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Description:

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.

Rights:

• Creative Commons BY Attribution 4.0 International
  

  Creative Commons BY Attribution 4.0 International

Keyword: Elastic-plastic material, instrumented indentation test, response surface, material database, finite element method

Date published: 2022-12-31

Publisher: Informa UK Limited

Journal:

• Science and Technology of Advanced Materials: Methods (ISSN: 27660400) vol. 2 issue. 1 p. 416-424

Funding:

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1080/27660400.2022.2129508

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Updated at: 2024-01-05 22:13:44 +0900

Published on MDR: 2023-02-28 10:35:53 +0900