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Developing beta-type bulk metallic glass composites from Ti/Zr-based bulk metallic glasses by an iteration method
Zhang, L; Fu, HM; Li, H; Zhu, ZW; Zhang, HW; Li, WR; Li, YD; Zhang, HF; Zhang, HF (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
2018-04-05
发表期刊JOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
卷号740页码:639-646
摘要Bulk metallic glass composites containing in-situ formed beta-Ti/Zr phases (beta-type BMGCs), which exhibit a good combination of strength and plasticity, were generally developed by adding beta-stabilizers, such as Nb, Ta, V, etc., into Ti/Zr-based bulk metallic glasses (BMGs). In this work, an iteration method is proposed to develop beta-type BMGCs from Ti/Zr-based BMGs, and the compositions of BMGCs can be designed by "the composition of in-situ formed beta phase (the iterative variable) + the composition of BMG". Due to the fast elemental diffusions between the beta phase and the (supercooled) liquid phase, the iteration method can develop beta-type BMGCs in which both phases can maintain a mutual (metastable) equilibrium during solidification. The procedures of the iteration method and its underlying thermodynamic and kinetic principles are discussed, and a Zr56.9Ti18.8Cu7.4Ni5.7Be11.3 BMGC was developed from Vitreloy 1 by using the iterative method. As compared with beta-type BMGCs developed by the conventional method, beta-type BMGCs developed by the iteration method have two advantages: (i) the good glassforming ability of the initial BMGs can be largely inherited by the glassy matrices in BMGCs; (ii) without adding beta-stabilizers, the in-situ formed beta phases are more likely to be metastable. The current iteration method is of scientific significance on improving plasticity of Ti/Zr-based BMGs and developing new beta-type BMGCs. (C) 2018 Elsevier B.V. All rights reserved.; Bulk metallic glass composites containing in-situ formed beta-Ti/Zr phases (beta-type BMGCs), which exhibit a good combination of strength and plasticity, were generally developed by adding beta-stabilizers, such as Nb, Ta, V, etc., into Ti/Zr-based bulk metallic glasses (BMGs). In this work, an iteration method is proposed to develop beta-type BMGCs from Ti/Zr-based BMGs, and the compositions of BMGCs can be designed by "the composition of in-situ formed beta phase (the iterative variable) + the composition of BMG". Due to the fast elemental diffusions between the beta phase and the (supercooled) liquid phase, the iteration method can develop beta-type BMGCs in which both phases can maintain a mutual (metastable) equilibrium during solidification. The procedures of the iteration method and its underlying thermodynamic and kinetic principles are discussed, and a Zr56.9Ti18.8Cu7.4Ni5.7Be11.3 BMGC was developed from Vitreloy 1 by using the iterative method. As compared with beta-type BMGCs developed by the conventional method, beta-type BMGCs developed by the iteration method have two advantages: (i) the good glassforming ability of the initial BMGs can be largely inherited by the glassy matrices in BMGCs; (ii) without adding beta-stabilizers, the in-situ formed beta phases are more likely to be metastable. The current iteration method is of scientific significance on improving plasticity of Ti/Zr-based BMGs and developing new beta-type BMGCs. (C) 2018 Elsevier B.V. All rights reserved.
部门归属[zhang, long ; fu, huameng ; li, hong ; zhu, zhengwang ; zhang, hongwei ; zhang, haifeng] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [li, weirong ; li, yangde] dongguan eontec co ltd, dongguan 523662, guangdong, peoples r china ; [zhang, hongwei] liaoning jinyan liquid met technol co ltd, shenyang 110100, liaoning, peoples r china
关键词Situ Neutron-diffraction Matrix Composites Mechanical-properties Phase-transformation Tensile Properties Ti Plasticity Ductility Crystallization Microstructure
学科领域Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者National Natural Science Foundation of China [51434008, 51790484, 51701213, U1738101]; China's Manned Space Station Project [TGJZ800-2-RW024]; CAS Key Project "Research & Development of Nuclear Materials and Service Safety Assurance Technology [ZDRW-CN-2017-1]; Shenyang Key R & D and Technology Transfer Program [Z17-7-001]; Theme Special Project of Shenyang Key Science and Technology Research and Development Programs [17-85-0-00]; Science and Technology Planning Project of Guangdong Province, China [2015B090926001]; Dongguan Innovative Research Team Program [2014607134]
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/321006/79375
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, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
GB/T 7714
Zhang, L,Fu, HM,Li, H,et al. Developing beta-type bulk metallic glass composites from Ti/Zr-based bulk metallic glasses by an iteration method[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2018,740:639-646.
APA Zhang, L.,Fu, HM.,Li, H.,Zhu, ZW.,Zhang, HW.,...&Zhang, HF .(2018).Developing beta-type bulk metallic glass composites from Ti/Zr-based bulk metallic glasses by an iteration method.JOURNAL OF ALLOYS AND COMPOUNDS,740,639-646.
MLA Zhang, L,et al."Developing beta-type bulk metallic glass composites from Ti/Zr-based bulk metallic glasses by an iteration method".JOURNAL OF ALLOYS AND COMPOUNDS 740(2018):639-646.
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