Model of Melting and Heat Transfer in Metals

E. S. Filippov


Volumetric relationships under the thermal expansion of metals are analyzed. It is shown that the metals with the bcc structure possess a two-step structural change at the melting point: first, the transformation of the bcc structure to a fcc one takes place and then, liquid phase clusters with K = 12 are formed. The hexagonally packed (6 + 6) layered Cd and Zn change their structure from K=6 to K = 8 before melting. For the polymorphic transformations fcc (hcp) -- bcc, the value of thermal expansion was sufficient to change K = 12 for K = 8 long before the melting point. It is assumed that at high temperatures, thermal energy transfer is associated with the exchange fluctuations: higher electron density +K lambda  and low electron density –K lambda  over the coordinate of interatomic distances, wher lambda = h/mc and K is the number of nearest neighbors.

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Copyright (c) 2017 E. S. Filippov

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Applied Physics Research   ISSN 1916-9639 (Print)   ISSN 1916-9647 (Online)   Email:

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