Zobrazeno 1 - 10 of 59 pro vyhledávání: '"Keiyu Nakagawa"'
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Effects of Surface Structure and Hydrogen on the Fatigue Strength of Electroless Nickel-Phosphorus Plated Al-2%Cu Alloy
Autor: Makoto Hino, Norihito Nagata, Teruto Kanadani, Keiyu Nakagawa, Keitaro Horikawa
Publikováno v: Materials Science Forum. 941:1821-1826
In this study, the effect of the surface structure and hydrogen on the fatigue strength of electroless Ni-P plated Al-2%Cu alloy was investigated. As the results, the following points were clarified. Large precipitates were recognized near the specim
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a720e942b9f0f70b37650379b3ea9c34
https://doi.org/10.4028/www.scientific.net/msf.941.1821
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4
Effect of Electroless Ni-P Plating on Mechanical Properties of Al-4%Ge Alloy
Autor: Keitaro Horikawa, Koji Murakami, Minoru Fukuhara, Norihito Nagata, Keiyu Nakagawa, Makoto Hino, Teruto Kanadani
Publikováno v: Materials Science Forum. 879:897-902
In this study, the effect of electroless Ni-P plating on the mechanical properties of Al-4%Ge alloy was investigated. As the results, the following points were clarified. (i) Tensile strength of the specimen subjected to the Ni-P plating after aging
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4f33b40cb5b0ed31c513f6cd38f7f28
https://doi.org/10.4028/www.scientific.net/msf.879.897
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6
Effect of Electroless Ni-P Plating on the Mechanical Properties of Al-4%Ge Alloy
Autor: Kouji Murakami, Keiyu Nakagawa, Keitaro Horikawa, Teruto Kanadani, Minoru Fukuhara, Makoto Hino, Norihito Nagata
Publikováno v: Journal of the Japan Institute of Metals. 79:146-150
1Department of Mechanical Systems Engineering, Faculty of Engineering, Okayama University of Science, Okayama 7000005 2Department of Mechanical Science and Bioengineering, Graduate School of Engineering Science, Osaka University, Toyonaka 56085
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0577afe5c0af8ad773bd74c0bd94eab5
https://doi.org/10.2320/jinstmet.jc201413
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7
Serration and Reversion Treatment in Al-Zn Alloys
Autor: Teruto Kanadani, Keiyu Nakagawa, Koji Murakami, Makoto Hino, Norihito Nagata
Publikováno v: Materials Science Forum. :1175-1180
Aging phenomena of Al-Zn alloys have been much investigated and many studies have been made on the change of mechanical properties on aging. Appearance of saw-tooth yielding (serration) in the stress-strain curve of tensile deformation has been repor
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eec74f9faa2a265838b43b71d39db873
https://doi.org/10.4028/www.scientific.net/msf.794-796.1175
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8
Effect of Surface and Grain Boundary on the Reversion of Al-Zn Alloys
Autor: Keiyu Nakagawa, Teruto Kanadani
Publikováno v: Materials Science Forum. :1211-1216
Age-hardening of Al-Zn alloy after quenching develops inhomogeneously due to the effect of surface as a vacancy sink and grain boundary as an easy path. In this study, reversion of the age-hardened Al-Zn alloys, in which ellipsoidal GP zones were for
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c6c9ef82937c61d9052744f3ea74f87d
https://doi.org/10.4028/www.scientific.net/msf.794-796.1211
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9
Effect of Heat Treatment Conditions and Small Addition of Cu on Occurrence of Serration in Al-Si Alloys
Autor: Keiyu Nakagawa, Koji Murakami, Norihito Nagata, Teruto Kanadani, Makoto Hino
Publikováno v: Materials Science Forum. :180-185
In this study, the effect of heat treatment conditions and small addition of Cu on occurrence of serration in Al-Si alloys was investigated. Specimens were aged for various times up to 87ks at 273K or 473K after quenching from 853K, and tensile-teste
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2eb96e5c33ae8c392968765e99711c5c
https://doi.org/10.4028/www.scientific.net/msf.783-786.180
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10
Aging Behavior of Ultra-Fine Grained Al–0.5%Si–0.5%Ge Alloy Fabricated by ARB Process
Autor: Toshihiko Nakano, Daisuke Terada, Khairul Nizam, Nobuhiro Tsuji, Keiyu Nakagawa, Teruto Kanadani
Publikováno v: MATERIALS TRANSACTIONS. 55:249-254
The aging behavior of ultrafine-grained (UFGed) Al­0.5%Si­0.5%Ge alloy fabricated using six-cycle accumulative roll-bonding (ARB) processing has been investigated using Vickers hardness measurement and TEM observation. The hardness of UFGed alloy b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0306675f7a489e57ee8e341b00c92138
https://doi.org/10.2320/matertrans.l-m2013842
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