This scientific work is devoted to the studying of the genetic connection structures of solid and liquid phases.

Fourier analysis of signals of acoustic emission (AE) accompanying melting high purity aluminum from the melting point up to t = 860 degrees Celsius was performed.

Based on the results of previous studies [1, 2] cluster formations  in the melt – the micro-regions, those retain crystallinity (areas with short-range order of symmetry) were considered as the source of  AE.

The experimental data allowed to follow the dynamics of disorder zones range order in the melt with increasing melt temperature up to their complete destruction. 

The presented  results of spectral analysis of the signals were analyzed from the standpoint of the theory of cluster melting metals.

1. Vorontsov V. B., Zhuravlev D. V., Vorontsov V. B., Zhuravlev D. V., "Cluster mechanism of solid phase forming at the example of growth of aluminium single-crystals of melt", Journal FOUNDRY PRODUCTION AND METALLURGY, 3 (57) ‘2010, p. 230;

2. Vorontsov V. B., Zhuravlev D. V., "Analysis of Acoustic Emission Signals Accompanying Growth of Single Aluminum Crystals: Experimental Results and Theoretical Model of the Cluster", Journal of Chemistry and Chemical Engineering, ISSN 1934-7375, USA, 6 (2012) 358-362;

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