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Metals 2016, 6(5), 116; doi:10.3390/met6050116

Enhanced Mechanical Properties of MgZnCa Bulk Metallic Glass Composites with Ti-Particle Dispersion

1
Department of Biomedical Engineering, National Yang-Ming University, Taipei 11221, Taiwan
2
Institute of Materials Science and Engineering, National Central University, Taoyuan 32001, Taiwan
3
Department of Mechanical Engineering, National Central University, Taoyuan 32001, Taiwan
4
Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan
*
Authors to whom correspondence should be addressed.
Academic Editor: Ana Sofia Ramos
Received: 16 February 2016 / Revised: 4 May 2016 / Accepted: 10 May 2016 / Published: 17 May 2016
(This article belongs to the Special Issue Intermetallics 2016)
View Full-Text   |   Download PDF [5070 KB, uploaded 17 May 2016]   |  

Abstract

Rod samples of Mg60Zn35Ca5 bulk metallic glass composites (BMGCs) dispersed with Ti particles have been successfully fabricated via injection casting. The glass forming ability (GFA) and the mechanical properties of these Mg-based BMGCs have been systematically investigated as a function of the volume fraction (Vf) of Ti particles. The results showed that the compressive ductility increased with Vf. The mechanical performance of these BMGCs, with up to 5.4% compressive failure strain and 1187 MPa fracture strength at room temperature, can be obtained for the Mg-based BMGCs with 50 vol % Ti particles, suggesting that these dispersed Ti particles can absorb the energy of the crack propagations and can induce branches of the primary shear band into multiple secondary shear bands. It follows that further propagation of the shear band is blocked, enhancing the overall plasticity. View Full-Text
Keywords: composite; Mg-Zn-Ca; bulk metallic glass; self-degraded ability; mechanical properties composite; Mg-Zn-Ca; bulk metallic glass; self-degraded ability; mechanical properties
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wong, P.C.; Lee, T.H.; Tsai, P.H.; Cheng, C.K.; Li, C.; Jang, J.S.-C.; Huang, J.C. Enhanced Mechanical Properties of MgZnCa Bulk Metallic Glass Composites with Ti-Particle Dispersion. Metals 2016, 6, 116.

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