IMECH-IR  > 非线性力学国家重点实验室
In situ synchrotron high-energy X-ray diffraction study of microscopic deformation behavior of a hard-soft dual phase composite containing phase transforming matrix
Zhang JS; Hao SJ; Jiang DQ; Huan Y(郇勇); Cui LS; Liu YN; Yang H; Ren Y; Liu, YO (reprint author), Univ Western Australia, Sch Mech & Chem Engn, Crawley, WA 6009, Australia.
Source PublicationACTA MATERIALIA
2017-05-15
Volume130Pages:297-309
ISSN1359-6454
Abstract

This study explored a novel intermetallic composite design concept based on the principle of lattice strain matching enabled by the collective atomic load transfer. It investigated the hard-soft microscopic deformation behavior of a Ti3Sn/TiNi eutectic hard-soft dual phase composite by means of in situ synchrotron high-energy X-ray diffraction (HE-XRD) during compression. The composite provides a unique micromechanical system with distinctive deformation behaviors and mechanisms from the two components with the soft TiNi matrix deforming in full compliance via martensite variant reorientation and the hard Ti3Sn lamellae deforming predominantly by rigid body rotation producing a crystallographic texture for the TiNi matrix and a preferred alignment for the Ti3Sn lamellae. HE-XRD reveals continued martensite variant reorientation during plastic deformation well beyond the stress plateau of TiNi. The hard and brittle Ti3Sn is also found to produce an exceptionally large elastic strain of 1.95% in the composite. This is attributed to the effect of lattice strain matching between the transformation lattice distortion of the TiNi matrix and the elastic strain of Ti3Sn lamellae. With such unique micromechanic characteristics the composite exhibits high strength and large ductility. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

KeywordComposite Mechanical Behavior High-energy X-ray Diffraction Martensitic Transformation Tini
DOI10.1016/j.actamat.2017.03.052
Indexed BySCI ; EI
Language英语
WOS IDWOS:000401388700027
WOS KeywordINDUCED MARTENSITIC-TRANSFORMATION ; HIGH-STRENGTH ; MECHANICAL-PROPERTIES ; ENHANCED PLASTICITY ; MICROSTRUCTURAL EVOLUTION ; NEUTRON-DIFFRACTION ; ELASTIC STRAIN ; NB NANOWIRES ; ALLOYS ; ALUMINUM
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China (NSFC)(51601069 ; Australian Research Council(DP160105066 ; Natural Science Foundation of Jiangsu Province(BK20160514) ; US Department of Energy Office of Science(DE-AC02-06CH11357) ; US Department of Energy Office of Basic Energy Science(DE-AC02-06CH11357) ; US Department of Energy Office of Basic Energy Sciences(DE-AC02-06CH11357) ; 51231008 ; DP140103805) ; 11474362)
DepartmentLNM实验平台
Classification一类
Ranking4
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60552
Collection非线性力学国家重点实验室
Corresponding AuthorLiu, YO (reprint author), Univ Western Australia, Sch Mech & Chem Engn, Crawley, WA 6009, Australia.
Recommended Citation
GB/T 7714
Zhang JS,Hao SJ,Jiang DQ,et al. In situ synchrotron high-energy X-ray diffraction study of microscopic deformation behavior of a hard-soft dual phase composite containing phase transforming matrix[J]. ACTA MATERIALIA,2017,130:297-309.
APA Zhang JS.,Hao SJ.,Jiang DQ.,Huan Y.,Cui LS.,...&Liu, YO .(2017).In situ synchrotron high-energy X-ray diffraction study of microscopic deformation behavior of a hard-soft dual phase composite containing phase transforming matrix.ACTA MATERIALIA,130,297-309.
MLA Zhang JS,et al."In situ synchrotron high-energy X-ray diffraction study of microscopic deformation behavior of a hard-soft dual phase composite containing phase transforming matrix".ACTA MATERIALIA 130(2017):297-309.
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