POROSITY STUDIES ON ELECTRON BEAM WELDING OF COPPER ALLOYS

X-ray tomography has been used as a fundamental technology for different industries in order to determine the characteristics in a 3-dimensional way for numerous materials. In this work, the use of x-ray tomography in determining the porosities which are formed through electron beam welding of ETP Copper has been explained. The beam oscillations play an extremely critical part in porosity perspective in light of the fact that relying upon the beam oscillations, the porosity is diminished in the welded material. Beam oscillations are of two sorts namely, frequency and amplitude oscillations. The effects of porosities in the electron beam welded ETP copper plates by keeping all the parameters constant except amplitude oscillations have been studied. The optical diameter additionally assumes a noteworthy part of the development of pores in both size and number of pores shaping criteria. On the off chance that the beam oscillations are done in the scope of optical diameter, the development of a number of pores and the larger than average pores can likewise be lessened. This entire porosity arrangement and their presence have been considered and comprehend by using x-ray computed tomography (Zeiss versa 520 machines), which gives a 3D characterization on the presence and formation of the porosities and also the distinction in amplitude oscillation value from one outcome to another with same parametrical esteems.