2004 | OriginalPaper | Chapter
Solidification
Author : Professor Dr. Günter Gottstein
Published in: Physical Foundations of Materials Science
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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In order to melt a metallic solid a certain amount of heat must be expended, the heat of melting. Different metals melt at different temperatures. This is related to the binding forces between the atoms. At the melting temperature, T m , the thermal energy per mole (RT m ) has to be of the same order of magnitude as the binding energy (heat of melting per mole, H m ): H m ≅RT m (Richards rule).