Experimental investigation of tensile properties in a glass-epoxy sample manfuactured by vacuum infusion, vacuum bag and hand layup process / Amin Abbasi Talabari in REVUE DES COMPOSITES ET DES MATERIAUX AVANCES, Vol. 29, N° 3 (06/2019)  

[article]  inREVUE DES COMPOSITES ET DES MATERIAUX AVANCES > Vol. 29, N° 3 (06/2019) . - p. 179-182 Titre : Experimental investigation of tensile properties in a glass-epoxy sample manfuactured by vacuum infusion, vacuum bag and hand layup process Type de document : texte imprimé Auteurs : Amin Abbasi Talabari, Auteur ; Mohammad Hossein Alaei, Auteur ; Hamid Reza Shalian, Auteur Année de publication : 2019 Article en page(s) : p. 179-182 Note générale : Bibliogr. Langues : Français (fre) Catégories : Caractérisation Collage Composites -- Moulage par infusion sous vide Composites à fibres de verre Composites à fibres de verre -- Propriétés mécaniques Epoxydes Essais de résilience Essais dynamiques Résistance à la traction Sac d'aspirateur Index. décimale : 668.4 Plastiques, vinyles Résumé : In order to achieve a high-quality composite, a proper manufacturing technique should be used. Glass Fiber Reinforced Plastic (GFRP) structures are commonly manufactured using hand layup, vacuum bag and vacuum infusion process (VIP) which are cost effective techniques. This paper compares the tensile strength, modulus, inter-laminar bonding and surface macroscopy of GFRP composites made by hand layup, vacuum bag and VIP process. For this reason, at first GFRP sample were manufactured using these three methods and then tested for tensile properties. In the next step, these samples were modeled numerically and compared. The results show that the strength of the sample made by VIP process is 20 % higher than the hand layup and 11 % higher than vacuum bag sample. Also, the modulus of the sample achieved using VIP is 21 % higher that hand layup and 15% higher than vacuum bag technique. By comparing the failure mechanism of the samples, it was observed that the inter-laminar bonding is highest in VIP and then vacuum bag and lastly hand layup due to a smaller number of voids. Lastly the numerical results showed to have a good agreement with the experimental results. Note de contenu : - Material - Sample manufacturing - Characterization of the sample - Fig. 1 : Manufacturing of the composite sample - Fig. 2 : The prepared composite tensile samples by three technique - Fig. 3 : Samples tested - Fig. 4 : Comparison of samples tested by all three processes - Fig. 5 : The failed tensile samples - Fig. 6 : Comparison of the microscopic surface of the samples made in three ways DOI : https://doi.org/10.18280/rcma.290308 En ligne : https://www.iieta.org/download/file/fid/17473 Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34864 [article]

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