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| Number | Title | Issue Date |
| 7896224 | Permanent magnet temporary demagnetization temperature rise technique and their application for soldering A method for raising a demagnetization temperature of a permanent magnet is disclosed. The method provides a ferromagnetic arrangement around the magnet to increase demagnetization thresholds for the duration of soldering, or any other process requiring high tempera... | 03/01/2011 |
| 7325717 | Welding material and a method of producing welded joint In the present invention, an iron based alloy which contains by mass %: 0.20% or less of C; 6.0 to 16.0% of Cr; 6.0 to 16.0% of Ni and whose martensitic transformation starting temperature (Ms point temperature) is in the range of 0-170° C., inclusive of 0° C. and... | 02/05/2008 |
| 6994920 | Fusion welding method and welded article A fusion welding method is provided for fusion welding at juxtaposed interface surfaces a first member, for example made of a first metal based on at least one of Ru, Rh, Pd, and Pt, with a second member made of a second metal, for example a high temperature alloy b... | 02/07/2006 |
| 6866730 | Metallic-based adhesion materials A material and method for adhering at least two materials that includes the step of interposing at least one intermediate layer between the two materials and associated adhesion material. The materials to be adhered exhibit at least one characteristic dissimilarity ... | 03/15/2005 |
| 6706992 | Welding apparatus and method for welding overlapping coated sheets A welding apparatus spot welds two or more overlapping sheets having a coating, such as zinc coated steel or aluminum alloy with an oxide coating. A hole is formed in the upper sheet at the desired point of spot welding. A clamping cup of a plasma arc passes surroun... | 03/16/2004 |
| 6682780 | Protective system for high temperature metal alloy products A method for protecting low-carbon steel and stainless steel from coking and corrosion at elevated temperatures in corrosive environments, such as during ethylene production by pyrolysis of hydrocarbons or the reduction of oxide ores, by coating the stain... | 01/27/2004 |
| 6585148 | Welding processes for iron-base ultra fine grained materials and structural components manufactured by the processes Structural components obtained by a process for welding iron-base materials, where the iron-base material is iron-base fine grained materials free from any amorphous phase, which comprises welding two kinds of fine grained materials of chemical and crysta... | 07/01/2003 |
| 6413649 | Silver-copper-nickel infiltration brazing filler metal and composites made therefrom The present invention is directed to brazing filler metals that can be used in the infiltration brazing of porous matrix materials without the need for a flux. The brazing filler metals contain two different Group II metals and a third metal of Group 9 an... | 07/02/2002 |
| 6378761 | Process for joining components made from case-hardened steel to components made from cast iron A process for joining or welding components made from case-hardened steel to one another or to components made from cast iron uses a nickel-containing filler. The components are not prepared for the welding operation, i.e., the components do not undergo a... | 04/30/2002 |
| 6283358 | System for forming contacts on a semiconductor component by aligning and attaching ferromagnetic balls A method and system for forming contacts on semiconductor components, such as wafers, dice and packages, are provided. The method employs magnets to align and hold ferromagnetic balls on bonding sites of a component substrate. The system includes a holder... | 09/04/2001 |
| 5948549 | Sinter joining method and sintered composite member produced by same A sinter-joining method for forming a sinter of high quality at low cost and a sintered composite member produced by the sinter-joining method. A tubular copper-base material is forced into a tubular iron-base material and these materials are sintered at tempe... | 09/07/1999 |
| 5769308 | Welding material for use in hard-facing and method of determining components thereof The composition of a hard-facing welding material to be overlaid onto a cast iron base metal followed by a supercooling treatment for hardening must lie above a line LA in a Schaeffler's structure diagram which is represented by a Cr equivalent and a Ni e... | 06/23/1998 |
| 5683822 | Liquid-phase diffusion bonding alloy foils for joining heat-resistant metals in oxidizing atmospheres Alloy foils for liquid-phase diffusion bonding of heat-resisting metals in an oxidizing atmosphere comprise 6.0 to 15.0 percent silicon, 0.1 to 2.0 percent manganese, 0.50 to 30.0 percent chromium, 0.10 to 5.0 percent molybdenum, 0.50 to 10.0 percent vana... | 11/04/1997 |
| 5678753 | Welding for spheroidal graphic cast iron material The invention relates to the welding of cast-iron castings. The process for the fusion welding of spheroidal-graphite cast-iron castings comprises the following steps: a) a preheat at a temperature of between 230° and 300° C. is carried out before buttering ... | 10/21/1997 |
| 5383594 | Radiation-shielding transport and storage container A radiation-shielding storage/transport container has a cast-iron vessel having an open end defining an end face, a steel ring engaging the end face and forming at least one annular seat, a weld unitarily bonding the ring to the end face, and a cover secu... | 01/24/1995 |
| 5054682 | Method of bonding a tool material to a holder and tools made by the method In a method of joining a metal matrix composite (cermet) or ceramic tool material 1 to a metallic holder 2 by diffusion bonding through an intermediate metallic layer, the tool material 1 includes at least one carbide, nitride or boride in the matrix. In ... | 10/08/1991 |
| 4700863 | Seal welded cast iron nuclear waste container This invention identifies methods and articles designed to circumvent metallurgical problems associated with hermetically closing an all cast iron nuclear waste package by welding. It involves welding nickel-carbon alloy inserts which are bonded to the ma... | 10/20/1987 |
| 4659378 | Solderable adhesive layer Electrical contacts to or mechanical connections between components and provided by using a thin layer of an alloy consisting of metals and metalloids. Such a layer shows excellent adhesion to glass or semiconductor substrates.... | 04/21/1987 |
| 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 |