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Characterisation of the dilatational stress relaxation for viscoelastic Polyurethane materials

Abstract : This contribution deals with three grades of polyurethane (PU) devoted to ensure sealing of filter cartridge endplate. PU is an amorphous polymer whose microstructure depends on the supplier processing. During service, the endplates are submitted to complex thermo-mechanical loading consisting of an applied pressure with a continuous increase of the temperature. The inner diametrical dilatation is the key parameter that has to be controlled. The main loading deals then with transient thermal expansion as well as hydrostatic pressure.
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Submitted on : Thursday, March 24, 2011 - 10:16:06 AM
Last modification on : Thursday, September 24, 2020 - 6:30:07 PM
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Angélique Consil, Noëlle Billon, Lucien Laiarinandrasana. Characterisation of the dilatational stress relaxation for viscoelastic Polyurethane materials. 14th International Conference on Experimental Mechanics (ICEM 14), Jul 2010, Poitiers, France. Article Number 03004 - 2 p., ⟨10.1051/epjconf/20100603004⟩. ⟨hal-00579510⟩

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