An Investigation of the Enhanced Fatigue Performance of Low-porosity Auxetic Metamaterials
Abstract
An experimental and numerical investigation of fatigue life and crack propagation in two-dimensional perforated aluminum structures is presented. Specifically, the performance of positive Poisson’s ratio (PPR) geometries using circular holes is compared to that of auxetic stop-hole and straight-groove hole geometries. Mechanical fatigue testing shows that the considered auxetic structures have more than 20% longer life than the porous PPR...
Paper Details
Title
An Investigation of the Enhanced Fatigue Performance of Low-porosity Auxetic Metamaterials
Published Date
Sep 5, 2019
Journal
Volume
60
Issue
1
Pages
93 - 107
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