centered cubic crystal in titanium alloys by a nano-scale concentration modulation.JOURNAL OF ALLOYS AND COMPOUNDS,700,155-158.
MLA Wang, H. L.,et al."Stabilizing the body centered cubic crystal in titanium alloys by a nano-scale concentration modulation".JOURNAL OF ALLOYS AND COMPOUNDS 700(2017):155-158.
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