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Enhancement of plasticity in Ti-based metallic glass matrix composites by controlling characteristic and volume fraction of primary phase

Published online by Cambridge University Press:  31 January 2011

K.R. Lim ,
J.H. Na ,
J.M. Park ,
W.T. Kim  and
D.H. Kim
K.R. Lim
Affiliation:
Center for Non-Crystalline Materials, Department of Materials Science and Engineering, Yonsei University, Seodaemun-Ku, Seoul 120-749, South Korea
J.H. Na
Affiliation:
California Institute of Technology, Division of Engineering and Applied Science, Pasadena, California 91125
J.M. Park
Affiliation:
Center for Non-Crystalline Materials, Department of Materials Science and Engineering, Yonsei University, Seodaemun-Ku, Seoul 120-749, South Korea; and IFW Dresden, Institute for Complex Materials, D-01171 Dresden, Germany
W.T. Kim
Affiliation:
IT Division, Cheongju University, Cheongju 360-764, South Korea
D.H. Kim*
Affiliation:
Center for Non-Crystalline Materials, Department of Materials Science and Engineering, Yonsei University, Seodaemun-Ku, Seoul 120-749, South Korea
*
a)Address all correspondence to this author. e-mail: dohkim@yonsei.ac.kr
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Abstract

In this study, Ti-based metallic glass matrix composites with high plasticity have been developed by controlling characteristic and volume fraction of primary phase embedded in the glass matrix. By careful alloy design procedure, the compositions of β/glass phases, which are in metastable equilibrium have been properly selected, therefore the mechanical properties can be tailored by selecting the alloy compositions between the composition of β and glass phases. The relation between the compressive yield strength and volume fraction of β phase is well described using the rule of mixtures.

Keywords

CompositeMicrostructurePhase Equilibria
Type
Articles
Information
Journal of Materials Research , Volume 25 , Issue 11 , November 2010 , pp. 2183 - 2191
Copyright
Copyright © Materials Research Society 2010

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