Výsledky vyhledávání - "Toshikazu Shimoyama"

The Characteristics of Fatigue Crack Propagation in the High Tensile Strength Sintered Steels

Autor: Toshikazu Shimoyama, Nobuyasu Kawai, Kazuyuki Yamaguchi, Atsushi Iwata

Publikováno v: Journal of the Japan Society of Powder and Powder Metallurgy. 50:780-784

Fatigue crack propagation behavior was investigated for high tensile sintered steels of about 1000MPa level.It was made clear that the diffusion bonded steel was most excellent as for the fatigue crack propagation behavior. The difference of fatigue

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1c66dbd6bc021a9447f980a523428e4d
https://doi.org/10.2497/jjspm.50.780

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A Study on Fatigue Crack Propagation Behavior of Silicon Nitride Ceramics Using a Fracture Mechanics Fatigue Test

Autor: Toshikazu Shimoyama, Katutoshi Endo, Toyokazu Kanemoto, Toru Goto, Makoto Kikukawa

Publikováno v: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A. 66:776-782

Fatigue crack propagation tests of silicon nitride were conducted under constant Kmax and constant stress ratio R using double eccentric pulsating compressive loading at room temperature. The crack propagation rate da/dN could be expressed as a funct

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4d7a13e5183cd2f423800b7d8688297e
https://doi.org/10.1299/kikaia.66.776

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Fatigue. Fracture Mechanics Fatigue Testing Technique for Measuring Stable Crack Growth in Ceramics at Very High Temperatures

Autor: Kazutaka Torimoto, Kenji Satoh, Toshikazu Shimoyama, Makoto Kikukawa

Publikováno v: Journal of the Society of Materials Science, Japan. 46:1189-1196

The fracture mechanics fatigue testing technique for ceramics which had been developed by the authors was examined to improve the dynamic instability caused by relaxation of crack tip stress concentration at high temperatures. Double eccentric pulsat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2107eb9d9b18f5f37b93673d3f95355f
https://doi.org/10.2472/jsms.46.1189

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Material Characteristics and Cutting Performance of TiN-Al2O3 Ceramic Tool

Autor: Hidehiko Tsukamoto, Toshikazu Shimoyama, Hideo Tsunoda, Tetsuo Ichikizaki, Tsuneo Egawa

Publikováno v: Journal of the Japan Society for Precision Engineering. 60:1470-1474

With the objective of producing a ceramic tool for hardened steel cutting that is 10% the price of cBN sintered tool but with equal cutting performance, a TiN-Al2O3 ceramic tool was developed in which Al2O3 particles are dispersed throughout a matrix

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f2074a14bcc46b12fa4e60ef13a92d01
https://doi.org/10.2493/jjspe.60.1470

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Cutting Performance Improvement of cBN Tools Made of TiN Coated cBN Particles

Autor: Toshikazu Shimoyama, Yasuhiro Fukaya, Tsuneo Egawa, Hideo Tsunoda, Tetsuo Ichikizaki

Publikováno v: Journal of the Japan Society for Precision Engineering. 59:1997-2002

Causes of flank wear are examined first. As a result of examination, it is realized that the elongation of duration untill cBN particles fall off from ceramics binder is effective to improve the wear resistance. By way of extending the duration time,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::50d1e5b7b6414988055e1519b01c7aaa
https://doi.org/10.2493/jjspe.59.1997

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