Dissimilar Joining of Magnesium Alloy and Steel by Resistance Spot Welding

Miyamoto, Kenji; Nakagawa, Shigeyuki; Iwatani, Shingo; Hojo, Shinji; Tachibana, Takahiro; Ogura, Tomo; Hirose, Akio; Kobayashi, Kojiro

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タイトル	Dissimilar Joining of Magnesium Alloy and Steel by Resistance Spot Welding
著者	Miyamoto, Kenji Miyamoto, Kenji
	Nakagawa, Shigeyuki Nakagawa, Shigeyuki
	Iwatani, Shingo Iwatani, Shingo
	Hojo, Shinji Hojo, Shinji
	Tachibana, Takahiro Tachibana, Takahiro
	Ogura, Tomo Ogura, Tomo
	Hirose, Akio Hirose, Akio
	Kobayashi, Kojiro Kobayashi, Kojiro
キーワード等	Materials
	Magnesium Alloy
	Steel
	Dissimilar Joining
	Resistance Spot Welding
抄録	Recently, there are strong demands for light-weight, fuel efficient cars. An effective joining technique to join light metals, such as Al and Mg alloys, with steel is required. Mg alloy and steel are especially difficult pair of metals to join. Due to not only Mg alloy's surface oxide, but also their complete phase separation nature, Mg alloy and steel do not form an intermetallic at the joint interface. We aimed to join Mg alloy and steel by using Mg-Zn eutectic reaction, Zn layer was inserted between Mg alloy and steel as plating on steel. A conventional resistance spot welding machine was used, and joint strength was evaluated by tensile strength tests. It was found that Mg alloy surface oxide are removed along with eutectic melt at low temperature, and at the same time, thin and uniform intermetallic layer of Fe-Al and Al-Mg were formed at the joint interface.
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	WSE2011
開始ページ	33
終了ページ	35
刊行年月	2012-03
ISSN	03874508
NCID	AA00867058
URL	http://hdl.handle.net/11094/23065
言語	英語
カテゴリ	紀要論文 Departmental Bulletin Paper
カテゴリ	Transactions of JWRI / Special Issue on Welding science and Engineering (WSE2011)

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.WSE2011 P.33-P.35
DC.title	Dissimilar Joining of Magnesium Alloy and Steel by Resistance Spot Welding
DC.creator	Miyamoto, Kenji
	Nakagawa, Shigeyuki
	Iwatani, Shingo
	Hojo, Shinji
	Tachibana, Takahiro
	Ogura, Tomo
	Hirose, Akio
	Kobayashi, Kojiro
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	2012-03
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/23065
DC.subject	Materials
	Magnesium Alloy
	Steel
	Dissimilar Joining
	Resistance Spot Welding
DCTERMS.abstract	Recently, there are strong demands for light-weight, fuel efficient cars. An effective joining technique to join light metals, such as Al and Mg alloys, with steel is required. Mg alloy and steel are especially difficult pair of metals to join. Due to not only Mg alloy's surface oxide, but also their complete phase separation nature, Mg alloy and steel do not form an intermetallic at the joint interface. We aimed to join Mg alloy and steel by using Mg-Zn eutectic reaction, Zn layer was inserted between Mg alloy and steel as plating on steel. A conventional resistance spot welding machine was used, and joint strength was evaluated by tensile strength tests. It was found that Mg alloy surface oxide are removed along with eutectic melt at low temperature, and at the same time, thin and uniform intermetallic layer of Fe-Al and Al-Mg were formed at the joint interface.
citation_title	Dissimilar Joining of Magnesium Alloy and Steel by Resistance Spot Welding
citation_author	Miyamoto, Kenji
	Nakagawa, Shigeyuki
	Iwatani, Shingo
	Hojo, Shinji
	Tachibana, Takahiro
	Ogura, Tomo
	Hirose, Akio
	Kobayashi, Kojiro
citation_publisher	大阪大学接合科学研究所
citation_language	英語
citation_date	2012-03
citation_journal_title	Transactions of JWRI
citation_volume	WSE2011
citation_firstpage	33
citation_lastpage	35
citation_issn	03874508
citation_public_url	http://hdl.handle.net/11094/23065
citation_keywords	Materials
	Magnesium Alloy
	Steel
	Dissimilar Joining
	Resistance Spot Welding

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