Mechanical and tribological properties of snake grass fibers reinforced epoxy composites : effect of Java plum seed filler weight fraction / Natarajan Ponnusamy in INTERNATIONAL POLYMER PROCESSING, Vol. 38, N° 5 (2023)  

[article]  inINTERNATIONAL POLYMER PROCESSING > Vol. 38, N° 5 (2023) . - p. 582-592 Titre : Mechanical and tribological properties of snake grass fibers reinforced epoxy composites : effect of Java plum seed filler weight fraction Type de document : texte imprimé Auteurs : Natarajan Ponnusamy, Auteur ; Ponnusamy Rajasekaran, Auteur ; Manoharan Mohanraj, Auteur ; Shanmugam Devi, Auteur Année de publication : 2023 Article en page(s) : p. 582-592 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Charges (matériaux) Composites à fibres végétales -- Propriétés mécaniques Epoxydes Fibres d'herbe à serpents Fibres végétales -- Propriétés mécaniques Fibres végétales -- Propriétés physiques Graines de prunier de Java et constituants Réticulants Tribologie (technologie) Index. décimale : 668.4 Plastiques, vinyles Résumé : Natural fiber composite materials are able to compete with common synthetic materials in situations where the strength-to-weight ratio is important. In this study, we aim to analyze the mechanical, tribological, and surface morphology of composites fabricated from randomly oriented snake grass natural fiber with java plum seed filler. Different weight ratios of fiber to seed filler are chosen: 30:0, 28:2, 26:4, 24:6, 22:8, and 20:10. A 70 % epoxy resin was kept constant in all compositions. The fabricated hybrid composite samples were subjected to tensile, flexural, shear, Shore D hardness, water absorption, and wear tests as per ASTM standards, and the results were compared with those of snake grass mono fiber composites. The 20:10 composite has the maximum tensile strength, impact resistance, flexural strength, hardness, water absorption, and wear resistance compared to other composites. The fiber/matrix adhesion was explored using a scanning electron microscope (SEM). The 20:10 composite shows predominant mechanical and tribological characteristics, making it easier to utilize in structural and automotive applications. Note de contenu : - MATERIALS AND METHODOLOGY : Materials - Fiber extraction - Alkali treatment - Composite fabrication process - TESTING OF COMPOSITE MATERIALS : Water absorption - Hardness Tensile - Flexural - Impact - Wear - Morphology - RESULTS AND DISCUSSION : Water absorption behavior - Shore D hardness - Tensile properties - Flexural properties - Impact test - Specific wear rate and coefficient of friction - Surface morphology investigation of wear specimens - SEM analysis of flexural fractured specimens - Table 1 : Physical and mechanical properties of snake grass fiber - Table 2 : Properties of LY 556 epoxy resin - Table 3 : Chemical properties of hardner HY951 - Table 4 : Composite sample details DOI : https://doi.org/10.1515/ipp-2023-4376 En ligne : https://drive.google.com/file/d/1QuqGH_32knaz78nLhk3w75H1t36jJOfr/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40290 [article]

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