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:
Jun. 01, 2021
Filed:
Oct. 25, 2017
Applicant:
Kennametal Inc., Latrobe, PA (US);
Inventors:
Matthew Yao, Latrobe, PA (US);
Abdelhakim Belhadjhamida, Ontario, CA;
Brad McLane, Latrobe, PA (US);
Assignee:
KENNAMETAL INC., Latrobe, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 19/07 (2006.01); C22C 29/08 (2006.01); C22C 32/00 (2006.01); B23D 65/00 (2006.01);
U.S. Cl.
CPC ...
C22C 19/07 (2013.01); B23D 65/00 (2013.01); C22C 29/08 (2013.01); C22C 32/0047 (2013.01);
Abstract
In one aspect, cobalt-based alloys are described herein comprising composition and microstructure permitting a balance of hardness, toughness and wear resistance desirable for wood cutting applications. A cobalt-based alloy comprises a chromium rich carbide phase in an amount of 15-30 volume percent, a tungsten-rich phase in an amount of 9-15 volume percent and a balance of cobalt-rich solid solution matrix comprising nickel, chromium, vanadium and tungsten.