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Surface recovery and reconstruction after deformation

Abstract : Polymer's low weight, deformability and easy manufacturing make them attractive materials for tire, organic glasses, sealing applications … Their mechanical properties are nonetheless poorly understood. In particular, two fields are searched over this thesis: time dependency and contact behavior for two transparent polymer: PMMA and CR39. The mechanical behavior time dependency is observed by the construction of stress relaxation and contact master curves. The mechanical contact behavior is analyzed by indentation creep and recovery experiments. Moreover the immediate scratch recovery is measured in the thesis. Finally, the uniaxial data is used to build constitutive laws, which accuracy is compared by Finite Element Modeling to contact tests.
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Submitted on : Monday, December 9, 2019 - 10:56:15 AM
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LEJEUNE_Joseph_2014_ED182.pdf
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  • HAL Id : tel-02399585, version 2

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Joseph Lejeune. Surface recovery and reconstruction after deformation. Other [cond-mat.other]. Université de Strasbourg; Albert-Ludwigs-Universität (Fribourg-en-Brisgau, Allemagne), 2014. English. ⟨NNT : 2014STRAE031⟩. ⟨tel-02399585v2⟩

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