Melting temperature of Platinum and Cobalt metals under high pressure
Main Article Content
Abstract
Platinum (Pt) and Cobalt (Co) are considered two rare transition metals with wide applications in life due to their excellent physical properties such as inertness, very little corrosion even under harsh conditions, and relatively high electrical and thermal conductivity. Studying the melting properties of Pt and Co is fundamentally importance. In the present work, the pressure-dependent melting curves of Pt and Co are calculated based on the combination of Lindemann melting conditions with the Grüneisen parameter in the Debye model and Vinet’s equation of state. The numerical calculation results performed up to pressure 80 GPa show that the melting temperature increases relatively rapidly with increasing pressure, the obtained melting curves of Pt and Co under high pressure have a good similarity with the experimental data given in comparison which allows us to believe that the effectiveness of the theoretical calculation model we presented is significant and can be applied to study the melting properties of other metals under high pressure conditions.
Keywords
Melting temperature, Platinum, Cobalt, high pressure, Grüneisen parameter, Lindemann melting conditions.
Article Details
References
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