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| Number | Title | Issue Date |
| 7256369 | Composite wires for coating substrates and methods of use A composite wire for producing a wear resistant and corrosion resistant coating on a substrate by thermal spraying, spray and fuse, or welding techniques are disclosed. The physical properties of the coating are particularly suited for high-temperature erosion-corro... | 08/14/2007 |
| 7087860 | Straight polarity metal cored wires A core composition of a metal-cored wire comprising a combination of graphite and potassium compounds has been proven to stabilize the arc in a straight polarity welding configuration. In particular, adding a combination of graphite and potassium manganese titanate ... | 08/08/2006 |
| 6469278 | Hardfacing having coated ceramic particles or coated particles of other hard materials Hardfacing to protect wear surfaces of drill bits and other downhole tools having coated cubic boron nitride particles or coated particles of other ceramic, superabrasive or superhard materials dispersed within and bonded to a matrix deposit. The coating ... | 10/22/2002 |
| 5957365 | Brazing rod for depositing diamond coating to metal substrate using gas or electric brazing techniques A brazing rod for use in depositing an abrasive metal coating on a metal substrate. The brazing rod comprises particulate abrasive material selected from the group consisting of diamond particles and mixtures of diamond particles and carbide particles and... | 09/28/1999 |
| 5250355 | Arc hardfacing rod An arc hardfacing rod including a tubular member, a filler material, an insulating coating and a plurality of discrete metal carbide particles set within the insulating coating such that a surface of a portion of the metal carbide particles is uncovered. ... | 10/05/1993 |
| 5004886 | Method of applying wear-resistant layer and consumable electrode for carrying out the method A consumable nickel-tungsten-carbon electrode is used in arc welding deposition of a corrosion resistant layer producing a nickel-alloy matrix containing tungsten carbide inclusions on a surface of a metal workpiece by electric arc deposition under parame... | 04/02/1991 |
| 4741974 | Composite wire for wear resistant coatings A composite wire useful for arc gun spraying is formed of an alloy sheath comprising iron, nickel, or cobalt, and a core comprising boron-containing powder of boron and/or boron carbide sufficiently fine in size such that the boron is substantially dissol... | 05/03/1988 |
| 4699848 | Composition of abrasion-resistant material for application to a surface The invention provides a composition which is useful in applying an abrasion-resistant coating to a surface, typically by welding. The abrasion-resistant coating is preferably a mixture of tungsten carbide and an alloy. The composition is formed into a le... | 10/13/1987 |
| 4451508 | Hard facing of metal substrates using material containing VC and improved flux compositions therefor Hard facing of iron and iron base alloy substrates is disclosed using a hard facing material containing vanadium carbide and a flux composition containing nickel boron or calcium silicon. The nickel boron is used in amounts ranging from about 1 to 3% by w... | 05/29/1984 |
| 4426426 | Welding alloy and method Spheroidal graphite cast iron body can be welded using a welding alloy whose carbon diffusion rate is sufficiently high that cementite formation is prevented. The alloy has essentially the following composition: less than 0.2% manganese, less than 2.0% carbon,... | 01/17/1984 |
| 4312894 | Hard facing of metal substrates Method for hard-facing substrates is disclosed using a hard facing material consisting essentially of at least one vanadium carbide. In a particular embodiment of the invention tungsten is present in the hard facing material in solid solution with vanadiu... | 01/26/1982 |
| 4228223 | Wear and corrosion resistant nickel-base alloy A nickel-base wear and corrosion resistant alloy is provided containing by weight about 20% to 35% Cr, about 1% to 8% Si, about 1.7% to 3.5% C, 0 to 15% W and the balance essentially at least about 40% nickel, the amount of carbon present in said composit... | 10/14/1980 |
| 4162392 | Hard facing of metal substrates Method for hard-facing metal substrates is disclosed using a hard facing material consisting essentially of combined vanadium, tungsten and carbon and from about 5 to about 40% by weight of chromium carbide with up to 15% by weight in the aggregate of cob... | 07/24/1979 |
| 4055742 | Hard facing rod A rod for hard-facing substrates is disclosed using a hard facing material consisting essentially of at least one vanadium carbide. In a particular embodiment of the invention tungsten is present in the hard facing material in solid solution with vanadium... | 10/25/1977 |
| 3995139 | Filler material and process for the heterogeneous welding by the fusion of two iron-carbon alloys Filler material and process for the heterogeneous welding by fusion of two iron-carbon alloys. The filler material comprises iron and at least one element for producing special stable carbides and at least one element for nodularizing graphite in iron.... | 11/30/1976 |
