Published in

Elsevier, Progress in Natural Science: Materials International, 2(24), p. 121-127, 2014

DOI: 10.1016/j.pnsc.2014.03.010

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Investigation of the microcrack evolution in a Ti-based bulk metallic glass matrix composite

Journal article published in 2014 by YongSheng Wang, ZhenXi Guo, Rui Ma, Rui, GuoJian Hao, Yong Zhang ORCID, Junpin Lin, ManLing Sui
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The initiation and evolution behavior of the shear-bands and microcracks in a Ti-based metallic-glass–matrix composite (MGMC) were investigated by using an in-situ tensile test under transmission electron microscopy (TEM). It was found that the plastic deformation of the Ti-based MGMC related with the generation of the plastic deformation zone in crystalline and shear deformation zone in glass phase near the crack tip. The dendrites can suppress the propagation of the shear band effectively. Before the rapid propagation of cracks, the extending of plastic deformation zone and shear deformation zone ahead of crack tip is the main pattern in the composite.