WHC1.03 Heat Flow in Welding, AWS

$24.00

Chapter 3 from the Welding Handbook, Ninth Edition, Volume 1, “Welding Science and Technology,” has been selected by the AWS Product Development Committee as a service to industry professionals. The fundamentals of heat transfer in fusion welding are examined in this chapter. WHC1.03 Heat Flow in Welding focuses on arc, laser, and electron beam welding. In all welding, only a fraction of the energy dissipated by the heat source is actually absorbed by the base metal. Arc efficiency is an important parameter for the measurement of absorption efficiency in heat transfer during arc welding processes. In laser and electron beam welding, the proportion of energy absorbed by the metal is important. Thus, the factors responsible for the efficiency of energy absorption by the base metal are also discussed here.

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