PENGARUH VARIASI WAKTU PERENDAMAN ALKALI SERAT DAUN NANAS BERMATRIKS EPOXY TERHADAP KEKUATAN TARIK DAN ANALISIS MORFOLOGI

PRASETYO, ARI (2020) PENGARUH VARIASI WAKTU PERENDAMAN ALKALI SERAT DAUN NANAS BERMATRIKS EPOXY TERHADAP KEKUATAN TARIK DAN ANALISIS MORFOLOGI. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Natural fiber composites are now widely used in the manufacturing industry. Besides the materials that are easily obtained, natural fibers are able to compete with synthetic fibers because they have the advantage of being corrosion resistant, inexpensive, lightweight, strong, and easy manufacturing process. The purpose of this study was to study the tensile strength and morphology of the composite of pineapple leaves fiber reinforced composites. The reinforcing materials used in making composites were pineapple leaves fiber and the matrix used was epoxy. The composites used the Hand Lay Up method with a random arrangement of fibers. The fiber was soaked in soaking 0, 30, 60, 90, and 120 minutes with 15% alkaline (NaOH) concentration. The test was carried out to investigate the tensile strength according to the tensile test standard (ASTM D-638). The results of the combined tensile testing of leaves fibers indicated that the lowest strength was at 60 minutes immersion with 29.18 MPa and the highest tensile strength was at 30 minutes immersion variation with 33.49 MPa. Based on the results, SEM looks cracked, fiber pull out and void

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