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All Journal FLYWHEEL : Jurnal Teknik Mesin Untirta Trends in Mechanical Engineering Research
Sunardi, Sunardi
Department of Mechanical Engineering, Faculty of Engineering, Universitas Sultan Ageng Tirtayasa.
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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STUDY OF PARTICLE BOARDS CHARACTERISTIC BASED ON SENGON WOOD PARTICLE AND OIL PALM EMPTY FRUIT BUNCHES Sunardi, Sunardi; Putra, Rizky Kurnia; Lusiani, Rina; Saefuloh, Iman; Sudrajad, Agung
Trends in Mechanical Engineering Research Vol 1, No 1 (2023): June
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v1i1.20477

Abstract

Oil palm empty fruit bunches (OPEFB) as a by-product of the palm oil processing industry. This waste can cause problems for the environment and human health. Utilization of OPEFB waste as particle board material to reduce this waste. The composition of the particle board is based on volume fraction, namely 15% empty palm fruit fiber, 15% epoxy resin, 20% PVAc adessive, and 50% sawdust. The manufacturing process of samples was carried out using the single punch cold press method with compaction pressure of 10, 30, and 50 bar. The experimental results show that a compacting pressure of 10 bar can produce particle board performance according to SNI 03-2105-2006 with a characteristic density of 0.93 gram/cm3, thickness swelling of 2.52%, hardness of 24 N/mm2, flexural strength of 840.05 N/mm2, and impact strength 6.00 kJ/m2.
The Effect of Artificial Aging on Al 6061/SiC Composite Produced by Thixoforming Ula, Shofiatul; Alhamidi, A. Ali; Sunardi, Sunardi; Satria, Dhimas; Yusuf, Yusvardi; Setiawan, Ipick; Verdana, Narendra Putra
FLYWHEEL : Jurnal Teknik Mesin Untirta Vol 11, No 1 (2025): April
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fwl.v11i1.34503

Abstract

Thixoforming improves material properties better than conventional methods through the formation of non-dendritic or rounded structures. This study aimed to optimize the mechanical properties of Al 6061/SiC composites by adding Mg as a wetting agent through stir casting, thixoforming, and artificial aging processes. The holding time during the artificial aging process was varied to investigate its effect on microstructure, hardness, and impact toughness. SEM analysis revealed a more uniform distribution of SiC particles with increasing holding time, indicating the effective formation of Mg2Si precipitates. The maximum hardness of 48.5 HRB and the highest impact toughness of 0.022 J/mm² were obtained at the longest holding time of 3 hours. This indicates that the formation of homogeneous Mg2Si precipitates during the artificial aging process significantly contributed to the improvement of the composite's mechanical properties.
Co-Authors Agung Sudrajad Alhamidi, A. Ali Dhimas Satria Lusiani, Rina Putra, Rizky Kurnia Saefuloh, Iman Setiawan, Ipick Ula, Shofiatul Verdana, Narendra Putra Yusuf, Yusvardi