Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PROCESS FOR PRODUCTION OF COATED ARTICLE HAVING EXCELLENT CORROSION RESISTANCE, AND COATED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2011/125657
Kind Code:
A1
Abstract:
Disclosed is a process for producing a coated article having excellent corrosion resistance, wherein the coated article is produced by coating the surface of a base material for the article with a hard coating film composed of at least two layers by a physical deposition method. The process comprises a step of coating the surface of the base material with a first hard coating film and a step of coating the surface of the first hard coating film with a second hard coating film. The process additionally comprises, prior to the step of coating with the second hard coating film, a step of polishing the surface of the first hard coating film until the calculated average roughness (Ra) becomes 0.05 μm or less and the largest height (Rz) becomes 1.00 μm or less.

Inventors:
ABUSUILIK SALEH (JP)
ISHIKAWA TAKESHI (JP)
INOUE KENICHI (JP)
Application Number:
PCT/JP2011/057843
Publication Date:
October 13, 2011
Filing Date:
March 29, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI TOOL ENG (JP)
HITACHI METALS LTD (JP)
ABUSUILIK SALEH (JP)
ISHIKAWA TAKESHI (JP)
INOUE KENICHI (JP)
International Classes:
C23C14/02; B23B27/14; C23C14/06; C23C14/24
Foreign References:
JP2002348655A2002-12-04
JP2006216365A2006-08-17
JP2003064469A2003-03-05
JPH06330348A1994-11-29
JP2007136654A2007-06-07
JP2001172766A2001-06-26
JPS5333777A1978-03-29
JP2007162613A2007-06-28
JP2004349481A2004-12-09
Attorney, Agent or Firm:
ASAMURA Kiyoshi et al. (JP)
Hiroshi Asamura (JP)
Download PDF:
Claims: