Modification of the Johnson-Cook Model for the Strain Rate Effect on Tensile Properties of 304/316 Austenitic Stainless Steels

Jun Min Seo; Sang Seop Jeong; Yun Jae Kim; Jin Weon Kim; Chang Young Oh; Hayato Tokunaga; Tomohisa Kumagai; Naoki Miura

doi:10.1115/1.4050833

Modification of the Johnson-Cook Model for the Strain Rate Effect on Tensile Properties of 304/316 Austenitic Stainless Steels

Jun Min Seo, Sang Seop Jeong, Yun Jae Kim, Jin Weon Kim, Chang Young Oh, Hayato Tokunaga, Tomohisa Kumagai, Naoki Miura

School of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

In this study, tensile tests of 304 and 316 austenitic stainless steels (ASS) at various strain rates were performed to investigate the strain rate effect on tensile properties. It is shown that the strain rate effect on stress depends not only on the strain rate but also on the plastic strain level. Accordingly, a modification of the existing Johnson-Cook (J-C) model is proposed to incorporate the interacting effect of plastic strain and strain rate for 304 and 316 ASS. The proposed modified J-C model can reduce the difference from the experimental data at various strain levels, compared to the existing J-C model.

Original language	English
Article number	011501
Journal	Journal of Pressure Vessel Technology, Transactions of the ASME
Volume	144
Issue number	1
DOIs	https://doi.org/10.1115/1.4050833
Publication status	Published - 2022 Feb

ASJC Scopus subject areas

Safety, Risk, Reliability and Quality
Mechanics of Materials
Mechanical Engineering

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10.1115/1.4050833

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title = "Modification of the Johnson-Cook Model for the Strain Rate Effect on Tensile Properties of 304/316 Austenitic Stainless Steels",

abstract = "In this study, tensile tests of 304 and 316 austenitic stainless steels (ASS) at various strain rates were performed to investigate the strain rate effect on tensile properties. It is shown that the strain rate effect on stress depends not only on the strain rate but also on the plastic strain level. Accordingly, a modification of the existing Johnson-Cook (J-C) model is proposed to incorporate the interacting effect of plastic strain and strain rate for 304 and 316 ASS. The proposed modified J-C model can reduce the difference from the experimental data at various strain levels, compared to the existing J-C model.",

author = "Seo, {Jun Min} and Jeong, {Sang Seop} and Kim, {Yun Jae} and Kim, {Jin Weon} and Oh, {Chang Young} and Hayato Tokunaga and Tomohisa Kumagai and Naoki Miura",

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AU - Seo, Jun Min

AU - Jeong, Sang Seop

AU - Kim, Yun Jae

AU - Kim, Jin Weon

AU - Oh, Chang Young

AU - Tokunaga, Hayato

AU - Kumagai, Tomohisa

AU - Miura, Naoki

N1 - Funding Information: • National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (NRF-2019M2D2A 2048296; Funder ID: 10.13039/501100003725). Publisher Copyright: Copyright © 2021 by ASME.

PY - 2022/2

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N2 - In this study, tensile tests of 304 and 316 austenitic stainless steels (ASS) at various strain rates were performed to investigate the strain rate effect on tensile properties. It is shown that the strain rate effect on stress depends not only on the strain rate but also on the plastic strain level. Accordingly, a modification of the existing Johnson-Cook (J-C) model is proposed to incorporate the interacting effect of plastic strain and strain rate for 304 and 316 ASS. The proposed modified J-C model can reduce the difference from the experimental data at various strain levels, compared to the existing J-C model.

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Modification of the Johnson-Cook Model for the Strain Rate Effect on Tensile Properties of 304/316 Austenitic Stainless Steels

Abstract

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