Enhanced mechanical properties of MgZnCa bulk metallic glass composites with ti-particle dispersion

Pei Chun Wong, Tsung Hsiung Lee, Pei Hua Tsai, Cheng Kung Cheng, Chuan Li, Jason Shian Ching Jang, J. C. Huang

研究成果: 雜誌貢獻期刊論文同行評審

11 引文 斯高帕斯(Scopus)

摘要

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.

原文???core.languages.en_GB???
文章編號116
期刊Metals
6
發行號5
DOIs
出版狀態已出版 - 5月 2016

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