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:
Jan. 28, 2014
Filed:
Jun. 27, 2005
Prakash K. Mirchandani, Hampton Cove, AL (US);
Michale E. Waller, Huntsville, AL (US);
Jeffrey L. Weigold, Huntsville, AL (US);
Billy D. Swearengin, New Hope, AL (US);
Prakash K. Mirchandani, Hampton Cove, AL (US);
Michale E. Waller, Huntsville, AL (US);
Jeffrey L. Weigold, Huntsville, AL (US);
Billy D. Swearengin, New Hope, AL (US);
Kennametal Inc., Latrobe, PA (US);
Abstract
Embodiments of the present invention include composite articles comprising at least a first region and a second region and methods of making such articles. The first region may comprise a first composite material, wherein the first region comprises less than 5 wt. % cubic carbides by weight, and the second region may comprise a second composite material, wherein the second composite material differs from the first composite material in at least one characteristic. The composite article may additionally comprise at least one coolant channel. In certain embodiments, the first and second composite material may individually comprise hard particles in a binder, wherein the hard particles independently comprise at least one of a carbide, a nitride, a boride, a silicide, an oxide, and solid solutions thereof and the binder comprises at least one metal selected from cobalt, nickel, iron and alloys thereof. In specific embodiments, the first composite material and the second composite material may individually comprise metal carbides in a binder, such as a cemented carbide.