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:
Sep. 19, 2017
Filed:
Jan. 22, 2015
Applicant:
Kennametal Inc., Latrobe, PA (US);
Inventors:
Zhenyu Liu, Greensburg, PA (US);
Qingjun Zheng, Export, PA (US);
Peter Rudolf Leicht, Latrobe, PA (US);
Yixiong Liu, Greensburg, PA (US);
Assignee:
KENNAMETAL INC., Latrobe, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 16/34 (2006.01); C04B 35/58 (2006.01);
U.S. Cl.
CPC ...
C04B 35/58014 (2013.01); C23C 16/34 (2013.01);
Abstract
In one aspect, articles employing CVD coatings deposited at low temperatures are described herein. Briefly, a coated article described herein comprises a substrate and a refractory coating adhered to the substrate, the refractory coating including a layer of TiN deposited by thermal CVD, the layer of TiN having an average crystallite size of 0.05 μm to 0.5 μm and residual tensile stress of 100 MPa to 700 MPa.