Papers - UMEHARA, Noritsugu

Proposals of high frictional and low aggressive abrasion Reviewed

Miho SUMIGAMA, Noritsugu UMEHARA, Takayuki TOKOROYAMA and Hiroyuki KOUSAKA

  Vol. 80 ( 811 ) page： SMM0038   2014.3

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Language：Japanese   Publishing type：Research paper (scientific journal)  

DOI： 10.1299/transjsme.2014smm0038

Tribological behaviors of tetrahedral amorphous carbon (ta-C) coatings at elevated temperature Reviewed

Xingrui Deng, Hiroyuki Kousaka, Takayuki Tokoroyama, Noritsugu Umehara

Tribology International   Vol. 75   page： 98-103   2014.2

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Study on effects of Ph12SQ on the thermal stability and mechanical properties of high temperature vulcanized (HTV) silicone rubber Reviewed

Mitra Khiabani Moghadam, Jalil Morshedian, Morteza Ehsani, Richard Laine, Lim Yan Kuang, Noritsugu Umehara

IEEE Transactions on Dielectrics and Electrical Insulation   Vol. 21 ( 1 ) page： 244-252   2014.1

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Influence of carbon black in engine oil on wea rof H-free diamond-like carbon coatings Reviewed

Y.Mabuchi, T.Higuchi, D.Yoshimura, M.Murashima, H.Kousaka, N.Umehara

Tribology International   Vol. 73   page： 138-147   2014.1

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Axial uniformity of diamond-like carbon film deposited on metal rod by using microwave sheath voltage combination plasma Reviewed

Xingrui Deng, Yasuyuki Takaoka, Hiroyuki Kousaka, Noritsugu Umehara

Surface and Coatings Technology   Vol. 238 ( 15 ) page： 80-86   2014.1

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Effect of Plasma-On Time on the Axial Distribution of Film Thickness in Internal Diamond-Like Carbon Coating with Microwave-Excited High-Density Plasma Reviewed

Ryosuke Matsui, Hiroyuki Kousaka, and Noritsugu Umehara

Jpn. J. Appl. Phys.   Vol. 52   2013.12

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DOI： 11NA01

Wear behavior of tetrahedral amorphous diamond-like carbon (ta-C DLC) in additive containing lubricants Reviewed

H. Abdullah Tasdemir, Masaharu Wakayama, Takayuki Tokoroyama,Hiroyuki Kousaka, Noritsugu Umehara, Yutaka Mabuchi, Tsuyoshi Higuchi

Wear   Vol. 307   page： 1-9   2013.11

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Effect of Texturing on Friction Properties of CNx Coating Layer under Oil Lubrication with Imitation Wear Debris Reviewed

Takayuki TOKOROYAMA, Tomoyo KANEKO, Yosuke TSUKIYAMA, Noritsugu UMEHARA,Tetsuya SATO and Tadashi SUZUKI

  Vol. 79 ( 806 ) page： 3895-3903   2013.10

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Hardness effect of DLC on tribological properties for sliding bearing under boundary lubrication condition in additive-free mineral base oil Reviewed

Nor Azmmi Bin Masripan, Kenji Ohara, Noritsugu Umehara, Hiroyuki Kousaka, Takayuki Tokoroyama, Shigeru Inami, Koji Zushi, Masahito Fujita

Tribology International   Vol. 65   page： 2265-2269   2013.10

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Ultra-low friction of tetrahedral amorphous diamond-like carbon (ta-C DLC) under boundary lubrication in poly alpha-olefin (PAO) with additives Reviewed

H. Abdullah Tasdemir, Masaharu Wakayama, Takayuki Tokoroyama,Hiroyuki Kousaka, Noritsugu Umehara, Yutaka Mabuchi, Tsuyoshi Higuchi

Tribology International   Vol. 65   page： 286-294   2013.10

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Evaluation of the transformed layer of DLC coatings after sliding in oil using spectroscopic reflectometry Reviewed

Kenji Ohara, Nor Azmmi Bin Masripan, Noritsugu Umehara, Hiroyuki Kousaka , Takayuki Tokoroyama, Shigeru Inami, Koji Zushi, Masahito Fujita

Tribology International   Vol. 65   page： 2265-2269   2013.10

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Wear analysis of hydrogen-free diamond-like carbon coatings under a lubricated condition Reviewed

Y. Mabuchi, T.Higuchi, Y.Inagaki, H.Kousaka, N.Umehara

Wear   Vol. 298-299   page： 48-56.   2013.9

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Internal DLC coating of narrow metal tubes using high-density near plasma sustained by microwaves propagating along plasma-sheath interfaces Reviewed

H. Kousaka, K. Mori, N. Umehara, N. Tamura, and T. Shindo

  Vol. 229 ( 25 ) page： 65-70   2013.8

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Clarification of peeling off mechanism of DLC film during heating/cooling process Reviewed

D. Sannomiya, H. Kousaka, T. Tokoroyama, N. Umehara

  Vol. 79 ( 799 ) page： 858-865   2013.7

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Optimization of Photochemical Fluorinated Gasket for Medical Syringe without Silicone Oil Reviewed

Tougo OGURA. Keisuke USAMI, Hiroyuki KOUSAKA, Noritsugu UMEHARA and Takayuki TOKOROYAMA

  Vol. 79 ( 803 ) page： 2506-2516   2013.7

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Clarification of Hysteresis Mechanism in the Indentation of the High-Densed Carbon Nanotube Film Reviewed

Masaharu WAKAYAMA, Yosuke TSUKIYAMA, Takayuki TOKOROYAMA, Hiroyuki KOUSAKA and Noritsugu UMEHARA

  Vol. 79 ( 801 ) page： 日本機械学会論文集（Ｃ編）   2013.5

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Effect of the plasma irradiation on the friction of carbon fiber Reviewed

Daiki SANNOMIYA, Noritsugu UMEHARA, Takayuki TOKOROYAMA and Hiroyuki KOUSAKA

  Vol. 79 ( 801 ) page： 1827-1836   2013.5

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Wear analysis of hydrogen-free diamond-like carbon coatings under a lubricated condition Reviewed

Y. Mabuchi, T.Higuchi, Y.Inagaki, H.Kousaka, N.Umehara

  Vol. 298-299   page： 48-56   2013.2

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炭化ケイ素基板研磨のための電界砥粒分布制御研磨法に関する研究　–電界による研磨率向上メカニズムの検討- Reviewed

久住孝幸，佐藤安弘，池田　洋，赤上陽一，梅原徳次

精密工学会誌   Vol. 79 ( 1 ) page： 87-92   2013.1

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Surface Modification of Surface Wave-Excited Plasma Treated Chloride-Isobutene Rubber for Adhesion Reduction Reviewed

J-H. Kim, H. Kousaka, N. Umehara, M. Shimada, and M. Hasegawa

Journal of Materials and Manufacturing Processes   Vol. 27 ( 11 ) page： 1257-1261   2012.12

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