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Direct Observation on the Evolution of Shear Banding and Buckling in Tungsten Fiber Reinforced Zr-Based Bulk Metallic Glass Composite
Chen JH(陈军红); Chen Y(陈艳); Jiang MQ(蒋敏强); Chen XW; Fu HM; Zhang HF; Dai LH(戴兰宏); Dai, LH (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100864, Peoples R China.
Source PublicationMETALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
2014-11
Volume45AIssue:12Pages:5397-5408
ISSN1073-5623
AbstractThe evolution of micro-damage and deformation of each phase in the composite plays a pivotal role in the clarification of deformation mechanism of composite. However, limited model and mechanical experiments were conducted to reveal the evolution of the deformation of the two phases in the tungsten fiber reinforced Zr-based bulk metallic glass composite. In this study, quasi-static compressive tests were performed on this composite. For the first time, the evolution of micro-damage and deformation of the two phases in this composite, i.e., shear banding of the metallic glass matrix and buckling deformation of the tungsten fiber, were investigated systematically by controlling the loading process at different degrees of deformation. It is found that under uniaxial compression, buckling of the tungsten fiber occurs first, while the metallic glass matrix deforms homogeneously. Upon further loading, shear bands initiate from the fiber/matrix interface and propagate in the metallic glass matrix. Finally, the composite fractures in a mixed mode, with splitting in the tungsten fiber, along with shear fracture in the metallic glass matrix. Through the analysis on the stress state in the composite and resistance to shear banding of the two phases during compressive deformation, the possible deformation mechanism of the composite is unveiled. The deformation map of the composite, which covers from elastic deformation to final fracture, is obtained as well.
Subject AreaMaterials Science ; Metallurgy & Metallurgical Engineering
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000342443200017
Funding OrganizationFinancial support is from the NSFC (Grants Nos. 11132011, 11202221, 11372315), the National Key Basic Research Program of China (Grant No. 2012CB937500). Research supported by the CAS/SA-FEA International Partnership Program for Creative Research Teams.
DepartmentLNM冲击动力学与新型材料力学性能
Classification二类/Q1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49320
Collection非线性力学国家重点实验室
Corresponding AuthorDai, LH (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100864, Peoples R China.
Recommended Citation
GB/T 7714
Chen JH,Chen Y,Jiang MQ,et al. Direct Observation on the Evolution of Shear Banding and Buckling in Tungsten Fiber Reinforced Zr-Based Bulk Metallic Glass Composite[J]. METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE,2014,45A(12):5397-5408.
APA Chen JH.,Chen Y.,Jiang MQ.,Chen XW.,Fu HM.,...&Dai, LH .(2014).Direct Observation on the Evolution of Shear Banding and Buckling in Tungsten Fiber Reinforced Zr-Based Bulk Metallic Glass Composite.METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE,45A(12),5397-5408.
MLA Chen JH,et al."Direct Observation on the Evolution of Shear Banding and Buckling in Tungsten Fiber Reinforced Zr-Based Bulk Metallic Glass Composite".METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE 45A.12(2014):5397-5408.
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