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Influence of Vibrations on Weld Characteristics
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The influence of longitudinal vibration on certain weld characteristics have been studied in the present paper. Longitudinal vibration have been imposed by electrodynamic vibrator in the frequency range of 40Hz to 10Hz and amplitude .0005 cm. to .0025 cm. during experimentation with the mild steel work pieces. It has been observed that hardness of the weldment increase due to increase in frequency and amplitude of vibration. Increase of frequency affects more than amplitude increase on hardness.
Percentage elongations of the specimens decrease with increase in frequency and amplitude of vibration. Porosity is reduced at higher frequency and amplitude.
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