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:
Aug. 08, 2017
Filed:
Dec. 17, 2014
Kennametal Inc., Latrobe, PA (US);
Pankaj B. Trivedi, Greensburg, PA (US);
Pankaj Kumar Mehrotra, Greensburg, PA (US);
KENNAMETAL INC., Latrobe, PA (US);
Abstract
In one aspect sintered cemented carbide articles are described herein which, in some embodiments, exhibit enhanced resistance to wear and thermal fatigue. Further, sintered cemented carbide articles described herein can tolerate variations in carbon content without formation of undesirable phases, including eta phase and/or free graphite (C-type porosity). Such tolerance can facilitate manufacturing and use of carbide grades where carbon content is not strictly controlled. A sintered cemented carbide body described herein comprises a hard particle phase including tungsten carbide and a metallic binder phase comprising at least one of cobalt, nickel and iron and one or more alloying additives, wherein the sintered cemented carbide has a magnetic saturation (MS) ranging from 0% to 73% and no eta phase.