Correlations between Shear Bands and Plasticity in Ti-Based Bulk Metallic Glass |
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| Authors: | Kou Hongchao Wang Jun Ma Weifeng Chang Hui Li Jinshan Zhou Lian |
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| Affiliation: | Kou Hongchao,Wang Jun,Ma Weifeng,Chang Hui,Li Jinshan,Zhou Lian State Key Laboratory of Solidification Processing,Northwestern Polytechnical University,Xi'an 710072,China |
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| Abstract: | The compressive plasticity of Ti40Zr25Ni8Cu9Be18 bulk metallic glass with different specimen aspect ratio was investigated.The specimens with aspect ratios A>1 exhibit a poor plasticity,contrariwise,showing an excellent plasticity.The maximum elongation before failure is up to about 86%.The difference in the plasticity is a result of shear bands behavior due to the geometrical constraints.The results show a linear increase in the density(spacing) of shear bands with increasing of stress,and the hardness dec... |
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| Keywords: | bulk metallic glass Ti-based compression plasticity shear bands |
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