Shuffle-nanodomain regulated strain glass transition in Ti-24Nb-4Zr-8Sn alloy

doi:10.1016/j.actamat.2019.12.056

CORC > 金属研究所 > 中国科学院金属研究所

	Shuffle-nanodomain regulated strain glass transition in Ti-24Nb-4Zr-8Sn alloy
	Liang, Qianglong 2,3,4; Wang, Dong 2; Zheng, Yufeng 3,4,5; Zhao, Shuangshuang 2; Gao, Yipeng 4; Hao, Yulin 6; Yang, Rui 6; Banerjee, Dipankar 1; Fraser, Hamish L.3,4; Wang, Yunzhi 3,4
刊名	ACTA MATERIALIA
	2020-03-01
卷号	186 页码:415-424
关键词	Ti-alloys Superelasticity Martensitic transformation Nano-confinement in-situ transmission electron microscopy
ISSN号	1359-6454
DOI	10.1016/j.actamat.2019.12.056
通讯作者	Wang, Dong(wang_dong1223@xjtu.edu.cn) ; Zheng, Yufeng(yufengz@unr.edu) ; Wang, Yunzhi(wang.363@osu.edu)
英文摘要	The unprecedented properties of multi-functional metastable beta-Ti alloys, including superelasticity over a wide temperature range, ultra-low modulus, and Invar and Elinvar anomalies, have attracted a great deal of attention. Persistent research efforts have been made towards the understanding of the origins of these unique properties. In this article we report a novel shuffle-nanodomain regulated strain glass transition in a metastable beta-Ti alloy, Ti-24Nb-4Zr-8Sn (wt.%, Ti2448), which could be the dominant transformation pathway that offers these unique properties. Using the ex-situ aberration-corrected scanning transmission electron microscopy and in-situ cooling transmission electron microscopy, we find that randomly distributed {011}(0 (1) over bar1)(beta) O ' phase (orthorhombic, shuffle only) nanodomains embedded in the beta phase (BCC) matrix at room temperature transform to alpha '' phase (orthorhombic) with a continuous increase in the amount of {2 (1) over bar1}((11) over bar1)(beta) shear upon cooling or loading. Crystallographic analysis shows that the shuffle of the O ' phase will restrain the twelve possible shears that transform a BCC lattice to alpha '' martensite to only two. Thus, the randomly distributed O ' nanodomains prevent the formation of long-range-ordered, self-accommodating transformation-strain domain patterns seen in normal martensitic transformations and suppress completely the sharp first-order, auto-catalytic and avalanche-like martensitic transformation into a high-order-like (continuous) strain glass transition. Such a continuous beta -> O ' ->alpha '' strain glass transition has been confirmed by dynamic mechanical analysis, resistivity and differential scanning calorimetric measurement. This unique transition pathway allows us to offer new insights into the unique properties found in this alloy. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
资助项目	National Basic Research Program of China[2016YFB0701302] ; National Natural Science Foundation of China[51671156] ; National Natural Science Foundation of China[51501145] ; National Natural Science Foundation of China[51231008] ; National Natural Science Foundation of China[51621063] ; National Natural Science Foundation of China[IRT13034] ; China Scholarship Council[201706280328] ; US National Science Foundation DMREF program[DMR-1435483] ; Department of Chemical and Materials Engineering at University of Nevada, Reno ; Raja Rammana Fellowship
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000518698300037
资助机构	National Basic Research Program of China ; National Natural Science Foundation of China ; China Scholarship Council ; US National Science Foundation DMREF program ; Department of Chemical and Materials Engineering at University of Nevada, Reno ; Raja Rammana Fellowship
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/137971]
专题	金属研究所_中国科学院金属研究所
通讯作者	Wang, Dong; Zheng, Yufeng; Wang, Yunzhi
作者单位	1.Indian Inst Sci, Dept Mat Engn, Bengaluru 560012, Karnataka, India 2.Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Frontier Inst Sci & Technol, Ctr Microstruct Sci, Xian 710049, Shaanxi, Peoples R China 3.Ohio State Univ, CAMM, Dept Mat Sci & Engn, 2041 Coll Rd, Columbus, OH 43210 USA 4.Ohio State Univ, Dept Mat Sci & Engn, 116 W 19Th Ave, Columbus, OH 43210 USA 5.Univ Nevada, Dept Chem & Mat Engn, 1664N Virginia St, Reno, NV 89557 USA 6.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang, Liaoning, Peoples R China
推荐引用方式 GB/T 7714	Liang, Qianglong,Wang, Dong,Zheng, Yufeng,et al. Shuffle-nanodomain regulated strain glass transition in Ti-24Nb-4Zr-8Sn alloy[J]. ACTA MATERIALIA,2020,186:415-424.
APA	Liang, Qianglong.,Wang, Dong.,Zheng, Yufeng.,Zhao, Shuangshuang.,Gao, Yipeng.,...&Wang, Yunzhi.(2020).Shuffle-nanodomain regulated strain glass transition in Ti-24Nb-4Zr-8Sn alloy.ACTA MATERIALIA,186,415-424.
MLA	Liang, Qianglong,et al."Shuffle-nanodomain regulated strain glass transition in Ti-24Nb-4Zr-8Sn alloy".ACTA MATERIALIA 186(2020):415-424.