Výsledky vyhledávání - "BURNS, S. J."

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Experimental investigation of Lord Kelvins isentropic cooling and heating expression in tensile bars for two engineering alloys

Autor: Burns, S. J., Pratt, C. E., Carrock, J., Gagnon, J-P, Sefkow, A. B.

Solids when rapidly and elastically stressed change temperature, the effect proposed by Lord Kelvin is adiabatic thermo-elastic cooling or heating depending on the sign of the stress. A fast sensitive IR camera has measured temperature both decreasin

Externí odkaz: http://arxiv.org/abs/2311.06371

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Linear Dielectric Thermodynamics: A New Universal Law for Optical, Dielectric Constants

Autor: Burns, S. J.

Linear dielectric thermodynamics are formally developed to explore the isothermal and adiabatic temperature - pressure dependence of dielectric constants. The refractive index of optical materials is widely measured in the literature: it is both temp

Externí odkaz: http://arxiv.org/abs/2006.05967

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Universal Law for the Elastic Moduli of Solids and Structures

Autor: Burns, S. J., Burns, Sean P.

Publikováno v: Int J Sol Str, 279, 2023, 112347

A law previously found for shear moduli of crystalline materials is developed and extended to all elastic moduli in solids and structures. Shear moduli were previously shown to depend only on specific volume. The bulk moduli of many materials and str

Externí odkaz: http://arxiv.org/abs/2006.05936

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77 New Thermodynamic Identities among Crystalline Elastic Material Properties Leading to a Shear Modulus Constitutive Law in Isotropic Solids

Autor: Burns, S. J.

Thermodynamics of crystalline materials is analyzed using strain volumes, an incremental tensorial state variable which is the volume per unit mass multiplied by the incremental strain.
Comment: 28 Pages, 5 large tables and 2 figures

Externí odkaz: http://arxiv.org/abs/1807.10226

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