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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 happens to water in the welding arc?

To determine

To Discuss: the Effect of water in the welding arc.

Explanation

When water is present in welding arc, welding cracks are generated. Water breaks down in hydrogen and oxygen. Oxygen reacts with surface material and forms oxides in the presence of arc. These oxides make material brittle and generate surface cracks.

Arc is produce between a continuously feed tabular wire electrode and work piece. Arc melts the end of the electrode and work piece. If water is present at the weld area than water particles react with arc and form oxides which reduce the strength of weld...

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