Title:
CRN COATING FILM AND SLIDING MEMBER
Document Type and Number:
WIPO Patent Application WO/2022/137631
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a CrN coating film which has excellent peeling resistance and is not susceptible to separation of the coating film, said separation beginning at a crack, even in a severer lubricating environment. The problem is solved by a CrN coating film which has a 200 preferred orientation as determined by XRD, wherein: the X-ray diffraction intensity ratio of the (200) plane to the (111) plane, namely (200)/(111) is 5.5 or more; and the proportion of crystal grains having a crystal grain size of 1 μm or less is 85% or more in the crystal grain size distribution as determined by EBSD analysis.
Inventors:
SUGAWARA SYUN (JP)
IWASHITA TAKATSUGU (JP)
IWASHITA TAKATSUGU (JP)
Application Number:
PCT/JP2021/029273
Publication Date:
June 30, 2022
Filing Date:
August 06, 2021
Export Citation:
Assignee:
TPR CO LTD (JP)
International Classes:
C23C14/06; F16J9/26
Domestic Patent References:
| WO2013136510A1 | 2013-09-19 |
Foreign References:
| JP2019066024A | 2019-04-25 | |||
| JP2011194536A | 2011-10-06 | |||
| JP2011218513A | 2011-11-04 | |||
| JPS58144473A | 1983-08-27 | |||
| JP2001335878A | 2001-12-04 |
Attorney, Agent or Firm:
IP FIRM SHUWA (JP)
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