Indian Welding Journal

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With the demand for stringent quality requirement of weld, the chemical and physical reactions occurring during welding are being researched. Various techniques are being applied to understand those reactions for improved weld performance. In their paper "Evaluation of arc welding process using digital storage oscilloscope and high speed camera" N. Savyasachi et al. have emphasized that probability density distribution (PDD) analysis of the voltage and current signals from digital storage oscilloscope (DSO) and a high speed camera with laser light illumination could evaluate the performance of consumables or power sources.
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