Efek Perendaman Air Biasa dan Air Garam Sampel Pintu Air Komposit Otomatis Terhadap Sifat Mekanik Bending dan Kekerasan
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Published:
Jun 30, 2021
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Abstract
Komposit UP-FG dipilih sebagai bahan penyusun pintu air komposit otomatis karena memiliki sifat plastik yang tahan terhadap air dan kekuatan yang cukup sebagai struktur penahan air. Penelitian ini bertujuan untuk mengetahui efek dari perendaman air biasa dan air garam terhadap sifat mekanik bending dan kekerasan pintu air otomatis selama rentang waktu 360, 720 dan 1080 jam dibandingkan tanpa perendaman. Hasil pengujian didapatkan penurunan sifat mekanik bending dan kekerasan baik akibat perendaman air biasa maupun air garam seiring lamanya waktu perendaman. Penurunan sifat mekanik dimungkinkan akibat terdifusinya air kedalam sampel pintu air komposit yang menyebabkan ikatan interfacial serat matrik menjdi lemah yang ditandai dengan penambahan berat sampel.
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