Patent application number | Description | Published |
20110064963 | THERMAL SPRAY PROCESSES AND ALLOYS FOR USE IN SAME - The present invention provides a method for coating an article comprising applying a thermal spray coating to the article; applying a brazing material to the article; and heating the brazing material to at least a brazing temperature of the brazing material to form a resultant coating on the article, wherein the resultant coating is characterized by at least partial metallurgical bonding or at least partial alloying between the thermal spray coating and the brazing material. | 03-17-2011 |
20110068152 | COMPOSITIONS AND METHODS FOR DETERMINING ALLOYS FOR THERMAL SPRAY, WELD OVERLAY, THERMAL SPRAY POST PROCESSING APPLICATIONS, AND CASTINGS - Disclosed herein are iron-based alloys having a structure comprising fine-grained ferritic matrix and having a 60+ Rockwell C surface, wherein the ferrific matrix comprises <10 μm Nb and W 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 methods of designing an alloy capable of forming a crack free hardbanding weld overlay, the methods comprising the step determining an amorphous forming epicenter composition, determining a variant composition having a predetermined change in constituent elements from the amorphous forming epicenter composition, and forming and analyzing an alloy having the variant composition. | 03-24-2011 |
20110121056 | COMPOSITIONS AND METHODS FOR DETERMINING ALLOYS FOR THERMAL SPRAY, WELD OVERLAY, THERMAL SPRAY POST PROCESSING APPLICATIONS, AND CASTINGS - 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 Nb and W 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 methods of designing an alloy capable of forming a crack free hardbanding weld overlay, the methods comprising the steps of determining an amorphous forming epicenter composition, determining a variant composition having a predetermined change in constituent elements from the amorphous forming epicenter composition, and forming and analyzing an alloy having the variant composition. | 05-26-2011 |
20120224992 | ALLOYS FOR HARDBANDING WELD OVERLAYS - 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. | 09-06-2012 |
20130266798 | METAL ALLOY COMPOSITIONS AND APPLICATIONS THEREOF - A method for protecting a work piece for use in abrasive environments with hardbanding is provided. The layer is deposited onto at least a portion of the work piece to be protected. The deposited layer exhibits a hardness of at least 50 R | 10-10-2013 |
20130266820 | METAL ALLOY COMPOSITIONS AND APPLICATIONS THEREOF - A work piece for use in abrasive environments with hardbanding is provided. The work piece has at least a protective layer deposited onto at least a portion to be protected. The deposited layer exhibits a hardness of at least 50 R | 10-10-2013 |
20140065316 | COMPOSITIONS AND METHODS FOR DETERMINING ALLOYS FOR THERMAL SPRAY, WELD OVERLAY, THERMAL SPRAY POST PROCESSING APPLICATIONS, AND CASTINGS - 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 <20 μm Nb and W 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 methods of designing an alloy capable of forming a crack free hardbanding weld overlay, the methods comprising the steps of determining an amorphous forming epicenter composition, determining a variant composition having a predetermined change in constituent elements from the amorphous forming epicenter composition, and forming and analyzing an alloy having the variant composition. | 03-06-2014 |
20140105780 | NON-MAGNETIC METAL ALLOY COMPOSITIONS AND APPLICATIONS - Disclosed are non-magnetic metal alloy compositions and applications that relate to non-magnetic metal alloys with excellent wear properties for use in dynamic three-body tribological wear environments where an absence of magnetic interference is required. In one aspect, the disclosure can relate to a drilling component for use in directional drilling applications capable of withstanding service abrasion. In a second aspect, a hardbanding for protecting a drilling component for use in directional drilling can be provided. In a third aspect, a method for prolonging service life of a drilling component for use in directional drilling can be provided. | 04-17-2014 |
20140116575 | COMPOSITIONS AND METHODS FOR DETERMINING ALLOYS FOR THERMAL SPRAY, WELD OVERLAY, THERMAL SPRAY POST PROCESSING APPLICATIONS, AND CASTINGS - 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 Nb and W 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 methods of designing an alloy capable of forming a crack free hardbanding weld overlay, the methods comprising the steps of determining an amorphous forming epicenter composition, determining a variant composition having a predetermined change in constituent elements from the amorphous forming epicenter composition, and forming and analyzing an alloy having the variant composition. | 05-01-2014 |
20140219859 | ALLOYS FOR HARDBANDING WELD OVERLAYS - 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. | 08-07-2014 |