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Conference papers

Cavitation erosion in UHMWPE: a three-dimensional FEM study

Abstract : In high velocity liquid flows, bubbles nucleate in regions of low pressure. These bubbles then grow to large size (often their final radius is many times greater than nucleation radius) and subsequently collapse in the high pressure region. Repeated implosions of these bubbles near a solid surface lead to significant surface damage and mass erosion. It has been experimentally observed that polymers such as Ultra-High Molecular Weight Polyethylene (UHMWPE) possesses a better resistance to cavita-tion erosion than Aluminium alloys and Bronze alloys and even stainless steels. In this numerical study, we perform a finite element study on the cavitation erosion in UHMWPE. In the first phase, a rate-dependent elastic-viscoelastic-viscoplastic constitutive model is calibrated to simulate the response of UHMWPE under different loading conditions and within a rather large range of strain rates (10 −4 to 2000s −1). In the second phase, the effect of a single bubble collapse on a UHMWPE specimen investigated.
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Contributor : Jean-Pierre Franc Connect in order to contact the contributor
Submitted on : Wednesday, May 13, 2020 - 9:33:13 PM
Last modification on : Tuesday, December 7, 2021 - 2:08:08 PM


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  • HAL Id : hal-01213262, version 1



Brunda Kattekola, Marc C. Fivel, Jean-Pierre Franc. Cavitation erosion in UHMWPE: a three-dimensional FEM study. European Conference on Constitutive Models for Rubber, Sep 2015, Liberec, Czech Republic. pp.219-224. ⟨hal-01213262⟩



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