This paper aims study of natural fiber composites bonded with epoxy resin. The natural fibers are used banana and sisal as material for the fabrication of laminating board. The laminated boards were fabricated by wooden mould fiber stitching method. Twice chemically treated fibers showed good results in flexural strength. For the orientations such as 0-90 and 45-45 gives better results for Flexural strength as well as for tensile strength. By increasing layers one can increase flexural and tensile strength.
This paper compares the tensile strength of an adhesively bonded single cross lap joint with and without the addition of multiwall carbon nanotubes (MWCNT) in the adhesive. Tensile strength analysis of adhesively bonded cross lap joint is done by applying pulling load which produces tensile stress at overlap between two substrates which joined together by using adhesive. Cross lap joint were created using Al-Al substrates. Five tests were performed on Al-Al substrates with and without the addition of MWCNT in the adhesive for each specimen. MWCNT filler particles increase the toughness and strength of epoxy resin when compared to epoxy resin that does not contain MWCNT. MWCNT fill epoxy resin increases toughness and resists crack formation, increasing the interface strength between two substrates.
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