| 1 | Micro-scaled plastic yielding and shear-banding dynamics in metallic glasses显示文摘Shear-banding behavior in metallic glasses plays a key role in the operation of plastic deformation,which is associated with yield strength.In a micro-scale,the shear-banding behavior must be affected by many factors from the test machine and the substrate.Therefore,in this study,comprehensively considering a machine compliance,a geometry imperfection of micro-pillar,and a substrate sink-in the machine-sample-substrate system,we developed a plastic-strength model at a micrometer scale in this study,which is evidenced by the microscale compressive properties of 18 kinds of metallic glasses.The the-oretical model provides a guidance for the elastic limits and shear-banding dynamics of metallic glasses at the micro-scale,which can be applicable to characterize the microscale deformation behavior of other amorphous materials. | D.X.Han G.Wang Q.Wang R.Feng X.D.Ma K.C.Chan C.T.Liu | 2023 | Journal of Materials Science & Technology2023，，21： | 0 |
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