Výsledky vyhledávání - "Yasutomo Sone"

Recent Trends in Research and Development into Materials Technology for Railways

Autor: Yasutomo Sone

Publikováno v: Quarterly Report of RTRI. 57:5-9

Innovation in railway technology can be achieved through progress in material technology, in terms of the development of the materials themselves, manufacturing processes, higher reliability, etc. Developing material technology is therefore essential

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e92e5292c3eff6706311cc686fe2555a
https://doi.org/10.2219/rtriqr.57.1_5

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Assessment of lubricant applied to wheel/rail interface in curves

Autor: Yasutomo Sone, S. Fukagai, Akira Namura, Hua Chen, Takumi Ban

Publikováno v: Wear. 314:228-235

Lubrication between wheel and rail in curves is generally known to decrease the friction between wheel and rail, resulting in the reduction of wear of wheel flange and rail gauge corner in high rail, corrugation growth in low rail and noise generatio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe40ba7ef43e3ae7d223a17f710894e5
https://doi.org/10.1016/j.wear.2013.12.006

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Long-life Gear Oils for Electric Railway Trains

Autor: Mitsugu Kudo, Yasutomo Sone, Masatoshi Toda, Junichi Suzumura, Sadayuki Kikawa, Kazuo Nakamura

Publikováno v: Quarterly Report of RTRI. 55:229-234

A long-life gear oil for electric railway trains was developed to reduce the workload and cost of gear unit maintenance. A semi-synthetic base oil, a mixture of polyalphaolefin (PAO) and highly purified mineral oil, was used in the developed gear oil

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d3a3cd3e59f2d46020763d00ca000883
https://doi.org/10.2219/rtriqr.55.229

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Effects on braking distance from the use of traction fluid as a wheel/rail lubricant

Autor: Junichi Suzumura, Makoto Ishida, Yoshitaka Tamoto, Yasutomo Sone, Hidetoshi Koga, Toshihiko Sasaki, Hiro-o Yamazaki

Publikováno v: Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit. 229:89-96

Mineral oil and other lubricants are commonly applied to the gauge corner of high rails to avoid wheel/rail interface wear on railways. Although not directly applied to the top of the rail, these lubricants sometimes end up on this surface, and the r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::19e14d7909f6fe6993ead221be64f53b
https://doi.org/10.1177/0954409713502954

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In Situ Analytical Method of Interfacial Substances between Wheel and Rail

Autor: Yoshiyuki Nakajima, Junichi Suzumura, Daisuke Yamashita, Yasutomo Sone, Atsushi Ishizaki

Publikováno v: Quarterly Report of RTRI. 54:177-182

In this paper, the authors describe experimental investigations of in situ X-ray analysis of interfacial substances between the wheel and the rail. These substances, including iron rust and lubricants, can impact the adhesion coefficient between whee

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7965b827dea86192e549d812aace9e2f
https://doi.org/10.2219/rtriqr.54.177

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Determination of Shearing Stresses (τxz and τyz) Using X-Ray Diffraction Method with Two-Dimensional Detector

Autor: Toshihiko Sasaki, Yasutomo Sone, Junichi Akita, Yuichi Kobayashi

Publikováno v: Materials Science Forum. :1719-1724

Measurement of shearing stresses, τxzand τyz, by X-ray diffraction technique with two-dimensional detector was studied. The principle which was developed for an area detector type X-ray triaxial stress analysis was adopted for this purpose. In the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eeee5ae92e27d5be9115abf6b6ea3876
https://doi.org/10.4028/www.scientific.net/msf.706-709.1719

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