Data-driven estimation of plastic properties in work-hardening model combining power-law and linear hardening using instrumented indentation test

MDR Open Deposited

In this study, a method for determining the additional material constant in a modified work-hardening model combining power-law and linear hardening was proposed without additional experimental data, based on the two stress--plastic strain curves of the power-law and linear hardening models. Consequently, the material constants can be determined using an existing approach. In this study, a data-driven estimation approach using the response surfaces of the loading curvature of a load--depth curve and the pile-up height of an indentation impression is established. The proposed approach was applied to high-work-hardening steel for validation.

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Date published
  • 11/10/2022
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  • Version of record (Published version)