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All Journal Journal of Applied Mechanical Engineering Innovation
Arif Marwanto
Universitas Negeri Yogyakarta, Indonesia

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The Influence of Matrix Shape and Resin Composition on Tensile and Bending Strength Zufar Jamaluddin; Yatin Ngadiyono; Arif Marwanto
Journal of Applied Mechanical Engineering Innovation Volume 01, No. 02 October 2025
Publisher : Program Studi Sarjana Terapan Teknik Mesin, Fakultas Vokasi, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jamei.v1i2.3040

Abstract

This study aims to determine the differences in tensile and bending strength caused by the use of 45° and 0° fiber orientations, to identify the ideal resin and catalyst composition, and to explain the mismatch between direct testing and ANSYS simulation results. The research used an experimental method. The specimen manufacturing process included preparation of tools and materials, mold preparation, resin-catalyst mixing, fiber preparation, vacuum infusion, cutting, and sanding. The specimens were manufactured using hand lay-up and vacuum infusion by arranging fibers on the mold and applying vacuum pressure at the end of the fabrication process. The results show that carbon composite laminates with 0° fiber orientation provide greater tensile and bending strength than those with 45° fiber orientation. The carbon composite had the highest tensile load when the resin and catalyst composition was 4:1, while the highest bending load was obtained for the 3:1 resin and catalyst composition. The difference between simulation and direct testing was caused by the assumption in ANSYS that the fiber-matrix bonding was perfect, while in actual specimens the resin distribution and bonding varied due to the vacuum infusion process.
Design And Construction Of A Simple Incinerator For Household Waste Combustion Syafrizal Fachri Aziz; Arif Marwanto
Journal of Applied Mechanical Engineering Innovation Volume 2, No. 01 April 2026
Publisher : Program Studi Sarjana Terapan Teknik Mesin, Fakultas Vokasi, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jamei.v2i1.844

Abstract

This study aimed to design and construct a simple incinerator that produces minimal smoke, is easy to operate, and performs effectively for household waste combustion. The research used a research and development (R&D) method with the ADDIE development model, consisting of Analysis, Design, Development, Implementation, and Evaluation. At the design stage, five main components were produced: a combustion furnace with dimensions of 360 mm × 590 mm, a frame of 360 mm × 360 mm × 500 mm, a boiler, a fuel container, and a furnace cover. The development stage included fabrication, assembly, and finishing, while the implementation stage involved performance testing using cardboard waste and dry teak leaves, each tested twice with a mass of 2 kg and used oil as fuel. The results showed that the incinerator burned cardboard waste at a combustion rate of 9.545 kg/hour and dry teak leaves at 10.67 kg/hour. The combustion process reached a reported summary temperature of 1075°C. The waste reduction effectiveness was 89.5% for cardboard waste and 91.5% for teak leaves, with an average effectiveness of 90.5%. These results indicate that the device can be used as a controlled small-scale combustion system for household waste management.
Co-Authors Syafrizal Fachri Aziz Yatin Ngadiyono Zufar Jamaluddin