Sound dissimilar linear friction welding of A7075-T6 Al and mild steel by simultaneous interfacial deformation using higher forging speed

Khan, Furkan; Miura, Takuya; Ito, Tetsuro; Morisada, Yoshiaki; Ushioda, Kohsaku; Fujii, Hidetoshi

doi:https://doi.org/10.1016/j.jmapro.2023.12.023

Sound dissimilar linear friction welding of A7075-T6 Al and mild steel by simultaneous interfacial deformation using higher forging speed

Khan, Furkan; Miura, Takuya; Ito, Tetsuro et al.

Journal of Manufacturing Processes, 2024, 109, 512-523

アクセス数:426件（2025-07-27 15:32 集計）

固定URL: https://hdl.handle.net/11094/93747

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タイトル	Sound dissimilar linear friction welding of A7075-T6 Al and mild steel by simultaneous interfacial deformation using higher forging speed
著者	著者名 Khan, Furkan
	NRID 1000060781466 1000060781466 ORCID 0000-0002-8991-5412 0000-0002-8991-5412 researchmap permalink miuratky miuratky Scopus Author ID 55162450300 55162450300 著者名 Miura, Takuya
	著者名 Ito, Tetsuro
	NRID 1000000416356 1000000416356 researchmap permalink morisada morisada 著者名 Morisada, Yoshiaki
	著者名 Ushioda, Kohsaku
	NRID 1000000247230 1000000247230 ORCID 0000-0002-5023-3844 0000-0002-5023-3844 researchmap permalink read0051741 read0051741 Scopus Author ID 7403071460 7403071460 著者名 Fujii, Hidetoshi
キーワード等	7075-T6 Al alloy
	Dissimilar welding
	Linear friction welding
	Mechanical properties
	Microstructure
	Steel
内容	Khan F., Miura T., Ito T., et al. Sound dissimilar linear friction welding of A7075-T6 Al and mild steel by simultaneous interfacial deformation using higher forging speed. Journal of Manufacturing Processes 109, 512 (2024); https://doi.org/10.1016/j.jmapro.2023.12.023.
抄録	Sound dissimilar welding of heat-treatable A7075-T6 aluminum and mild steel is extremely difficult due to the formation of interfacial cracks. The present study aims to attempt linear friction welding (LFW) of high-strength A7075-T6 Al alloy and mild steel to obtain sound joints with the highest strength ever by controlling the quality deteriorating phenomena that previous studies have faced. In this study, LFW joints were fabricated under two different applied pressures of 100 MPa and 300 MPa at a forging speed of 5 mm/s, along with various forging speeds ranging from 5 mm/s, 10 mm/s, to 20 mm/s under an applied pressure of 300 MPa, and the joint microstructure, mechanical properties and interface macrostructure were investigated. Furthermore, thermal dependence behaviors of both alloys were systematically investigated to optimize the processing parameters, especially applied pressure during LFW. At lower forging speeds of 5 mm/s and 10 mm/s, the weld defects and un-bonded regions were observed near the center of the weld accompanied by unevenness of butt surface due to the relatively thick intermetallic compound (IMC) formed in the interface which greatly influenced the joint strength. In contrast, at the higher forging speed of 20 mm/s, weld defects at the joint interface were effectively suppressed by promoting the simultaneous and uniform interfacial deformation of both alloys thanks to the extremely thin IMC during LFW. Consequently, a highly efficient joint with 100 % efficiency was successfully obtained at higher forging speed of 20 mm/s and despite the occurrence of softening towards A7075, the fabricated joint displayed a base metal fracture towards the steel side.
出版者	Elsevier Ltd
収録物名	Journal of Manufacturing Processes
巻(号)	109
ページ	512-523
刊行年月	2024-01-17
言語	英語
ハンドルURL	https://hdl.handle.net/11094/93747
PISSN	15266125
関連情報 (isVersionOf)	DOI (出版社版) https://doi.org/10.1016/j.jmapro.2023.12.023
アクセス権	embargoed access
権利情報	© 2023. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/
権利情報	The full-text file will be made open to the public on 17 January 2026 in accordance with the publisher's policy.
出版タイプ	Accepted Manuscript
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	Journal of Manufacturing Processes. 2024, 109, p. 512-523
DC.title	Sound dissimilar linear friction welding of A7075-T6 Al and mild steel by simultaneous interfacial deformation using higher forging speed
DC.creator	Khan, Furkan
	Miura, Takuya
	Ito, Tetsuro
	Morisada, Yoshiaki
	Ushioda, Kohsaku
	Fujii, Hidetoshi
DC.publisher	Elsevier Ltd
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2024-01-17
DC.identifier	https://doi.org/10.1016/j.jmapro.2023.12.023
DC.subject	7075-T6 Al alloy
	Dissimilar welding
	Linear friction welding
	Mechanical properties
	Microstructure
	Steel
DC.description	Khan F., Miura T., Ito T., et al. Sound dissimilar linear friction welding of A7075-T6 Al and mild steel by simultaneous interfacial deformation using higher forging speed. Journal of Manufacturing Processes 109, 512 (2024); https://doi.org/10.1016/j.jmapro.2023.12.023.
DCTERMS.abstract	Sound dissimilar welding of heat-treatable A7075-T6 aluminum and mild steel is extremely difficult due to the formation of interfacial cracks. The present study aims to attempt linear friction welding (LFW) of high-strength A7075-T6 Al alloy and mild steel to obtain sound joints with the highest strength ever by controlling the quality deteriorating phenomena that previous studies have faced. In this study, LFW joints were fabricated under two different applied pressures of 100 MPa and 300 MPa at a forging speed of 5 mm/s, along with various forging speeds ranging from 5 mm/s, 10 mm/s, to 20 mm/s under an applied pressure of 300 MPa, and the joint microstructure, mechanical properties and interface macrostructure were investigated. Furthermore, thermal dependence behaviors of both alloys were systematically investigated to optimize the processing parameters, especially applied pressure during LFW. At lower forging speeds of 5 mm/s and 10 mm/s, the weld defects and un-bonded regions were observed near the center of the weld accompanied by unevenness of butt surface due to the relatively thick intermetallic compound (IMC) formed in the interface which greatly influenced the joint strength. In contrast, at the higher forging speed of 20 mm/s, weld defects at the joint interface were effectively suppressed by promoting the simultaneous and uniform interfacial deformation of both alloys thanks to the extremely thin IMC during LFW. Consequently, a highly efficient joint with 100 % efficiency was successfully obtained at higher forging speed of 20 mm/s and despite the occurrence of softening towards A7075, the fabricated joint displayed a base metal fracture towards the steel side.
DC.rights	© 2023. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/
DC.rights	The full-text file will be made open to the public on 17 January 2026 in accordance with the publisher's policy.
DC.format	93747
citation_title	Sound dissimilar linear friction welding of A7075-T6 Al and mild steel by simultaneous interfacial deformation using higher forging speed
citation_author	Khan, Furkan
	Miura, Takuya
	Ito, Tetsuro
	Morisada, Yoshiaki
	Ushioda, Kohsaku
	Fujii, Hidetoshi
citation_publisher	Elsevier Ltd
citation_language	英語
citation_date	2024-01-17
citation_journal_title	Journal of Manufacturing Processes
citation_volume	109
citation_firstpage	512
citation_lastpage	523
citation_doi	https://doi.org/10.1016/j.jmapro.2023.12.023
citation_public_url	https://hdl.handle.net/11094/93747

Sound dissimilar linear friction welding of A7075-T6 Al and mild steel by simultaneous interfacial deformation using higher forging speed

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