Deformation and fracture behaviors of Ti-based metallic glass under multiaxial stress state

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	Deformation and fracture behaviors of Ti-based metallic glass under multiaxial stress state
	F. F. Wu; W. Zheng; S. D. Wu; Z. F. Zhang; J. Shen
	2012
发表期刊	Acta Materialia
ISSN	1359-6454
卷号	60 期号:5 页码:2073-2081
摘要	The deformation and fracture behaviors of a Ti-based metallic glass (MG) under a multiaxial stress state were investigated using a small punch test. It was found that controlling both the initiation and propagation of a shear crack can significantly stabilize the plastic deformation of Ti-based MG by forming multiple shear bands and delaying the shear crack from reaching the critical crack length. Radial, circumferential and spiral shear band patterns and corresponding fracture modes were observed. The relationship between the shear band pattern and the stress state was established. This finding implies that a MG could be stabilized and become ductile in nature under suitable stress conditions. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
部门归属	[wu, f. f.; zheng, w.; shen, j.] harbin inst technol, sch mat sci & engn, harbin 150001, peoples r china. [wu, f. f.] liaoning univ technol, sch mat sci & engn, jinzhou 121001, peoples r china. [wu, s. d.; zhang, z. f.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china.;shen, j (reprint author), harbin inst technol, sch mat sci & engn, harbin 150001, peoples r china.;junshen@hit.edu.cn
关键词	Metallic Glass Plastic Deformation Fracture Multiaxial Stress Small Punch Test Amorphous-alloys Shear Bands Mechanical-properties Plastic-deformation Melt Extraction Si-b Flow Nanoindentation Indentation
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/60342
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	F. F. Wu,W. Zheng,S. D. Wu,et al. Deformation and fracture behaviors of Ti-based metallic glass under multiaxial stress state[J]. Acta Materialia,2012,60(5):2073-2081.
APA	F. F. Wu,W. Zheng,S. D. Wu,Z. F. Zhang,&J. Shen.(2012).Deformation and fracture behaviors of Ti-based metallic glass under multiaxial stress state.Acta Materialia,60(5),2073-2081.
MLA	F. F. Wu,et al."Deformation and fracture behaviors of Ti-based metallic glass under multiaxial stress state".Acta Materialia 60.5(2012):2073-2081.