DETERMINATION OF JOHNSON-COOK FRACTURE STRAIN MODEL FOR AUSTENITIC STAINLESS STEEL 304

Jun Min Seo; Hune Tae Kim; Yun Jae Kim; Hiroyuki Yamada; Tomohisa Kumagai; Hayato Tokunaga; Naoki Miura

doi:10.1115/PVP2022-83772

DETERMINATION OF JOHNSON-COOK FRACTURE STRAIN MODEL FOR AUSTENITIC STAINLESS STEEL 304

Jun Min Seo
, Hune Tae Kim
, Yun Jae Kim
, Hiroyuki Yamada
, Tomohisa Kumagai
, Hayato Tokunaga
, Naoki Miura

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

In this study, Johnson-Cook fracture strain model considering the effect of stress triaxiality and strain rate is determined for austenitic stainless steel 304. Tensile test data of four different stress triaxiality and six different strain rate conditions are used to determine the parameters in the J-C fracture strain model. To see the effect of local variation of stress triaxiality and strain rate in the specimen, the J-C fracture models are determined in two different ways. The first case uses the initial stress triaxiality and nominal strain rate, and the second case uses the average value of local stress triaxiality and strain rate obtained from finite element analysis. The use of initial stress triaxiality gives conservative estimate of fracture strain at low stress triaxiality, and non-conservative estimate at high stress triaxiality. The use of nominal strain rate gives overall conservative estimate of fracture strain.

Original language	English
Title of host publication	Materials and Fabrication
Publisher	American Society of Mechanical Engineers (ASME)
ISBN (Electronic)	9780791886182
DOIs	https://doi.org/10.1115/PVP2022-83772
Publication status	Published - 2022
Event	ASME 2022 Pressure Vessels and Piping Conference, PVP 2022 - Las Vegas, United States Duration: 2022 Jul 17 → 2022 Jul 22

Publication series

Name	American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volume	4-B
ISSN (Print)	0277-027X

Conference

Conference	ASME 2022 Pressure Vessels and Piping Conference, PVP 2022
Country/Territory	United States
City	Las Vegas
Period	22/7/17 → 22/7/22

Bibliographical note

Funding Information:
Part of this work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No.NRF-2019M2D2A2048296).

Publisher Copyright:
Copyright © 2022 by ASME.

Keywords

Austenitic stainless steel
Johnson-Cook fracture strain model
Strain rate
Stress triaxiality

ASJC Scopus subject areas

Mechanical Engineering

Access to Document

10.1115/PVP2022-83772

Cite this

Seo, J. M., Kim, H. T., Kim, Y. J., Yamada, H., Kumagai, T., Tokunaga, H., & Miura, N. (2022). DETERMINATION OF JOHNSON-COOK FRACTURE STRAIN MODEL FOR AUSTENITIC STAINLESS STEEL 304. In Materials and Fabrication Article V04BT06A052 (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; Vol. 4-B). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/PVP2022-83772

DETERMINATION OF JOHNSON-COOK FRACTURE STRAIN MODEL FOR AUSTENITIC STAINLESS STEEL 304. / Seo, Jun Min; Kim, Hune Tae; Kim, Yun Jae et al.
Materials and Fabrication. American Society of Mechanical Engineers (ASME), 2022. V04BT06A052 (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; Vol. 4-B).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Seo, JM, Kim, HT, Kim, YJ, Yamada, H, Kumagai, T, Tokunaga, H & Miura, N 2022, DETERMINATION OF JOHNSON-COOK FRACTURE STRAIN MODEL FOR AUSTENITIC STAINLESS STEEL 304. in Materials and Fabrication., V04BT06A052, American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, vol. 4-B, American Society of Mechanical Engineers (ASME), ASME 2022 Pressure Vessels and Piping Conference, PVP 2022, Las Vegas, United States, 22/7/17. https://doi.org/10.1115/PVP2022-83772

Seo JM, Kim HT, Kim YJ, Yamada H, Kumagai T, Tokunaga H et al. DETERMINATION OF JOHNSON-COOK FRACTURE STRAIN MODEL FOR AUSTENITIC STAINLESS STEEL 304. In Materials and Fabrication. American Society of Mechanical Engineers (ASME). 2022. V04BT06A052. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP). doi: 10.1115/PVP2022-83772

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abstract = "In this study, Johnson-Cook fracture strain model considering the effect of stress triaxiality and strain rate is determined for austenitic stainless steel 304. Tensile test data of four different stress triaxiality and six different strain rate conditions are used to determine the parameters in the J-C fracture strain model. To see the effect of local variation of stress triaxiality and strain rate in the specimen, the J-C fracture models are determined in two different ways. The first case uses the initial stress triaxiality and nominal strain rate, and the second case uses the average value of local stress triaxiality and strain rate obtained from finite element analysis. The use of initial stress triaxiality gives conservative estimate of fracture strain at low stress triaxiality, and non-conservative estimate at high stress triaxiality. The use of nominal strain rate gives overall conservative estimate of fracture strain.",

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AU - Yamada, Hiroyuki

AU - Kumagai, Tomohisa

AU - Tokunaga, Hayato

AU - Miura, Naoki

N1 - Funding Information: Part of this work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No.NRF-2019M2D2A2048296). Publisher Copyright: Copyright © 2022 by ASME.

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N2 - In this study, Johnson-Cook fracture strain model considering the effect of stress triaxiality and strain rate is determined for austenitic stainless steel 304. Tensile test data of four different stress triaxiality and six different strain rate conditions are used to determine the parameters in the J-C fracture strain model. To see the effect of local variation of stress triaxiality and strain rate in the specimen, the J-C fracture models are determined in two different ways. The first case uses the initial stress triaxiality and nominal strain rate, and the second case uses the average value of local stress triaxiality and strain rate obtained from finite element analysis. The use of initial stress triaxiality gives conservative estimate of fracture strain at low stress triaxiality, and non-conservative estimate at high stress triaxiality. The use of nominal strain rate gives overall conservative estimate of fracture strain.

AB - In this study, Johnson-Cook fracture strain model considering the effect of stress triaxiality and strain rate is determined for austenitic stainless steel 304. Tensile test data of four different stress triaxiality and six different strain rate conditions are used to determine the parameters in the J-C fracture strain model. To see the effect of local variation of stress triaxiality and strain rate in the specimen, the J-C fracture models are determined in two different ways. The first case uses the initial stress triaxiality and nominal strain rate, and the second case uses the average value of local stress triaxiality and strain rate obtained from finite element analysis. The use of initial stress triaxiality gives conservative estimate of fracture strain at low stress triaxiality, and non-conservative estimate at high stress triaxiality. The use of nominal strain rate gives overall conservative estimate of fracture strain.

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ER -

DETERMINATION OF JOHNSON-COOK FRACTURE STRAIN MODEL FOR AUSTENITIC STAINLESS STEEL 304

Abstract

Publication series

Conference

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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