discharge welding

См. также в других словарях:

• welding — Technique for joining metallic parts, usually through the application of heat. Discovered in the 1st millennium AD during attempts to manipulate iron into useful shapes, the technique produced a strong, tough blade. Welding traditionally involved …   Universalium

• Stud welding — is a form of spot welding where a bolt or specially formed nut is welded onto another metal part. The bolts may be automatically fed into the spot welder. Weld nuts generally have a flange with small nubs that melt to form the weld. Studs have a… …   Wikipedia

• arc welding — welding by means of the heat of an electric arc. Also called electric arc welding. [1930 35] * * * ▪ metallurgy       use of a sustained luminous electrical discharge (arc) as a source of heat for melting the filler metal (welding rod) and the… …   Universalium

• Spot welding — is a type of resistance welding used to weld various sheet metal products. Typically the sheets are in the 0.5 3.0 mm thickness range. The process uses two shaped copper alloy electrodes to concentrate welding current into a small spot and to… …   Wikipedia

• Percussion welding — (PEW) is a type of resistance welding that blends dissimilar metals together. Percussion welding creates a high temperature arc that is formed from a short quick electrical discharge. Immediately following the electrical discharge, pressure is… …   Wikipedia

• Pattern welding — is the practice in sword and knife making of forming a blade of several metal pieces of differing composition that are forge welded together and twisted and manipulated to form a pattern. Often incorrectly called Damascus steel (which is produced …   Wikipedia

• Electrical discharge machining — An electrical discharge machine Electric discharge machining (EDM), sometimes colloquially also referred to as spark machining, spark eroding, burning, die sinking or wire erosion,[1] is a manufacturing process whereby a desired shape is obtained …   Wikipedia

• Dielectric barrier discharge — (DBD) is the electrical discharge between two electrodes separated by an insulating dielectric barrier. Originally called silent (inaudible) discharge and also known as ozone production discharge[1] or partial discharge,[2] it was first reported… …   Wikipedia

• Magnetic pulse welding — (MPW) is a welding process that uses magnetic forces to drive two workpieces together and weld them together. The welding mechanism is most similar to that in explosion welding.[1] Process A very high AC current (the primary current ) is passed… …   Wikipedia

• percussive welding — noun or percussion welding : resistance welding in which a hammer blow is applied simultaneously with or immediately following a sudden discharge of current across the contact area of the parts to be united …   Useful english dictionary

• Direct current discharge — A direct current discharge is an electrical discharge, also known as plasma, sustained by a direct current (DC) through an ionized medium, e.g. a gas.Examples of applications of DC discharges include welding and light generation …   Wikipedia