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Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695

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BuyFindarrow_forward

Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695
Textbook Problem
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What causes crater cracks?

To determine

The causes of crater cracks.

Explanation

The type of defect in which the weld pool shrinkage occurs is called as crater cracks. These are the cracks developed as a result of shrinkage of weld pool. During welding, when the molten metal solidify it leaves cracks on the surface of base metal.

It is suggested not to use materials having lower melting point. These defects can be corrected by using correct torch angle. Use of smaller electrode for welding can diminished the chance of carter cracks...

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