Publicou 4 edições por ano
ISSN Imprimir: 2152-2057
ISSN On-line: 2152-2073
Indexed in
TRIBOMECHANICAL PERFORMANCE OF GLASS–EPOXY HYBRID COMPOSITES FILLED WITH MARBLE POWDER WITH THE TAGUCHI DESIGN AND ARTIFICIAL NEURAL NETWORK
RESUMO
The present article describes the mechanical properties and erosion wear behavior of marble powder-filled epoxy-based glass fabric composite. This new class of composites are fabricated by handlay-up technique with marble content of 0, 5, 10, and 15 wt.% and a constant fiber loading. The mechanical and tribological properties of samples are studied. The experimental study reveals that marble powder-filled composites show better tensile modulus, impact and hardness resistance, while a decrease in the flexural and tensile strength is observed. The erosion test was conducted by considering different control factors as velocity of impingement, impact angle, type of material, size of erodent, etc. Taguchi's experimental design is applied to obtain the optimum factor combination for minimum erosion loss of material. Another predictive model based on ANN was also used to correlate the erosion performance of these composites. The experimental and predicted models closely matched with each other to set the optimal control factor for minimum erosion loss. The morphological behavior of the eroded composites is also observed using SEM, and various wear mechanisms responsible for the erosion loss have been discussed.
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