PENGARUH WAKTU PERENDAMAN SERAT TANAMAN RAMI (BOEHMERIA NIVEAL) DENGAN ALKALI TERHADAP KEKUATAN TARIK KOMPOSIT BERMATRIK POLYESTER 157 BQTN

Prasetyo, Eko (2023) PENGARUH WAKTU PERENDAMAN SERAT TANAMAN RAMI (BOEHMERIA NIVEAL) DENGAN ALKALI TERHADAP KEKUATAN TARIK KOMPOSIT BERMATRIK POLYESTER 157 BQTN. Thesis thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

At the moment, the use and utilization of composite materials as an alternative to metal materials in the field of engineering has begun to grow. This is in line with the increasing use of metal materials that are increasingly widespread such as property, household tools to reach the small-scale, and large-scale industrial sectors. The purpose of research is to identify the effects of soaking times of 1, 2, 3, and 4 hours on hemp fiber-reinforced composites with alkaline treatment of polyester matrix on the tensile strength. The research method used was an experimental method. The results obtained from the tensile test of hemp fiber-reinforced polyester resin with an alkaline treatment time of 1 hour generated the average tensile stress of 31.42 MPa, 2 hours generated the average tensile stress of 35.44 MPa, 3 hours generated the average tensile stress of 36.19 MPa, and 4 hours generated the average tensile stress of 29.54 MPa. The highest tensile stress strength value was obtained at 3 hours soaking time and the lowest was 4 hours.

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