Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Fumihiko Yokoyama"'
Publikováno v:
Tribology Online, Vol 10, Iss 2, Pp 162-171 (2015)
Under severe bearing conditions, deposits form on the loaded part of bearing pads and if this happens excessively, it could lead to unacceptable rises in temperature and vibration. Deposits are mainly organic compounds, formed as oxidation by-product
Externí odkaz:
https://doaj.org/article/73fa60ac507b4aea911fc65f7bd6d8d8
Publikováno v:
Tribology Online, Vol 9, Iss 3, Pp 95-105 (2014)
Hard solid deposit formation has been inevitable problem in marine use turbocharger, and many engineers have struggled with it for years. It is due to low quality fuel, and the deposit results in the deterioration of the performance. In addition, the
Externí odkaz:
https://doaj.org/article/072f61152ff6482486dfa63c40e00c64
Autor:
Fumihiko Yokoyama, Yuka Iwama
Publikováno v:
Tribology Online, Vol 9, Iss 3, Pp 86-94 (2014)
In the compressor housing of a turbocharger with oil mist atmosphere, soft semi-solid deposit could be observed even at the lower temperatures below 200°C. Sticky or hard deposit at higher temperatures above 300°C is well-known, which can be demons
Externí odkaz:
https://doaj.org/article/75320fcd0765479aa82b0854c03cd71d
Autor:
Fumihiko Yokoyama, Yuka Iwama
Publikováno v:
Tribology Online, Vol 9, Iss 2, Pp 71-79 (2014)
While formation of deposits in machinery used under high temperature conditions is inevitable, it needs to be minimized as much as possible. Desorption of deposits, though rarely reported, also needs to be addressed, as it could cause secondary damag
Externí odkaz:
https://doaj.org/article/ac9e9e69e8ee44669a9d759b8a51ea3d
Publikováno v:
Tribology Online, Vol 5, Iss 1, Pp 27-32 (2010)
Ni-Cr alloy sliding tests in the atmosphere at 1000 °C which is higher than the temperatures used in the conventional research were carried out and observed the process in which glazed oxide layer is formed on the wear track. By the analysis of the
Externí odkaz:
https://doaj.org/article/5486c22dcb5d4103b0ec489198e2c87b
Autor:
Yukitaka Sugihara, Kazuki Matsukura, Kazuo Ogawa, Toshiyuki Yamada, Fumihiko Yokoyama, Kinya Kanai
Publikováno v:
Fish Pathology. 50:105-111
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7dc63dab378013f4524e37e1008f7a39
https://doi.org/10.3147/jsfp.50.105
https://doi.org/10.3147/jsfp.50.105
Autor:
Yuka Iwama, Fumihiko Yokoyama
Publikováno v:
Tribology Online, Vol 9, Iss 2, Pp 71-79 (2014)
While formation of deposits in machinery used under high temperature conditions is inevitable, it needs to be minimized as much as possible. Desorption of deposits, though rarely reported, also needs to be addressed, as it could cause secondary damag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef187f0acf54a9af442d461f1d761035
https://www.jstage.jst.go.jp/article/trol/9/2/9_71/_pdf/-char/en
https://www.jstage.jst.go.jp/article/trol/9/2/9_71/_pdf/-char/en
Publikováno v:
Tribology Online, Vol 9, Iss 3, Pp 95-105 (2014)
Hard solid deposit formation has been inevitable problem in marine use turbocharger, and many engineers have struggled with it for years. It is due to low quality fuel, and the deposit results in the deterioration of the performance. In addition, the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::08fe9fb6f8970126863386f842899824
https://doi.org/10.2474/trol.9.95
https://doi.org/10.2474/trol.9.95
Publikováno v:
TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C. 77:2455-2465
Sliding tests at 800°C in air of 25Cr-20Ni stainless steel (heat-resistant steel) and high silicon content stainless steel (high Si content steel) clarified that the high Si content steel has better tribological characteristics. Since work hardening
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1c02cf88eb22331b2af6179264fd76a
https://doi.org/10.1299/kikaic.77.2455
https://doi.org/10.1299/kikaic.77.2455
Autor:
Fumihiko Yokoyama, Ikuo Takami, Daichi Ayado, Jiro Miyahara, Hiroshi Yokoyama, Kazuki Matsukura, Kazuo Ogawa
Publikováno v:
Fish Pathology. 46:51-58
Infection dynamics of Microsporidium seriolae causing the beko disease of yellowtail Seriola quinqueradiata and amberjack S. dumerili were investigated at fish farms and an experimental facility. A 4-year survey (2006-2009) showed a sharp increase in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14fa8493b90eb329ef46376b5abfd850
https://doi.org/10.3147/jsfp.46.51
https://doi.org/10.3147/jsfp.46.51