Mechanical Characteristics of Hot Extruded Non-Combustible Magnesium Alloy using Water Atomized Powder

Elsayed, Ayman; Kondoh, Katsuyoshi; コンドウ, カツヨシ; Imai, Hisashi; イマイ, ヒサシ; Umeda, Junko; ウメダ, ジュンコ; Kawakami, Masashi; カワカミ, マサシ

doi:https://doi.org/10.18910/4489

このアイテムのアクセス数:179件（2023-12-03 00:25 集計）

このアイテムへのリンクには次のURLをご利用ください: https://doi.org/10.18910/4489

このアイテムへのリンクには次のURLをご利用ください: https://hdl.handle.net/11094/4489

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jwri37_02_043	pdf	なし	2.39 MB	159	2012.09.22

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タイトル	Mechanical Characteristics of Hot Extruded Non-Combustible Magnesium Alloy using Water Atomized Powder
著者	著者名 Elsayed, Ayman
	NRID 1000050345138 1000050345138 researchmap permalink kondoh kondoh Scopus Author ID 9942942300 9942942300 著者名 Kondoh, Katsuyoshi ; コンドウ, カツヨシ
	NRID 1000030452379 1000030452379 著者名 Imai, Hisashi ; イマイ, ヒサシ
	NRID 1000050345162 1000050345162 ORCID 0000-0001-5889-0657 0000-0001-5889-0657 researchmap permalink umeda umeda Scopus Author ID 23478776500 23478776500 著者名 Umeda, Junko ; ウメダ, ジュンコ
	著者名 Kawakami, Masashi ; カワカミ, マサシ
キーワード等	Rapidly solidification
	Magnesium alloy powder
	Al₂Ca
	Hot extrusion
	Water atomization
抄録	SWAP (Spinning Water Atomization Process), is one of the rapid solidification processes which promises to produce coarse non-combustible magnesium alloy powder with 1~4mm length, having fine α-Mg grains and Al₂Ca intermetallic compounds. AMX602 (Mg-6%Al-0.5%Mn-2%Ca) powders were compacted at room temperature. Their green compacts with a relative density of about 85% were heated at 573-673 K for 300s in Ar gas atmosphere, and immediately consolidated by hot extrusion. Microstructure observation and evaluation of mechanical properties of the extruded AMX602 alloys were carried out. The uniform and fine microstructures with grains less than 0.45~0.8 μm from dynamic recrystallization during hot extrusion were observed, and were much smaller compared to the extruded AMX602 alloy fabricated by using cast ingots. The extremely fine intermetallic compounds 200~500 nm diameter were uniformly distributed in the matrix of powder metallurgy (P/M) extruded alloys. These microstructures produced excellent mechanical properties in the wrought alloys. For example, in the case of AMX602 alloys extruded at 573K, the tensile strength (TS) of 447 MPa, yield stress (YS) of 425 MPa and 9.6% elongation were obtained.
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)	37(2)
ページ	43-49
刊行年月	2008-12
言語	英語
ハンドルURL	https://hdl.handle.net/11094/4489
DOI	https://doi.org/10.18910/4489
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.37 No.2 (2008-12)

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. 2008, 37(2), p. 43-49
DC.title	Mechanical Characteristics of Hot Extruded Non-Combustible Magnesium Alloy using Water Atomized Powder
DC.creator	Elsayed, Ayman
	Kondoh, Katsuyoshi
	コンドウ, カツヨシ
	Imai, Hisashi
	イマイ, ヒサシ
	Umeda, Junko
	ウメダ, ジュンコ
	Kawakami, Masashi
	カワカミ, マサシ
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	2008-12
DC.subject	Rapidly solidification
	Magnesium alloy powder
	Al₂Ca
	Hot extrusion
	Water atomization
DCTERMS.abstract	SWAP (Spinning Water Atomization Process), is one of the rapid solidification processes which promises to produce coarse non-combustible magnesium alloy powder with 1~4mm length, having fine α-Mg grains and Al₂Ca intermetallic compounds. AMX602 (Mg-6%Al-0.5%Mn-2%Ca) powders were compacted at room temperature. Their green compacts with a relative density of about 85% were heated at 573-673 K for 300s in Ar gas atmosphere, and immediately consolidated by hot extrusion. Microstructure observation and evaluation of mechanical properties of the extruded AMX602 alloys were carried out. The uniform and fine microstructures with grains less than 0.45~0.8 μm from dynamic recrystallization during hot extrusion were observed, and were much smaller compared to the extruded AMX602 alloy fabricated by using cast ingots. The extremely fine intermetallic compounds 200~500 nm diameter were uniformly distributed in the matrix of powder metallurgy (P/M) extruded alloys. These microstructures produced excellent mechanical properties in the wrought alloys. For example, in the case of AMX602 alloys extruded at 573K, the tensile strength (TS) of 447 MPa, yield stress (YS) of 425 MPa and 9.6% elongation were obtained.
DC.identifier	10.18910/4489
DC.format	application/pdf
citation_doi	https://doi.org/10.18910/4489
citation_title	Mechanical Characteristics of Hot Extruded Non-Combustible Magnesium Alloy using Water Atomized Powder
citation_author	Elsayed, Ayman
	Kondoh, Katsuyoshi
	コンドウ, カツヨシ
	Imai, Hisashi
	イマイ, ヒサシ
	Umeda, Junko
	ウメダ, ジュンコ
	Kawakami, Masashi
	カワカミ, マサシ
citation_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
citation_language	英語
citation_date	2008-12
citation_journal_title	Transactions of JWRI
citation_volume	37
citation_issue	2
citation_firstpage	43
citation_lastpage	49
citation_public_url	https://hdl.handle.net/11094/4489
citation_doi_detail	10.18910/4489

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