고강도강 맞대기 용접 시험편의 루트갭 변경에 따른 피로강도 평가

In this study, a series of fatigue tests was conducted to evaluate fatigue strength for the root gap difference with high strength steel with butt welded joints. A finite element analysis using effective notch stress method was also performed to compare effective notch factors each other with butt w...

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Published in大韓造船學會 論文集 Vol. 48; no. 1; pp. 56 - 61
Main Authors 김호정(Ho-Jung Kim), 강성원(Sung-Won Kang), 김명현(Myung-Hyun Kim)
Format Journal Article
LanguageKorean
Published 대한조선학회 2011
Subjects
조선공학
Butt welded joint(맞대기 용접)
High strength steel(고강도 강)
Fatigue(피로)
Root gap(루트 간격)
Copper backing(동당금)
Effective notch stress(유효 노치응력법)
Online AccessGet full text
ISSN1225-1143
2287-7355

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Abstract In this study, a series of fatigue tests was conducted to evaluate fatigue strength for the root gap difference with high strength steel with butt welded joints. A finite element analysis using effective notch stress method was also performed to compare effective notch factors each other with butt welded specimens made by copper backing. The results of fatigue tests were classified according to the root gap difference. Fatigue life of butt welded specimens is presented for determining the root gap of high strength steel with butt welded joints in terms of fatigue strength. Then effective notch stress was applied to interpret fatigue strength of butt welded specimen model which is reflected actual measured dimensions. As a result, fatigue strength of high strength steel with butt welded specimens is increased by root gap gets longer in length.
AbstractList In this study, a series of fatigue tests was conducted to evaluate fatigue strength for the root gap difference with high strength steel with butt welded joints. A finite element analysis using effective notch stress method was also performed to compare effective notch factors each other with butt welded specimens made by copper backing. The results of fatigue tests were classified according to the root gap difference. Fatigue life of butt welded specimens is presented for determining the root gap of high strength steel with butt welded joints in terms of fatigue strength. Then effective notch stress was applied to interpret fatigue strength of butt welded specimen model which is reflected actual measured dimensions. As a result, fatigue strength of high strength steel with butt welded specimens is increased by root gap gets longer in length.
In this study, a series of fatigue tests was conducted to evaluate fatigue strength for the root gap difference with high strength steel with butt welded joints. A finite element analysis using effective notch stress method was also performed to compare effective notch factors each other with butt welded specimens made by copper backing. The results of fatigue tests were classified according to the root gap difference. Fatigue life of butt welded specimens is presented for determining the root gap of high strength steel with butt welded joints in terms of fatigue strength. Then effective notch stress was applied to interpret fatigue strength of butt welded specimen model which is reflected actual measured dimensions. As a result, fatigue strength of high strength steel with butt welded specimens is increased by root gap gets longer in length. KCI Citation Count: 1
Author 김호정(Ho-Jung Kim)
김명현(Myung-Hyun Kim)
강성원(Sung-Won Kang)
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DocumentTitleAlternate Fatigue Assessment of High Strength Steel with Butt Welded Joints for the Root Gap Difference
DocumentTitle_FL Fatigue Assessment of High Strength Steel with Butt Welded Joints for the Root Gap Difference
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Keywords Butt welded joint(맞대기 용접)
High strength steel(고강도 강)
Fatigue(피로)
Root gap(루트 간격)
Copper backing(동당금)
Effective notch stress(유효 노치응력법)
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SubjectTerms 조선공학
Title 고강도강 맞대기 용접 시험편의 루트갭 변경에 따른 피로강도 평가
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