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Anisotropic mechanical properties of tantalum-continuous-fiber-reinforced amorphous matrix composites fabricated by liquid pressing process SCIE SCOPUS

Title
Anisotropic mechanical properties of tantalum-continuous-fiber-reinforced amorphous matrix composites fabricated by liquid pressing process
Authors
Lee, KLee, SBLee, SKLee, S
Date Issued
2010-03-25
Publisher
ELSEVIER SCIENCE SA
Abstract
Anisotropic mechanical properties of a Zr-based amorphous alloy matrix composite reinforced with tantalum continuous fiber fabricated by liquid pressing process were investigated by tensile and compressive tests of 0 degrees(longitudinal)-, 45 degrees, and 90 degrees(transverse)-orientation specimens. The ductility was dramatically improved over that of the monolithic amorphous alloy under tensile compressive loading conditions, while maintaining high strength. When the fiber direction was not matched with the loading direction, the reduction of the strength and ductility was not serious because of excellent fiber/matrix interfacial strength. The anisotropic deformation and fracture analyses showed that the formation of multiple shear bands, obstruction of crack propagation by fibers, and deformation of fibers led to the tensile elongation of 3-4% and compressive elongation of 15-30%. These findings suggested that the liquid pressing process was useful for the development of amorphous matrix composites with excellent ductility and anisotropic mechanical properties. (C) 2009 Elsevier B.V. All rights reserved.
Keywords
Composite; Amorphous alloy; Liquid pressing process; Anisotropic mechanical properties; METALLIC-GLASS; ALLOY; MICROSTRUCTURE; STRENGTH
URI
https://oasis.postech.ac.kr/handle/2014.oak/26003
DOI
10.1016/J.MSEA.2009.11.055
ISSN
0921-5093
Article Type
Article
Citation
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, vol. 527, no. 7-8, page. 1875 - 1881, 2010-03-25
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이성학LEE, SUNG HAK
Dept of Materials Science & Enginrg
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