Journal of Materials Research

Articles

Compressive deformation and damage of Mg-based metallic glass interpenetrating phase composite containing 30–70 vol% titanium

Yu Suna1, Haifeng Zhanga1 c1, Aimin Wanga1, Huameng Fua1, Zhuangqi Hua1, Cui'e Wena2 and Peter Hodgsona2

a1 Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China

a2 Institute for Technology Research & Innovation, Deakin University, Victoria 3217, Australia

Abstract

Mg-based metallic glass interpenetrating phase composites (IPCs) containing 30–70 vol% titanium was fabricated in this study. The effects of reinforced phase volume fraction and interspace on the mechanical properties were investigated systematically. With increasing the volume fraction of titanium, the fracture strength and strain increased up to 1860 MPa and 44%, respectively. The results showed that the critical volume fraction (around 40%) of Ti metal should be required for significantly improving plasticity of IPC. Decreasing the interspace of the titanium phase could lead to enhancement of yield and fracture strength. The deformation behavior and strengthening mechanisms were discussed in detail.

(Received March 10 2010)

(Accepted May 18 2010)

Key Words:

  • Composite;
  • Amorphous;
  • Mg

Correspondence:

c1 Address all correspondence to this author. e-mail: hfzhang@imr.ac.cn

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