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Numerical study of pile-up in bulk metallic glass during spherical indentation

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Abstracts

Pile-up around indenter is usually observed during instrumented indentation tests on bulk metallic glass. Neglecting the pile-up effect may lead to errors in evaluating hardness, Young’s modulus, stress-strain response, etc. Finite element analysis was employed to implement numerical simulation of spherical indentation tests on bulk metallic glass. A new model was proposed to describe the pile-up effect. By using this new model, the contact radius and hardness of Zr41.2Ti13.8Cu12.5Ni10Be22.5 bulk metallic glass were obtained under several different indenter loads with pile-up, and the results agree well with the data generated by numerical simulation.

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Authors and Affiliations

  1. State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100080, China

    Ke Ai & LanHong Dai

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  1. Ke Ai
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  2. LanHong Dai
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Correspondence to LanHong Dai.

Additional information

Supported by the National Natural Science Foundation of China (Grant Nos 10725211, 10721202 and 10472119) and the Key Project of Chinese Academy of Sciences (Grant Nos KJCX2-YW-M04 and KJCX-SW-L08)

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Ai, K., Dai, L. Numerical study of pile-up in bulk metallic glass during spherical indentation. Sci. China Ser. G-Phys. Mech. As 51, 379–386 (2008). https://doi.org/10.1007/s11433-008-0043-4

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  • DOI: https://doi.org/10.1007/s11433-008-0043-4

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