Surface energy and electron work function of aluminum and lead crystal faces
I.G. Shebzukhova1, L.P. Aref`eva2
1 Kabardino- Balkarian State University named after H.M. Berbekov
2 Don State Technical University
DOI: 10.26456/pcascnn/2025.17.308
Original article
Abstract: Technological processes and operational properties of materials largely depend on the surface properties of metals. Aluminum and lead are widely used in various industries, but there is still a wide range of experimental data on their surface energy and electron work function. Changes in these characteristics with increasing temperature have not been studied in practice. In this regard, the surface energy of the faces of aluminum and lead crystals was evaluated using the electronic statistical method, taking into account the contributions of dispersion, polarization, and oscillation corrections, as well as thermal effects. The analytical relationship between the surface energy and the electron work function of densely packed single crystal faces allowed us to evaluate the effect of temperature on the anisotropy of the properties under study. A comparison of changes in the tensile strength and surface energy of aluminum and lead polycrystals has shown the possibility of developing an analytical relationship between these values, which will make it possible to predict the behavior of metals and alloys, including materials with reduced dimensionality. However, in addition to the relationship between the surface energy of polycrystals, the cohesion energy, and the tensile strength, it is necessary to take into account other components of the fracture energy of materials.
Keywords: surface energy, electron output work, anisotropy, electron statistical method, tensile strength, aluminum, lead
- Irina G. Shebzukhova – Dr. Sc., Professor, Department of Theoretical and Experimental Physics, Kabardino- Balkarian State University named after H.M. Berbekov
- Ludmila P. Aref`eva – Dr. Sc., Professor, Department of Material Science and technology of metals, Don State Technical University
For citation:
Shebzukhova I.G., Aref`eva L.P. Poverkhnostnaya energiya i rabota vykhoda elektrona granej kristallov alyuminiya i svintsa [Surface energy and electron work function of aluminum and lead crystal faces], Fiziko-khimicheskie aspekty izucheniya klasterov, nanostruktur i nanomaterialov [Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials], 2025, issue 17, pp. 308-316. DOI: 10.26456/pcascnn/2025.17.308. ⎘
Full article (in Russian): download PDF file
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