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jwri40_02_069
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論文情報
タイトル
Effect of Heat Cycle in Multi-layer Welding on Charpy Absorbed Energy in Low and High Toughness Steel
著者
Sakino, Yoshihiro
Sakino, Yoshihiro
Kim, You-Chul
Kim, You-Chul
キーワード等
Welding heat affected zone
Synthetic heat-affected zone test
Charpy absorbed energy
Multi-layer welding
Heat-conduction analysis
抄録
In this study, the heat cycle is determined in the case of multi-layer welding using three-dimensional heat-conduction analysis. The relationship between the heat cycle of multi-layer welding and the absorbed energy is defined by simulating various heat cycles of multi-layer welding by performing the synthetic HAZ test using steel with a relatively high Charpy absorbed energy and steel with a relatively low Charpy absorbed energy. On the basis of this relationship, the authors have studied the effects of heat cycle conditions on the Charpy absorbed energy of weld interfaces. In the results, the Charpy absorbed energy increased more than in the case of single-pass welding in some heat cycle in the case of multi-layer welding, both in high-toughness steel and low-toughness steel. The Charpy absorbed energy of the weld interface was greatly susceptible to the achieved temperature after the maximum achieved temperature, and the range of the temperature after the maximum temperature was achieved in which the Charpy absorbed energy was found to be different depending on the steel toughness.
公開者
大阪大学接合科学研究所
公開者の別表記
Joining and Welding Research Institute, Osaka University
公開者 (ヨミ)
オオサカ ダイガク セツゴウ カガク ケンキュウジョ
掲載誌名
Transactions of JWRI
巻
40
号
2
開始ページ
69
終了ページ
75
刊行年月
2011-12
ISSN
03874508
NCID
AA00867058
URL
http://hdl.handle.net/11094/10763
言語
英語
カテゴリ
紀要論文 Departmental Bulletin Paper
Transactions of JWRI / Vol.40 No.2 (2011-12)
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text
DCTERMS.bibliographicCitation
Transactions of JWRI.40(2) P.69-P.75
DC.title
Effect of Heat Cycle in Multi-layer Welding on Charpy Absorbed Energy in Low and High Toughness Steel
DC.creator
Sakino, Yoshihiro
Kim, You-Chul
DC.publisher
大阪大学接合科学研究所
DC.language" scheme="DCTERMS.RFC1766
英語
DCTERMS.issued" scheme="DCTERMS.W3CDTF
2011-12
DC.identifier" scheme="DCTERMS.URI
http://hdl.handle.net/11094/10763
DC.subject
Welding heat affected zone
Synthetic heat-affected zone test
Charpy absorbed energy
Multi-layer welding
Heat-conduction analysis
DCTERMS.abstract
In this study, the heat cycle is determined in the case of multi-layer welding using three-dimensional heat-conduction analysis. The relationship between the heat cycle of multi-layer welding and the absorbed energy is defined by simulating various heat cycles of multi-layer welding by performing the synthetic HAZ test using steel with a relatively high Charpy absorbed energy and steel with a relatively low Charpy absorbed energy. On the basis of this relationship, the authors have studied the effects of heat cycle conditions on the Charpy absorbed energy of weld interfaces. In the results, the Charpy absorbed energy increased more than in the case of single-pass welding in some heat cycle in the case of multi-layer welding, both in high-toughness steel and low-toughness steel. The Charpy absorbed energy of the weld interface was greatly susceptible to the achieved temperature after the maximum achieved temperature, and the range of the temperature after the maximum temperature was achieved in which the Charpy absorbed energy was found to be different depending on the steel toughness.
citation_title
Effect of Heat Cycle in Multi-layer Welding on Charpy Absorbed Energy in Low and High Toughness Steel
citation_author
Sakino, Yoshihiro
Kim, You-Chul
citation_publisher
大阪大学接合科学研究所
citation_language
英語
citation_date
2011-12
citation_journal_title
Transactions of JWRI
citation_volume
40
citation_issue
2
citation_firstpage
69
citation_lastpage
75
citation_issn
03874508
citation_public_url
http://hdl.handle.net/11094/10763
citation_keywords
Welding heat affected zone
Synthetic heat-affected zone test
Charpy absorbed energy
Multi-layer welding
Heat-conduction analysis