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Superelasticity and Tunable Thermal Expansion across a Wide Temperature Range
Hao, YL; Wang, HL; Li, T; Cairney, JM; Ceguerra, AV; Wang, YD; Wang, Y; Wang, D; Obbard, EG; Li, SJ; Yang, R; Hao, YL (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.
2016-08-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume32Issue:8Pages:705-709
AbstractMaterials that undergo a reversible change of crystal structure through martensitic transformation (MT) possess unusual functionalities including shape memory, superelasticity, and low/negative thermal expansion. These properties have many advanced applications, such as actuators, sensors, and energy conversion, but are limited typically in a narrow temperature range of tens of Kelvin. Here we report that, by creating a nano-scale concentration modulation via phase separation, the MT can be rendered continuous by an in-situ elastic confinement mechanism. Through a model titanium alloy, we demonstrate that the elastically confined continuous MT has unprecedented properties, such as superelasticity from below 4.2 K to 500 K, fully tunable and stable thermal expansion, from positive, through zero, to negative, from below 4.2 K to 573 K, and high strength-to-modulus ratio across a wide temperature range. The elastic tuning on the MT, together with a significant extension of the crystal stability limit, provides new opportunities to explore advanced materials. Copyright (C) 2016, The editorial office of Journal of Materials Science & Technology. Published by Elsevier Limited.
description.department[hao, y. l. ; wang, h. l. ; li, s. j. ; yang, r.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china ; [li, t. ; cairney, j. m. ; ceguerra, a. v.] univ sydney, sch aerosp mech & mechatron engn, sydney, nsw 2006, australia ; [li, t. ; cairney, j. m. ; ceguerra, a. v.] 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. ; wang, d.] xi an jiao tong univ, state key lab mech behav mat, xian 710049, peoples r china ; [wang, y. ; wang, d.] 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
KeywordTi Alloy Superelasticity Thermal Expansion Behavior Temperature Characteristic
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Basic Research Program of China [2012CB933901, 2012CB619103, 2012CB619405, 2012CB619402, 2014CB644003]; National High Technical Program of China [2015AA033702]; National Natural Foundation of China [51271180, 51571190, 51527801, DMR-1410322]; National Natural Foundation of US [51271180, 51571190, 51527801, DMR-1410322]; U.S. Department of Energy, Office of Science, Office of Basic Energy Science [DE-AC02-06CH11357]; ARC; AMMRF; DOE under grain Office of Basic Energy Sciences [DE-SC0001258]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/76317
Collection中国科学院金属研究所
Corresponding AuthorHao, YL (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Hao, YL,Wang, HL,Li, T,et al. Superelasticity and Tunable Thermal Expansion across a Wide Temperature Range[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2016,32(8):705-709.
APA Hao, YL.,Wang, HL.,Li, T.,Cairney, JM.,Ceguerra, AV.,...&Hao, YL .(2016).Superelasticity and Tunable Thermal Expansion across a Wide Temperature Range.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,32(8),705-709.
MLA Hao, YL,et al."Superelasticity and Tunable Thermal Expansion across a Wide Temperature Range".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 32.8(2016):705-709.
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