Effect of Heat Cycle in Multi-layer Welding on Charpy Absorbed Energy in Low and High Toughness Steel

Sakino, Yoshihiro; Kim, You-Chul

doi:https://doi.org/10.18910/10763

Effect of Heat Cycle in Multi-layer Welding on Charpy Absorbed Energy in Low and High Toughness Steel

Sakino, Yoshihiro; Kim, You-Chul

Transactions of JWRI, 2011, 40(2), 69-75

アクセス数:211件（2025-07-15 06:05 集計）

固定URL: https://doi.org/10.18910/10763

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タイトル	Effect of Heat Cycle in Multi-layer Welding on Charpy Absorbed Energy in Low and High Toughness Steel
著者	NRID 1000080273712 1000080273712 著者名 Sakino, Yoshihiro
著者	NRID 1000020144529 1000020144529 著者名 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.
出版者	大阪大学接合科学研究所
	オオサカダイガクセツゴウカガクケンキュウジョ
	Joining and Welding Research Institute, Osaka University
収録物名	Transactions of JWRI
巻(号)	40(2)
ページ	69-75
刊行年月	2011-12
言語	英語
ハンドルURL	https://hdl.handle.net/11094/10763
DOI	https://doi.org/10.18910/10763
PISSN	03874508
NCID	AA00867058
アクセス権	open access
出版タイプ	Version of Record
カテゴリ	紀要論文 Departmental Bulletin Paper
カテゴリ	Transactions of JWRI / Vol.40 No.2 (2011-12)

資源タイプ	紀要論文
ローカル資源タイプ	紀要論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	Transactions of JWRI. 2011, 40(2), p. 69-75
DC.title	Effect of Heat Cycle in Multi-layer Welding on Charpy Absorbed Energy in Low and High Toughness Steel
DC.creator	Sakino, Yoshihiro
DC.creator	Kim, You-Chul
DC.publisher	大阪大学接合科学研究所
	オオサカダイガクセツゴウカガクケンキュウジョ
	Joining and Welding Research Institute, Osaka University
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2011-12
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.
DC.identifier	10.18910/10763
DC.format	10763
citation_title	Effect of Heat Cycle in Multi-layer Welding on Charpy Absorbed Energy in Low and High Toughness Steel
citation_author	Sakino, Yoshihiro
citation_author	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_public_url	https://hdl.handle.net/11094/10763
citation_doi_detail	10.18910/10763
citation_doi	https://doi.org/10.18910/10763

Effect of Heat Cycle in Multi-layer Welding on Charpy Absorbed Energy in Low and High Toughness Steel

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