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Liquid State (Fusion) <strong>Welding</strong> <strong>Processes</strong><br />
Arc <strong>Welding</strong><br />
Resistance welding<br />
Oxyfuel gas welding<br />
Other processes<br />
There are two inherent problems with fusion<br />
welding<br />
Effect of localized heating <strong>and</strong> rapid cooling on the<br />
microstructure <strong>and</strong> properties of the parent metals.<br />
Effect of residual stresses developed in the parent<br />
metals due to restrained expansion or contraction. This<br />
effect the impact <strong>and</strong> fatigue life of weldment. weldment.
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