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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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Why must thermite welding supplies and equipment be kept dry?

To determine

The reason for the importance of the thermite supply and keeping dry equipments.

Explanation

The thermite welding is a chemical joining process. In this process, the heat is supplied by the exothermic chemical reaction. This reaction involves the burning of the thermit. This thermit is a mixture of aluminum powder and iron oxide. The ratio of the mixture is 1:3 by weight. The chemical reaction is shown below-

  8Al+3Fe3O49Fe+4Al2O3+Heat

This exothermic reaction gives a huge amount of heat along with the aluminum oxide and iron

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