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:
Oct. 31, 2000
Filed:
Jun. 07, 1999
Applicant:
Inventors:
Norbert Czech, Dorsten, DE;
Knut Halberstadt, Mulheim an der Ruhr, DE;
John Smith, Welwyn Garden City, GB;
Adrian Kempster, Redebourn L, GB;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; C23C / ; F02C / ;
U.S. Cl.
CPC ...
428610 ; 148516 ; 148537 ; 148425 ; 148428 ; 148240 ; 4162 / ; 4162 / ; 416232 ; 427250 ; 427256 ; 427269 ; 4273768 ; 4274192 ; 428630 ; 428632 ; 428637 ; 428642 ; 4284722 ; 428652 ; 428667 ; 428678 ; 428680 ; 428938 ; 428941 ;
Abstract
The invention relates to an article of manufacture comprising: a substrate composed of a superalloy containing chromium and a base element selected from the group consisting of iron, cobalt, and nickel; and an enrichment layer containing chromium and placed on the substrate. Therein, the enrichment layer comprises a continuous matrix composed of a gamma-phase solid solution of chromium in the base element. The invention also relates to the manufacture of such an article. The article may in particular be a gas turbine component.