Patent application number | Description | Published |
20080272100 | Aluminum deoxidizing welding wire - Provided is a welding method and electrodes (wires) with aluminum as a primary deoxidizer and a basic flux system for joining a workpieces with weld metal of comparable strengths and enhanced toughness. For instance, provided is a welding wire, comprising an aluminum content configured to act as a primary deoxidizer, and an overall composition configured to produce a weld deposit comprising a basic slag over a weld bead, wherein the aluminum content is configured to kill the oxygen in the weld pool, and wherein the oxygen comprises oxygen provided by a shielding gas or produced by heating of welding filler materials. Further provided is a welding method comprising arc welding a workpiece using an electrode having aluminum as a primary deoxidizer under a gas shield to produce a bead of weld deposit and a basic slag over the weld bead. | 11-06-2008 |
20110248000 | SYSTEM AND METHOD OF REDUCING DIFFUSIBLE HYDROGEN IN WELD METAL - This disclosure relates generally to arc welding. In an embodiment, a welding system has a welding gas supply system configured to supply a gas flow including a shielding gas and a fluorine-containing gas to a weld pool. Furthermore, the shielding gas is configured to control an atmosphere surrounding the weld pool, the fluorine-containing gas is configured to reduce diffusible hydrogen in the weld pool, and the fluorine-containing gas is substantially free of sulfur. | 10-13-2011 |
20120248069 | SYSTEMS AND METHODS FOR USING FLUORINE-CONTAINING GAS FOR SUBMERGED ARC WELDING - This disclosure relates generally to welding, and more specifically, to submerged arc welding (SAW). In an embodiment, a welding system includes a gas supply system configured to provide a fluorine-containing gas flow. The system also includes a wire supply system configured to provide welding wire, and a flux supply system configured to provide flux near a welding arc during submerged arc welding (SAW). The system further includes a welding torch assembly configured to receive the fluorine-containing gas flow and the welding wire and to deliver the fluorine-containing gas flow and the welding wire near the welding arc during the SAW. | 10-04-2012 |
20130153557 | DC ELECTRODE NEGATIVE ROTATING ARC WELDING METHOD AND SYSTEM - A welding operation is performed by moving or rotating an arc in a welding torch, and feeding a metal cored wire through the torch in a direct current, electrode negative welding process. The electrode may include one or more arc stabilizers. The welding process may be pulsed or non-pulsed. Moreover, the process may be used with a number of different base metals intended to be welded, such as thin plate, galvanized metals, painted metals, coated metals, and so forth. | 06-20-2013 |
20130233839 | SYSTEMS AND METHODS FOR WELDING ELECTRODES - The invention relates generally to welding and, more specifically, to electrodes for arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). In one embodiment, a tubular welding wire includes a sheath and a core. The core includes a carbon source and a potassium source that together comprise less than 10% of the core by weight. Furthermore, the carbon source is selected from the group: carbon black, lamp black, carbon nanotubes, and diamond. | 09-12-2013 |
20130256276 | SYSTEM AND METHOD FOR SUBMERGED ARC WELDING - This disclosure relates generally to welding, and more specifically, to submerged arc welding (SAW). In an embodiment, a welding system includes a gas supply system configured to provide a gas flow. The system also includes a wire supply system configured to provide welding wire, and a flux supply system configured to provide flux near a welding arc during submerged arc welding (SAW). The system further includes a welding torch assembly configured to receive the gas flow and the welding wire and to deliver the gas flow and the welding wire near the welding arc during SAW. | 10-03-2013 |
20140061166 | SYSTEMS AND METHODS FOR WELDING ELECTRODES - The invention relates generally to welding and, more specifically, to welding wires for arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). In one embodiment, a tubular welding wire includes a sheath and a core, and the core includes an organic stabilizer component. Further, the organic stabilizer component includes an organic sub-component configured to release hydrogen near a surface of a workpiece during welding, and includes a Group I metal, Group II metal, or a combination thereof | 03-06-2014 |
20140061175 | SYSTEMS AND METHODS FOR WELDING ELECTRODES - The invention relates generally to welding and, more specifically, to welding wires for arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). In one embodiment, a tubular welding wire includes a sheath and a core, in which the sheath includes less than approximately 0.06% carbon by weight. The core includes a carbon source and a potassium source that together comprise less than 10% of the core by weight. | 03-06-2014 |
20140061179 | SYSTEMS AND METHODS FOR WELDING ELECTRODES - The invention relates generally to welding and, more specifically, to welding wires for arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). In one embodiment, a method of manufacturing a tubular welding wire includes disposing a core within a metallic sheath. Further, the core includes an organic stabilizer component, in which the organic stabilizer component is an alkali metal or alkali earth metal salt of an organic molecule or an organic polymer. | 03-06-2014 |