Research progress in control of microstructure and mechanical properties of in-situ bulk metallic glass composites

doi:10.11868/j.issn.1001-4381.2021.000328

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	Research progress in control of microstructure and mechanical properties of in-situ bulk metallic glass composites
	Zhai, Haimin; Ma, Xu; Yuan, Huayan; Ou, Mengjing; Li, Wensheng
刊名	Cailiao Gongcheng/Journal of Materials Engineering
	2022-05-20
卷号	50 期号:5 页码:78-89
关键词	Crystal atomic structure Glass Metallic glass Metallic matrix composites Metals Microstructure Plasticity (metallic) glass Bulk metallic glass composites Design preparation In-control Localised Mechanical/physical properties Microstructure regulation Microstructures and mechanical properties Preparative technique Second phase
ISSN号	1001-4381
DOI	10.11868/j.issn.1001-4381.2021.000328
英文摘要	Metallic glasses (MGs) have a series of excellent mechanical, physical, chemical and other properties due to their unique short-range ordered and long-range disordered atomic structure characteristics, making them have great potential application value in the field of advanced metal structural materials. However, when the bulk metallic glass (BMG) is deformed under room temperature, the large amount of free volume formed by the shear transformation of the atomic clusters will evolve into a highly localized shear bands. The localized shear bands will undergo instability expansion due to the lack of media, which leads to the fact that BMGs are very prone to brittle fracture at room temperature. In particular, there is no plasticity during uniaxial tension. In order to overcome this shortcoming, the researchers proposed to introduce the micron-sized crystal phase into the glass matrix to suppress the instability expansion of the shear band, so that the in-situ dendritic toughened bulk metallic glass composite (BMGC) has obvious tensile plasticity, and the BMGC has attracted much attention from the material science community. In recent years, researchers have successively improved the plastic deformation ability of BMGC through composition design, preparation technology, heat treatment process and other methods, making BMGC be expected to move towards practical engineering applications. This article focuses on the key scientific issue of microstructure control of in-situ second-phase toughened BMGC, from the factors that affect the microstructure of BMGC (alloy composition design, preparation process parameters, microstructure construction, etc.) to the mechanism of the influence of microstructure on its room temperature mechanical properties, the research results were systematically summarized. In particular, the article focuses on the research progress in the field of in-situ second-phase toughened BMGC in the past 10 years in the field of microstructure regulation and the correlation between mechanical properties at room temperature. In addition, the current problems and challenges in the field of in-situ second-phase toughened BMGC were addressed. The prospects are expected to provide a theoretical reference for the design and preparation of high-strength and high-toughness in-situ second-phase toughened BMGC. © 2022, Journal of Materials Engineering. All right reserved.
语种	中文
出版者	Beijing Institute of Aeronautical Materials (BIAM)
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/158465]
专题	省部共建有色金属先进加工与再利用国家重点实验室材料科学与工程学院
作者单位	State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou; 730050, China
推荐引用方式 GB/T 7714	Zhai, Haimin,Ma, Xu,Yuan, Huayan,et al. Research progress in control of microstructure and mechanical properties of in-situ bulk metallic glass composites[J]. Cailiao Gongcheng/Journal of Materials Engineering,2022,50(5):78-89.
APA	Zhai, Haimin,Ma, Xu,Yuan, Huayan,Ou, Mengjing,&Li, Wensheng.(2022).Research progress in control of microstructure and mechanical properties of in-situ bulk metallic glass composites.Cailiao Gongcheng/Journal of Materials Engineering,50(5),78-89.
MLA	Zhai, Haimin,et al."Research progress in control of microstructure and mechanical properties of in-situ bulk metallic glass composites".Cailiao Gongcheng/Journal of Materials Engineering 50.5(2022):78-89.