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welding period

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  • 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

  • Period 1 element — A period 1 element is one of the chemical elements in the first row (or period) of the periodic table of the chemical elements. The periodic table is laid out in rows to illustrate recurring (periodic) trends in the chemical behaviour of the… …   Wikipedia

  • Friction stir welding — (FSW) is a solid state joining process (meaning the metal is not melted during the process) and is used for applications where the original metal characteristics must remain unchanged as far as possible. This process is primarily used on aluminum …   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

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

  • Gas metal arc welding — RMD redirects here. RMD may also refer to IRA Required Minimum Distributions. Gas metal arc welding …   Wikipedia

  • American Welding Society — The American Welding Society (AWS) is a nonprofit organization dedicated to advancing the science, technology, and application of welding and allied joining and cutting processes, including brazing, soldering, and thermal spraying. The… …   Wikipedia

  • Shot welding — is a specific type of spot welding used to join two pieces of metal together. This is accomplished by clamping the two pieces together and then passing a large electric current through them for a short period of time. Assuming the right amount of …   Wikipedia

  • Richard Welding — (born 28th January 1981 in Wigan , Lancashire) is a rugby union footballer for Leeds Tykes . His usual position is on the wing. He made his Tykes debut against his former club Cornish Pirates as a replacement on 23rd September 2006 at Headingley… …   Wikipedia

  • Migration Period sword — Hilt of a Vendel period sword found at Valsgärde. Swords of the Migration Period (4th to 7th centuries AD) show a transition from the Roman era Spatha to the Viking sword types of the Early Middle Ages. The blade is normally smooth or shows a… …   Wikipedia

  • Ekofisk oil field — Ekofisk is an oil field in the Norwegian sector of the North Sea. Discovered in 1969, it remains one of the most important oil fields in the North Sea. Production began in 1971 after the construction of a series of off shore platforms by Phillips …   Wikipedia

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