Zobrazeno 1 - 10 of 14 pro vyhledávání: '"Kohji Takazawa"'
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Akademický článek
A study on the inverse analysis of body force dipole (A proposal of shear type body force dipole for more accurate description of residual stress)
Autor: Masayuki ASANO, Shinichi IKEDA, Kohji TAKAZAWA
Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 82, Iss 837, Pp 15-00080-15-00080 (2016)
The present work proposes the shear type body force dipole (BFD) in addition to the normal type to simulate residual stress fields more properly. Expressions for the displacements and stresses induced by the BFD are derived and formulated in the boun
Externí odkaz: https://doaj.org/article/c7c998060c4c4bc891ef8e225b932355
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4
Formation of Complex Carbide in TIG Welded Joints of WC-Co Hard Metal and Carbon Steel
Autor: Shuichi Kamota, Kohsuke Tagashira, Hideaki Yamamori, De Xin Yang, Yasuki Miyakoshi, Kohji Takazawa, Xiujuan Zhao
Publikováno v: Journal of the Japan Institute of Metals. 68:98-101
The formation of complex carbides in the interface between hard metal and bead has been investigated in Tungsten Inert Gas welded joints of WC-Co hard metal and carbon steel. This welding process is expected to be a new bonding method of hard metals
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::215067c39bbef71b3ea6341047dfb256
https://doi.org/10.2320/jinstmet.68.98
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6
Effect of Carbon Addition on Mechanical Properties of WC-37mass%Fe Alloy
Autor: Kohsuke Tagashira, Hidenori Takahashi, Shuichi Kamota, Yasuki Miyakoshi, Kohji Takazawa
Publikováno v: Journal of the Japan Society of Powder and Powder Metallurgy. 49:183-188
The effect of carbon addition on microstructure and mechanical properties of WC-37mass%Fe sintered alloys has been investigated. These alloys are expected to be used instead of WC-Co alloys as stress relief layer materials for the sinter-bonding meth
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::184c8a5d8574c16bc0407a5acb750c94
https://doi.org/10.2497/jjspm.49.183
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7
WC-Fe Alloys as Stress Relief Layer Materials for Sinter-Bonding between Cemented Carbides and Steels
Autor: Kohsuke Tagashira, Kohji Takazawa, Hidenori Takahashi, Kamota Shuichi, Yasuki Miyakoshi
Publikováno v: Journal of the Japan Society of Powder and Powder Metallurgy. 45:1111-1115
The applicability of sintered WC-Fe alloys as stress relief layer materials for the sinter-bonding method of cemented carbide and carbon steel has been basically discussed. The structure and mechanical properties of sintered WC-(20-40mass%)Fe alloy c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d0301ba5fb2a42ad46d4df9b97c42cdc
https://doi.org/10.2497/jjspm.45.1111
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8
The Formation and Decomposition of Cu-C Pairs in Quench-aged Fe-C-Cu Alloys
Autor: Kohji Takazawa, Kohsuke Tagashira
Publikováno v: ISIJ International. 38:875-880
The formation and decomposition of Cu-C pairs in alpha-irons have been discussed in quench-aged Fe-C-Cu alloys which are five kinds of cold-drawn low carbon steel wires of 0.65 mm diameter containing copper from 0.00 to 0.55 mass%. These specimens we
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::63a3b22f875919a89075d23bcc995d3c
https://doi.org/10.2355/isijinternational.38.875
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