Foundry Management & Technology, January 1st, 2000
Several factors must be considered to melt metal at the required rate with an adequate amount of superheat: composition of the material, type of fuel to be used, degree of refining and control, and type and size of melting unit. All four factors are intertwined, and the melting operation must be viewed as a total system.
Chemical and physical properties of charge materials influence melting and refining processes. Thermodynamic relationships govern what chemical reactions will take place.
Gray iron usually is melted in a cupola, induction, or an electric arc furnace. Melt composition is de...
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