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Title: Al-Cu二元系の純金属混合圧粉体の固相焼結中の組織と強度の変化
Other Titles: Changes in microstructure and mechanical properties during solid sintering of Al-Cu binary mixed powder compact
Authors: 松浦, 清隆1 Browse this author →KAKEN DB
大参, 達也2 Browse this author →KAKEN DB
伊藤, 洋一3 Browse this author
工藤, 昌行4 Browse this author
田中, 大史5 Browse this author
Authors(alt): Matsuura, Kiyotaka1
Ohmi, Tatsuya2
Itoh, Youichi3
Kudoh, Masayuki4
Tanaka, Daishi5
Keywords: powder metalurgy
mechanical properties
intermetallic compound
Al-Cu system
Issue Date: 30-Mar-1995
Publisher: 軽金属学会
Journal Title: 軽金属
Journal Title(alt): Journal of Japan Institute of Light Metals
Volume: 45
Issue: 3
Start Page: 144
End Page: 149
Publisher DOI: 10.2464/jilm.45.144
Abstract: Five phases of intermetallic compounds such as γ1, δ, ζ2, η2 and θ are formed in a lamellar manner at the Cu/Al interface. As the compounds grow, the copper phase shrinks in a parabolic manner. The parabolic rate constant is described as: k=11800 exp (-68400/RT). The hardness of the mixed powder compact increases with sintering time, and the degree of the increment becomes remarkably high as the copper content increases from 5 to 71mass%. The tensile strength of the compact increases with sintering time when the copper content is low, while it decreases when the copper content is high. The area reduction of the compact decreases at the beginning of sintering, but it recovers gradually with time when the copper content is low. The density of the compact decreases with sintering time.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 松浦 清隆

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