Thomson welding

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• Welding — is a fabrication process that joins materials, usually metals or thermoplastics, by causing coalescence. This is often done by melting the workpieces and adding a filler material to form a pool of molten material (the weld puddle ) that cools to… …   Wikipedia

• Welding helmet — Welding helmets are headgear used when performing certain types of welding to protect the eyes, face and neck from flash burn, ultraviolet light, sparks and heat. Most commonly used with arc welding processes such as shielded metal arc welding… …   Wikipedia

• Thomson process — [After Elihu Thomson, American inventor.] A process of electric welding in which heat is developed by a large current passing through the metal. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

• 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

• Thomson, Elihu — ▪ American electrical engineer and inventor born March 29, 1853, Manchester died March 13, 1937, Swampscott, Mass., U.S.       U.S. electrical engineer and inventor whose discoveries in the field of alternating current (alternating current)… …   Universalium

• thomson process — noun Usage: usually capitalized T Etymology: after Elihu Thomson died 1937 American electrician and inventor : a process of electric welding in which heat is developed by a large current passing through the metal …   Useful english dictionary

• Elihu Thomson — Infobox Scientist name = Elihu Thomson caption = birth date = birth date|1853|3|29 birth place = Manchester, England death date = death date and age|1937|3|13|1853|3|29 death place = residence = United States citizenship = nationality = English… …   Wikipedia

• Elihu Thomson — Pour les articles homonymes, voir Thomson. Elihu Thomson ca. 1880 Elihu Thomson (né le 29 mars 1853 à Manchester (Angleterre), décédé le 13  …   Wikipédia en Français

• Shielded metal arc welding — (SMAW), also known as manual metal arc (MMA) welding, flux shielded arc welding …   Wikipedia

• Gas tungsten arc welding — TIG welding of a bronze sculpture Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG …   Wikipedia

• Submerged arc welding — (SAW) is a common arc welding process. Originally devolved by the Linde Union Carbide Company. It requires a continuously fed consumable solid or tubular (flux cored) electrode. The molten weld and the arc zone are protected from atmospheric… …   Wikipedia