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Micro-deformation mechanism of Zr-based metallic glass/porous tungsten composite by in-situ high-energy X-ray diffraction and finite element modeling
X. Q. Zhang; L. Wang; Q. B. Fan; Y. F. Xue; Y. D. Wang; Z. H. Nie; H. F. Zhang; H. M. Fu
2014
Source PublicationMaterials Science and Engineering a-Structural Materials Properties Microstructure and Processing
ISSN0921-5093
Volume598Pages:407-412
AbstractMicromechanical behaviors of Zr-based metallic glass/porous tungsten composite under quasi-static uniaxial compression at room temperature were investigated by in-situ high-energy X-ray diffraction (HEXRD) technique based on the synchrotron source and finite element modeling (FEM). During the process of compression, the main load phase was tungsten phase until it yielded at an applied stress of 1175 MPa. Subsequently, metallic glass phase became the main load phase. The plastic misfit strain of the two phases resulted in stress concentration near interfaces between them, which accelerated the process of stress transfer from the tungsten phase to the metallic glass phase. The metallic glass phase started to yield at 1500 MPa; at that time defects weakened the mutual restriction between the metallic glass phase and the tungsten phase, leading the tungsten phase to fail or the interfaces between two phases to separate by the increasing load. (C) 2014 Elsevier B.V. All rights reserved.
description.department[zhang, x. q. ; wang, l. ; fan, q. b. ; xue, y. f. ; wang, y. d. ; nie, z. h.] beijing inst technol, sch mat sci & engn, beijing 100081, peoples r china. [zhang, h. f. ; fu, h. m.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; xue, yf (reprint author), beijing inst technol, sch mat sci & engn, beijing 100081, peoples r china. ; xueyunfei@bit.edu.cn
KeywordMetallic Glass Composite Mechanical Properties Finite Element Analysis (Fea) High Energy X-ray Diffraction (Hexrd) Glass-matrix Composites Compressive Deformation Behavior Synchrotron Crystals Alloys
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72971
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
X. Q. Zhang,L. Wang,Q. B. Fan,et al. Micro-deformation mechanism of Zr-based metallic glass/porous tungsten composite by in-situ high-energy X-ray diffraction and finite element modeling[J]. Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,2014,598:407-412.
APA X. Q. Zhang.,L. Wang.,Q. B. Fan.,Y. F. Xue.,Y. D. Wang.,...&H. M. Fu.(2014).Micro-deformation mechanism of Zr-based metallic glass/porous tungsten composite by in-situ high-energy X-ray diffraction and finite element modeling.Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,598,407-412.
MLA X. Q. Zhang,et al."Micro-deformation mechanism of Zr-based metallic glass/porous tungsten composite by in-situ high-energy X-ray diffraction and finite element modeling".Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 598(2014):407-412.
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