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:
Feb. 25, 2020
Filed:
Jun. 23, 2017
Applicant:
Kennametal Inc., Latrobe, PA (US);
Inventors:
Zhenyu Liu, Greensburg, 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); C23C 28/04 (2006.01); C23C 16/40 (2006.01); C23C 16/36 (2006.01); C23C 16/56 (2006.01); C23C 28/00 (2006.01);
U.S. Cl.
CPC ...
C23C 28/044 (2013.01); C23C 16/34 (2013.01); C23C 16/36 (2013.01); C23C 16/403 (2013.01); C23C 16/56 (2013.01); C23C 28/042 (2013.01); C23C 28/42 (2013.01);
Abstract
Cutting tools are described having coatings which can demonstrate desirable wear resistance and increased cutting lifetimes. A coated cutting tool described herein has a substrate and a coating with a plurality of alternating layers of a first layer of AlOand a second layer of at least one of MeAlOand MeAlO/MeOcomposite, wherein Me is Zr, Hf, Ti or a combination thereof. The coating has a superlattice-like structure.