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International Journal of Advanced Engineering, Management and Science


A study on Electron Beam Welding of Stainless steel (03X12H10MTPY) with Russian copper alloy

( Vol-2,Issue-9,September 2016 )

Author(s): Mr Sreekuttan M, Prof. Sharos.H, Mr. A Manickavasagam, Mr K M Gopalakrishnan



Total View : 637
Downloads : 27
Page No: 1540-1545
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Keywords:

Accelerating voltage, beam current, EBW-Electron Beam Welding, HAZ-Heat Affected Zone, weld, welding speed.

Abstract:

Modern age demand for flexible design and high quality structures. Different properties are essential for different parts and use of dissimilar metals joints gives possibilities of flexible design and products by using each material efficiently. EBW is one of the most widely used application in industries for joining dissimilar materials .The advantages of EBW welding is its high energy density, high depth to width ratio, low HAZ and result in very strong weld and low residual stress .The quality of weld depend upon the parameter accelerating voltage, beam current, focus current, welding speed, beam shifts and vacuum levels. The beam shift, focus current and vacuum level are fixed parameters .The primary objective of the project is to optimizing the parameter to obtain best quality weld based on Taguchi L9 array. Micro-indentation hardness and Electron spectroscopy is also carried out in selected welding sets to study the joint characteristics. It is observed that the optimum parameter levels for 3mm penetration in both parent metal are Accelerating voltage 50KV, beam current 38mA, welding speed 1 m/min.

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