Laser Direct Joining of CFRP to Metal or Engineering Plastic

Jung, Kwang-Woon; Kawahito, Yousuke; Katayama, Seiji

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タイトル	Laser Direct Joining of CFRP to Metal or Engineering Plastic
著者	Jung, Kwang-Woon Jung, Kwang-Woon
	Kawahito, Yousuke Kawahito, Yousuke
	Katayama, Seiji Katayama, Seiji
キーワード等	Laser joining
	Diode laser
	Zinc-coated steel
	PA plastic
	high tensile strength
	nanometer zinc oxide film
	PA plastic elongation
抄録	This study was performed to investigate the joining possibilities, strengths (loads,) and mechanisms of the joint between 3 mm thick CFRP (PA6) and 0.7 mm thick zinc-coated steel or 2 mm thick amorphous polyamide (PA) plastic using a continuous wave (cw) diode laser with a line-shaped beam. The results revealed that strong lap joints with the tensile shear load of 3300 N between CFRP and zinc-coated steel could be produced, and many bubbles of sub-millimeter sizes inside the wide shallow melted zone of CFRP near the joint interface were formed. Also, the joint was tightly bonded on atomic or molecular sized levels between the melted plastic and nanometer thick zinc oxide film on the surface of zinc-coated steel. On the other hand, in the case of laser joining of CFRP to amorphous PA plastic, the PA matrix plastic in the CFRP and the amorphous PA plastic at the joint interface were melted and tightly bonded without gap between two materials, and the amorphous PA plastic of the joints was elongated without fracture.
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	42
号	2
開始ページ	5
終了ページ	8
刊行年月	2013-12
ISSN	03874508
NCID	AA00867058
URL	http://hdl.handle.net/11094/27402
言語	英語

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.42(2) P.5-P.8
DC.title	Laser Direct Joining of CFRP to Metal or Engineering Plastic
DC.creator	Jung, Kwang-Woon
	Kawahito, Yousuke
	Katayama, Seiji
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	2013-12
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/27402
DC.subject	Laser joining
	Diode laser
	Zinc-coated steel
	PA plastic
	high tensile strength
	nanometer zinc oxide film
	PA plastic elongation
DCTERMS.abstract	This study was performed to investigate the joining possibilities, strengths (loads,) and mechanisms of the joint between 3 mm thick CFRP (PA6) and 0.7 mm thick zinc-coated steel or 2 mm thick amorphous polyamide (PA) plastic using a continuous wave (cw) diode laser with a line-shaped beam. The results revealed that strong lap joints with the tensile shear load of 3300 N between CFRP and zinc-coated steel could be produced, and many bubbles of sub-millimeter sizes inside the wide shallow melted zone of CFRP near the joint interface were formed. Also, the joint was tightly bonded on atomic or molecular sized levels between the melted plastic and nanometer thick zinc oxide film on the surface of zinc-coated steel. On the other hand, in the case of laser joining of CFRP to amorphous PA plastic, the PA matrix plastic in the CFRP and the amorphous PA plastic at the joint interface were melted and tightly bonded without gap between two materials, and the amorphous PA plastic of the joints was elongated without fracture.
citation_title	Laser Direct Joining of CFRP to Metal or Engineering Plastic
citation_author	Jung, Kwang-Woon
	Kawahito, Yousuke
	Katayama, Seiji
citation_publisher	大阪大学接合科学研究所
citation_language	英語
citation_date	2013-12
citation_journal_title	Transactions of JWRI
citation_volume	42
citation_issue	2
citation_firstpage	5
citation_lastpage	8
citation_issn	03874508
citation_public_url	http://hdl.handle.net/11094/27402
citation_keywords	Laser joining
	Diode laser
	Zinc-coated steel
	PA plastic
	high tensile strength
	nanometer zinc oxide film
	PA plastic elongation

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