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NUCLEAR APPLICATIONS OF ELECTRON BEAM WELDING
Electron beam has been applied to the fabrication of fuel elements for pressurised water reactors and the distinct advantages are:Vacuum environment prevents contamination of the weld joint and ensures that the weld metal possesses good corrosion resistance & mechanical properties. High concentration of weld heat, the concentration of thermal energy is an important advantage of EBW of plate t ype fuel element s. High concentration of heat reduces shrinkage and thermal distortion for example, in fuel elements welding, total transverse shrinkage weld seam is only 0:02 mm to 0:04 mm for electron beam welds. Complex welded structures of molybdenum are being EB welded.
Illustrate the specification of PDDI (i) The 3-D geometry of the product which is defined by a set of curves, surfaces and volumes. (ii) The topology which describes the se
what is the use of crankshaft?
What do you mean by synchromesh device ? explain the basic working of a synchromesh gear box.
Determine the vertical de?ection in the beam along the centreline and state the maximum de?ection.
work is path function not a state function
5000 word assignment 25/10/2018 due date Research Project for ENGR8752 Engineering Physics and Material write down about the iron history and all about iron my detail yesh patel
Q. Method of construction - Plant layout? Plant layout is influenced by the intended method of construction, whether the plant is being constructed on-site, or whether modules
(i) Describe Poisson's Ratio. (ii) A circular rod of 100mm diameter and 500 mm length is subjected to a tensile force of 1000 KN. Calculate the modulus of bulk modulus, rigidity
What is the velocity of the crosshead - crank: In the slider crank mechanism shown in Figure, the crank is rotating clockwise at 120 revolution/minute. What is the velocity of
Upset butt welding machines These are usually small capacity horizontal type machines. The power source required for these is a step down transformer as in the case of spot, se
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