Influence of Pressure of Electron Gas on Elastic Property of Metal

Li Jun He

doi:10.4028/www.scientific.net/AMR.602-604.857

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 602-604Influence of Pressure of Electron Gas on Elastic...

Influence of Pressure of Electron Gas on Elastic Property of Metal

Abstract:

A balloon filled with electron gas model was built to simulate metal for calculating its bulk elastic. Electron gas obeyed Fermi-Dirac distribution and satisfied with theory of ideal gas. Expression of metal bulk elastic modulus was derived, and the comparison between the new method given in this paper with current method according to theory of atom potential energy on calculation accuracy was also given. It showed that, pressure of electron gas closely related to bulk elastic modulus, and maybe it was the major factor in determining bulk elastic modulus of metal; not all of valence electrons of atom in metal became conduction electrons to form the electron gas; new model of present work is superior to traditional method based on calculating derivative of potential energy.

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Periodical:

Advanced Materials Research (Volumes 602-604)

Pages:

857-860

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.602-604.857

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Online since:

December 2012

Authors:

Li Jun He

Keywords:

Bulk Elastic Modulus, Electron Gas, Metal, Pressure

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References

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