Pengaruh Variasi Suhu Siklus Termal Terhadap Karakteristik Mekanik Komposit Hdpe–Sampah Organik

Triono Karso, Wijang Wisnu Raharjo, Heru Sukanto


Abstract : The aim of this research is to examine the effect of thermal cycling on the characteristic of HDPE-organic waste composite including flexural strength, impact strength and shear press strength. Composite is made from HDPE waste and organic waste (leaves and twigs). The composite was made by using the pressured sintering method. The pressured sintering process was conducted at 10 minutes sintering time temperature of 120 °C with pressure of 8,7 kPa, and volume fraction of HDPE of 0.3. Thermal cycling of HDPE-organic waste composite use temperature range 60, 70, 80, 90, 100, 110 °C. Thermal cycling composites are tested in the form of mechanical strength including the flexural strength and shear press referring to ASTM D1037, and impact referring to ASTM D5941. Besides, the research observed the fracture surface of bending test results by using SEM (scanning electron microscopy) photos. Increased temperature of cycle 60-110 °C will break the bond between organic material and HDPE that affect the impairment for bending is 56.93%, for compression shear 71.75% and for impact is 74.33%.

Keywords : Composite, HDPE, Organic wast, Pressure sintering, Thermal cycling

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Mekanika: Majalah Ilmiah Mekanika

ISSN: 1412-7962 || eISSN: 2579-3144

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