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Improving plasticity and work-hardening capability of beta-type bulk metallic glass composites by destabilizing beta phases
Zhang, Long; Zhu, Zhengwang; Fu, Huameng; Li, Hong; Zhang, Haifeng; Zhang, HF (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.
2017-03-24
发表期刊MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
卷号689页码:404-410
摘要Ti/Zr-based bulk metallic glass composites (BMGCs) containing an in-situ formed beta phase ((beta-type BMGCs) normally show a poor work-hardening capability or even work-softening during plastic deformation. The limited work-hardening capability of the beta phase by the entanglement of dislocations cannot totally compensate the shear softening of the glassy matrix. In this work, a strategy is proposed to destabilize the beta phase, and the BMGC containing a metastable beta phase (metastable beta-type BMGC) shows improved plasticity and work hardening capability due to the deformation-induced phase transformation from (beta-Ti to alpha"-Ti. The underlying principle for destabilizing beta phases in BMGCs by adjusting the overall compositions and the structural origins for the improved plasticity and work-hardening capability of metastable (beta-type BMGCs are discussed. These findings shed light on developing metastable beta-type BMGCs with excellent mechanical properties.; Ti/Zr-based bulk metallic glass composites (BMGCs) containing an in-situ formed beta phase ((beta-type BMGCs) normally show a poor work-hardening capability or even work-softening during plastic deformation. The limited work-hardening capability of the beta phase by the entanglement of dislocations cannot totally compensate the shear softening of the glassy matrix. In this work, a strategy is proposed to destabilize the beta phase, and the BMGC containing a metastable beta phase (metastable beta-type BMGC) shows improved plasticity and work hardening capability due to the deformation-induced phase transformation from (beta-Ti to alpha"-Ti. The underlying principle for destabilizing beta phases in BMGCs by adjusting the overall compositions and the structural origins for the improved plasticity and work-hardening capability of metastable (beta-type BMGCs are discussed. These findings shed light on developing metastable beta-type BMGCs with excellent mechanical properties.
部门归属[zhang, long ; zhu, zhengwang ; fu, huameng ; li, hong ; zhang, haifeng] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
关键词Bulk Metallic Glass Composite Work-hardening Structural Stability Martensitic Transformation
学科领域Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者National Natural Science Foundation of China [51434008 (U1435204), 51531005]; China's Manned Space Station Project [TGJZ800-2-RW024]; Science and Technology Planning Project of Guangdong Province, China [2015B090926001, 2015B010122001]; Innovative Talents Planning Project of Jiangsu Province, China
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/321006/78221
专题中国科学院金属研究所
通讯作者Zhang, HF (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Zhang, Long,Zhu, Zhengwang,Fu, Huameng,et al. Improving plasticity and work-hardening capability of beta-type bulk metallic glass composites by destabilizing beta phases[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2017,689:404-410.
APA Zhang, Long,Zhu, Zhengwang,Fu, Huameng,Li, Hong,Zhang, Haifeng,&Zhang, HF .(2017).Improving plasticity and work-hardening capability of beta-type bulk metallic glass composites by destabilizing beta phases.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,689,404-410.
MLA Zhang, Long,et al."Improving plasticity and work-hardening capability of beta-type bulk metallic glass composites by destabilizing beta phases".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 689(2017):404-410.
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