Product of the hardness of a solid body and the squared RMS velocity of strain waves having the characteristics typical of the elastic modulus is referred to as the effective elastic modulus. The ratio of the bulk compression modulus to the effective elastic modulus of optical glasses is an unambiguous function of Poisson’s coefficient. The nature of Poisson’s coefficient of the glasses is discussed.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 5, pp. 89–95, May, 2015.
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Sanditov, D.S., Darmaev, M.V. Elastic Moduli and Poisson’s Coefficient of Optical Glasses. Russ Phys J 58, 683–690 (2015). https://doi.org/10.1007/s11182-015-0551-4
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DOI: https://doi.org/10.1007/s11182-015-0551-4