Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ABRASION-RESISTANT COMPOSITE HARD FILM HAVING SOLID LUBRICITY AND NON-AFFINITY, AND STEEL MATERIAL PROVIDED WITH THE SAME
Document Type and Number:
Japanese Patent JP2010229527
Kind Code:
A
Abstract:

To provide an abrasion-resistant hard film coated with a Cr-based film, which does not cause film exfoliation and abnormal abrasion but has remarkably improved abrasion resistance, and in addition, has solid lubrication and non-affinity.

The abrasion-resistant hard film includes coating layers formed of multilayered films provided on a steel-based substrate. In a with multilayed film steel material, at least one layer out of the coating layers includes a TiAlN-based film which includes at least Ti, Al and N as a constituent element; and the other layer except the TiAlN-based film out of the coating layers includes a Cr-based film which includes one or two elements of Cr, Si or B as a metal composition and one or more elements of C, N or O as a non-metallic composition. The Cr-based film has a nitride phase of Si and/or a nitride phase of B in a Cr compound phase.


Inventors:
KAWANA ATSUO
SAITO KUNIO
Application Number:
JP2009080796A
Publication Date:
October 14, 2010
Filing Date:
March 30, 2009
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON COATING CT KK
International Classes:
C23C14/06; B23B51/00; B23C5/16
Attorney, Agent or Firm:
Masuaki Tanaka