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Plasma Arc Welding (PAW) is a special form of gas tungsten arc welding in which constricted plasma arc is directed at the weld area. In PAW, a tungsten electrode is contained in a specially designed nozzle that focuses a high-velocity stream of inert gas (argon or argon-hydrogen mixtures) into the region of the arc to form a high velocity, intensely hot plasma arc stream.
Temperatures in plasma arc welding attain 28000ºC or greater, hot enough to melt any known metal.
Advantages of PAW are good arc stability, better penetration control than most other arc welding process, high travel speed and excellent weld quality.
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SUPERSONIC INTAKES At supersonic speeds, the pitot type of air intake is unsuitable due to the severity of shock waves which form and progressively reduce the intake efficiency
The self lubricating bearing is a typical application of metal powder parts or powder metallurgy process. The self lubricating bearings made from brass, iron, aluminium bronze etc,
Navigation Systems • Traditional guidance systems used mechanical gyroscopes (rate gyros) to measure the angular velocities of the vehicle or of the gimbals on which the seeke
How i can have the FLM if i dont have the Total Assets or Shareholders Equity
what will be the methodology to calculate pitching moment damping coefficient of canrad of aircraft
Plastic molds are made of plaster of Paris (gypsum) or calcium sulphate, talc and silica flour is added in the plaster of Paris to improve strength and to control the time required
compute IDFT using DIT and DFT X(K)={20,-5.828-j2.414,0,-0.172-j0.412,0,-0.172+j0.414,0,-5.828+j2.414}
Cash Flow Diagrams We will use a cash flow approach to analyze the flow of money through out a planning horizon. A cash flow occurs when money actually change hands. We will u
PERMIT TO FLY A Permit to Fly may be issued to an aircraft that does not, for a variety of reasons, fully comply for a Certificate of Airworthiness. These reasons might be b
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