Deep Penetration Welding with High-Power Laser under Vacuum

Katayama, Seiji; Abe, Yohei; Mizutani, Masami; Kawahito, Yousuke

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タイトル	Deep Penetration Welding with High-Power Laser under Vacuum
著者	Katayama, Seiji Katayama, Seiji
	Abe, Yohei Abe, Yohei
	Mizutani, Masami Mizutani, Masami
	Kawahito, Yousuke Kawahito, Yousuke
キーワード等	Laser welding
	High power laser
	Disk laser
	Deep penetration
	Stainless steel
	Aluminum alloy
	Welding phenomena
抄録	The authors have developed a new chamber for laser welding under the low vacuum conditions achieved by using rotary pumps. High-power disk laser bead-on-plate welding was performed on Type 304 stainless steel and A5052 aluminum alloy plate at the powers of 10, 16 and 26 kW at various welding speeds under low vacuum. Sound welds of more than 50 and 70 mm in penetration depth could be produced in Type 304 at the pressure of 0.1 kPa, the speed of 0.3 m/min and the power of 16 kW and 26 kW, respectively. Similar penetration was achieved in A5052 aluminum alloy. Welding phenomena under low vacuum were also examined by observing the behavior of a keyhole inlet, a molten pool, melt flows and a plume ejected from a keyhole using high speed video cameras. Low interaction between a laser beam and a plume under low vacuum was confirmed by using the probe laser beam method.
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	1
開始ページ	15
終了ページ	19
刊行年月	2011-06
ISSN	03874508
NCID	AA00867058
URL	http://hdl.handle.net/11094/8199
言語	英語
カテゴリ	紀要論文 Departmental Bulletin Paper
カテゴリ	Transactions of JWRI / Vol.40 No.1 (2011-06)

著者版フラグ	publisher
NII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.40(1) P.15-P.19
DC.title	Deep Penetration Welding with High-Power Laser under Vacuum
DC.creator	Katayama, Seiji
	Abe, Yohei
	Mizutani, Masami
	Kawahito, Yousuke
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	2011-06
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/8199
DC.subject	Laser welding
	High power laser
	Disk laser
	Deep penetration
	Stainless steel
	Aluminum alloy
	Welding phenomena
DCTERMS.abstract	The authors have developed a new chamber for laser welding under the low vacuum conditions achieved by using rotary pumps. High-power disk laser bead-on-plate welding was performed on Type 304 stainless steel and A5052 aluminum alloy plate at the powers of 10, 16 and 26 kW at various welding speeds under low vacuum. Sound welds of more than 50 and 70 mm in penetration depth could be produced in Type 304 at the pressure of 0.1 kPa, the speed of 0.3 m/min and the power of 16 kW and 26 kW, respectively. Similar penetration was achieved in A5052 aluminum alloy. Welding phenomena under low vacuum were also examined by observing the behavior of a keyhole inlet, a molten pool, melt flows and a plume ejected from a keyhole using high speed video cameras. Low interaction between a laser beam and a plume under low vacuum was confirmed by using the probe laser beam method.
citation_title	Deep Penetration Welding with High-Power Laser under Vacuum
citation_author	Katayama, Seiji
	Abe, Yohei
	Mizutani, Masami
	Kawahito, Yousuke
citation_publisher	大阪大学接合科学研究所
citation_language	英語
citation_date	2011-06
citation_journal_title	Transactions of JWRI
citation_volume	40
citation_issue	1
citation_firstpage	15
citation_lastpage	19
citation_issn	03874508
citation_public_url	http://hdl.handle.net/11094/8199
citation_keywords	Laser welding
	High power laser
	Disk laser
	Deep penetration
	Stainless steel
	Aluminum alloy
	Welding phenomena

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