The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 17, 1990
Filed:
Sep. 29, 1988
Applicant:
Inventor:
Ian L Wilson, Murrysville, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 531 ; 148 203 ; 148 166 ; 219 761 ; 21912114 ; 21912164 ; 21912146 ; 428662 ;
Abstract
The present invention provides a method for applying a hardface alloy coating on a metal substrate concurrently with a nitriding procedure so that the hardface coating is deposited and nitrided in one step. The deposition of the metal hardface coating is conducted in an atmosphere of nitrogen under nitriding conditions. The single step of metal deposition and nitriding is made possible by using a hardface alloy composition containing 20-75% niobium, 5-35% titanium and 10-60% tungsten.