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Evidence and modeling of mechanoluminescence in a transparent glass particulate composite

Abstract : Mechanoluminescence (ML) of a transparent alkali-phosphate glass composite with SrAl2O4:Eu, Dy particles is reported. Uniaxial compression experiments show the linear dependence of the mechanoluminescence intensity with the mechanical power. A theoretical model, based on the physics of delayed processes (in analogy of viscoelasticity), is proposed. This model accurately predicts the ML intensity changes induced by a complex mechanical loading and provides a convincing description of the mechanoluminescence response.
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https://hal.archives-ouvertes.fr/hal-01219188
Contributor : Marion Dubernet <>
Submitted on : Thursday, October 22, 2015 - 11:18:05 AM
Last modification on : Wednesday, May 20, 2020 - 2:38:03 PM
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Marion Dubernet, Yann Gueguen, Patrick Houizot, Fabrice Célarié, Jean-Christophe Sangleboeuf, et al.. Evidence and modeling of mechanoluminescence in a transparent glass particulate composite. Applied Physics Letters, American Institute of Physics, 2015, Applied Physics Letters, 107 (15), pp.151906. ⟨10.1063/1.4933331⟩. ⟨hal-01219188⟩

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