Investigation of Thermal Aging Effect on Fracture Toughness of Cast Stainless Steels Using Experimental and Numerical Approach

J. Y. Jeon; Y. J. Kim; J. W. Kim; S. Y. Lee

doi:10.1016/j.proeng.2015.12.200

Investigation of Thermal Aging Effect on Fracture Toughness of Cast Stainless Steels Using Experimental and Numerical Approach

J. Y. Jeon, Y. J. Kim, J. W. Kim, S. Y. Lee

研究成果: Conference article › 査読

1 被引用数 (Scopus)

抄録

This paper investigates effect of thermal aging on reduction of fracture toughness of CF8 M cast stainless steel. To predict fracture toughness of un-aged and aged materials by numerical analyses, finite element damage analysis is used in conjunction with strain-based fracture model. The strain-based fracture models for un-aged and aged CF8 M are determined from notched bar tensile test data and finite element analysis of it. It is found that the effect of thermal aging on material ductility can be quantified with introducing the concept of thermal aging constant. Using the method in this paper, J-resistance curves for un-aged and aged CF8 M can be predicted and compared with experimental test data.

本文言語	English
ページ（範囲）	820-827
ページ数	8
ジャーナル	Procedia Engineering
巻	130
DOI	https://doi.org/10.1016/j.proeng.2015.12.200
出版ステータス	Published - 2015
外部発表	はい
イベント	14th International Conference on Pressure Vessel Technology, 2015 - Shanghai, China 継続期間: 2015 9月 23 → 2015 9月 26

ASJC Scopus subject areas

建築および建設
工学（全般）

文献へのアクセス

10.1016/j.proeng.2015.12.200

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引用スタイル

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title = "Investigation of Thermal Aging Effect on Fracture Toughness of Cast Stainless Steels Using Experimental and Numerical Approach",

abstract = "This paper investigates effect of thermal aging on reduction of fracture toughness of CF8 M cast stainless steel. To predict fracture toughness of un-aged and aged materials by numerical analyses, finite element damage analysis is used in conjunction with strain-based fracture model. The strain-based fracture models for un-aged and aged CF8 M are determined from notched bar tensile test data and finite element analysis of it. It is found that the effect of thermal aging on material ductility can be quantified with introducing the concept of thermal aging constant. Using the method in this paper, J-resistance curves for un-aged and aged CF8 M can be predicted and compared with experimental test data.",

keywords = "Cast stainless steel, Finite element analysis, Fracture toughness, Strain-based fracture model, Thermal aging",

author = "Jeon, {J. Y.} and Kim, {Y. J.} and Kim, {J. W.} and Lee, {S. Y.}",

note = "Publisher Copyright: {\textcopyright} 2015 The Authors.; 14th International Conference on Pressure Vessel Technology, 2015 ; Conference date: 23-09-2015 Through 26-09-2015",

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AU - Jeon, J. Y.

AU - Kim, Y. J.

AU - Kim, J. W.

AU - Lee, S. Y.

PY - 2015

Y1 - 2015

N2 - This paper investigates effect of thermal aging on reduction of fracture toughness of CF8 M cast stainless steel. To predict fracture toughness of un-aged and aged materials by numerical analyses, finite element damage analysis is used in conjunction with strain-based fracture model. The strain-based fracture models for un-aged and aged CF8 M are determined from notched bar tensile test data and finite element analysis of it. It is found that the effect of thermal aging on material ductility can be quantified with introducing the concept of thermal aging constant. Using the method in this paper, J-resistance curves for un-aged and aged CF8 M can be predicted and compared with experimental test data.

AB - This paper investigates effect of thermal aging on reduction of fracture toughness of CF8 M cast stainless steel. To predict fracture toughness of un-aged and aged materials by numerical analyses, finite element damage analysis is used in conjunction with strain-based fracture model. The strain-based fracture models for un-aged and aged CF8 M are determined from notched bar tensile test data and finite element analysis of it. It is found that the effect of thermal aging on material ductility can be quantified with introducing the concept of thermal aging constant. Using the method in this paper, J-resistance curves for un-aged and aged CF8 M can be predicted and compared with experimental test data.

KW - Cast stainless steel

KW - Finite element analysis

KW - Fracture toughness

KW - Strain-based fracture model

KW - Thermal aging

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