INFLUENCE OF WELDING PARAMETERS ON DROPLET TEMPERATURE DURING PULSED ARC WELDING.

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Heiro, H.
North, T.H.
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| 1600年 / 44期
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It is found that droplet temperatures can be varied by careful selection of welding parameters during pulsed-arc welding. Droplet temperatures are markedly dependent on the pulse energy value employed during welding. Such a relationship is explained by emphasizing the role of pulse energy in droplet transfer from the electrode tip. At equivalent mark/space ratios and wire-feed-speed values, droplet temperatures are higher at lower pulse frequencies. Droplet temperatures are higher when low background current levels are used. This is explained as being due to increased pulse current amplitudes during welding.
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