Abstract

We investigated the effect of pre-introduced shear bands direction on compressive deformation behavior in Zr55Al10Ni5Cu30 bulk metallic glass. The compressive deformation behavior varied with the difference of the direction of pre-introduced shear bands with respect to loading direction. The specimen in which shear bands were introduced at an angle of 45 degree to the loading direction showed largest plastic strain. This large plasticity was achieved due to the activity of pre-introduced shear bands and formation of multiple shear bands. The direction of preintroduced shear bands is an important factor to improve the plasticity in bulk metallic glasses. [doi:10.2320/matertrans.MAW200920]

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