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. 11, 2014
Filed:
Mar. 06, 2012
Applicants:
Justin Lee Cheney, San Francisco, CA (US);
John Hamilton Madok, San Diego, CA (US);
Inventors:
Justin Lee Cheney, San Francisco, CA (US);
John Hamilton Madok, San Diego, CA (US);
Assignee:
Scoperta, Inc., San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/12 (2006.01); C22C 38/14 (2006.01); C22C 38/02 (2006.01); C22C 38/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed herein are iron-based alloys having a microstructure comprising a fine-grained ferritic matrix and having a 60+ Rockwell C surface, wherein the ferritic matrix comprises <10 μm carbide precipitates. Also disclosed are methods of welding comprising forming a crack free hardbanding weld overlay coating with such an iron-based alloy. Also disclosed are families of alloys capable of forming crack-free weld overlays after multiple welding passes.