The influence of plastic material property equations on the initial C(t) and J(t) in elastic-plastic-creep FE analysis

So Dam Lee; Han Sang Lee; Myeong Woo Lee; Yun Jae Kim; Robert A. Ainsworth; David W. Dean

doi:10.1016/j.prostr.2016.06.109

The influence of plastic material property equations on the initial C(t) and J(t) in elastic-plastic-creep FE analysis

So Dam Lee, Han Sang Lee, Myeong Woo Lee, Yun Jae Kim, Robert A. Ainsworth, David W. Dean

Department of Mechanical Engineering

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

1 Citation (Scopus)

Abstract

In this paper, the influence of plastic material property equations on the initial C(t) and J(t) is investigated by using elastic-plastic-creep FE analysis. For plastic models, three equations with different values around 0.2% yield strength are considered for study. These models are found to have an effect on calculated C(t) values for a short time or redistribution time. In case of J(t), the rate of its change is not affected by the models, whereas J(0) values were affected.

Original language	English
Pages (from-to)	847-854
Number of pages	8
Journal	Procedia Structural Integrity
Volume	2
DOIs	https://doi.org/10.1016/j.prostr.2016.06.109
Publication status	Published - 2016

Keywords

C(t) integral
Elastic-plastic-creep FE analysis
J(t) integral

ASJC Scopus subject areas

Mechanical Engineering
Mechanics of Materials
Civil and Structural Engineering
Materials Science(all)

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@article{2ffc5e56069d4f26a1c6e43f155f50d0,

title = "The influence of plastic material property equations on the initial C(t) and J(t) in elastic-plastic-creep FE analysis",

abstract = "In this paper, the influence of plastic material property equations on the initial C(t) and J(t) is investigated by using elastic-plastic-creep FE analysis. For plastic models, three equations with different values around 0.2% yield strength are considered for study. These models are found to have an effect on calculated C(t) values for a short time or redistribution time. In case of J(t), the rate of its change is not affected by the models, whereas J(0) values were affected.",

keywords = "C(t) integral, Elastic-plastic-creep FE analysis, J(t) integral",

author = "Lee, {So Dam} and Lee, {Han Sang} and Lee, {Myeong Woo} and Kim, {Yun Jae} and Ainsworth, {Robert A.} and Dean, {David W.}",

note = "Funding Information: This research was supported by theNational Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (NRF-2013M2A7A1076396, NRF-2013M2B2B1075733). Funding Information: This research was supported by the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (NRF-2013M2A7A1076396, NRF-2013M2B2B1075733).",

year = "2016",

doi = "10.1016/j.prostr.2016.06.109",

language = "English",

volume = "2",

pages = "847--854",

journal = "Procedia Structural Integrity",

issn = "2452-3216",

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TY - JOUR

T1 - The influence of plastic material property equations on the initial C(t) and J(t) in elastic-plastic-creep FE analysis

AU - Lee, So Dam

AU - Lee, Han Sang

AU - Lee, Myeong Woo

AU - Kim, Yun Jae

AU - Ainsworth, Robert A.

AU - Dean, David W.

N1 - Funding Information: This research was supported by theNational Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (NRF-2013M2A7A1076396, NRF-2013M2B2B1075733). Funding Information: This research was supported by the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (NRF-2013M2A7A1076396, NRF-2013M2B2B1075733).

PY - 2016

Y1 - 2016

N2 - In this paper, the influence of plastic material property equations on the initial C(t) and J(t) is investigated by using elastic-plastic-creep FE analysis. For plastic models, three equations with different values around 0.2% yield strength are considered for study. These models are found to have an effect on calculated C(t) values for a short time or redistribution time. In case of J(t), the rate of its change is not affected by the models, whereas J(0) values were affected.

AB - In this paper, the influence of plastic material property equations on the initial C(t) and J(t) is investigated by using elastic-plastic-creep FE analysis. For plastic models, three equations with different values around 0.2% yield strength are considered for study. These models are found to have an effect on calculated C(t) values for a short time or redistribution time. In case of J(t), the rate of its change is not affected by the models, whereas J(0) values were affected.

KW - C(t) integral

KW - Elastic-plastic-creep FE analysis

KW - J(t) integral

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DO - 10.1016/j.prostr.2016.06.109

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SP - 847

EP - 854

JO - Procedia Structural Integrity

JF - Procedia Structural Integrity

SN - 2452-3216

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