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Patent Searching and Data


Title:
SLIDING MEMBER AND PISTON RING
Document Type and Number:
WIPO Patent Application WO/2019/078052
Kind Code:
A1
Abstract:
Provided is a sliding member which has a hard carbon film that has a good balance between high separation resistance and high wear resistance even if the thickness thereof is 3 μm or more. A sliding member 100 according to the present invention is characterized by comprising a base material 10 and a hard carbon film 12 which is formed on the base material 10, while having a hydrogen content of 3% by atom or less and a thickness of 3 μm or more. This sliding member 100 is also characterized in that if HM is the Martens hardness of the hard carbon film 12 and HIT is the indentation hardness of the hard carbon film 12, HM/HIT is 0.40 or more.

Inventors:
KAMEDA Kazuya (1-37 Hokuto-ch, Kashiwazaki-shi Niigata 55, 〒9458555, JP)
ISHIDA Yuuichi (1-37 Hokuto-ch, Kashiwazaki-shi Niigata 55, 〒9458555, JP)
MARUYAMA Hiroshi (1-37 Hokuto-ch, Kashiwazaki-shi Niigata 55, 〒9458555, JP)
SEKIYA Takuma (1-37 Hokuto-ch, Kashiwazaki-shi Niigata 55, 〒9458555, JP)
Application Number:
JP2018/037593
Publication Date:
April 25, 2019
Filing Date:
October 09, 2018
Export Citation:
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Assignee:
KABUSHIKI KAISHA RIKEN (8-1 Sanbancho, Chiyoda-ku Tokyo, 02, 〒1028202, JP)
International Classes:
C23C14/06; F02F5/00; F16C33/16; F16J9/26; F16N15/02
Foreign References:
JP2017101279A2017-06-08
JP2006250348A2006-09-21
Attorney, Agent or Firm:
SUGIMURA Kenji (36F Kasumigaseki Common Gate West, 3-2-1 Kasumigasek, Chiyoda-ku Tokyo 13, 〒1000013, JP)
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