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All Journal Journal of Community Service in Science and Engineering Trends in Mechanical Engineering Research
Santosa, Irfan
Universitas Pancasakti Tegal
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Transportation

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COMPARATIVE STUDY OF ADHESIVE STRENGTH IN MAHOGANY WOOD LAMINATED COMPOSITES Oetama, Pandoe Satria; Sunardi, Sunardi; Ula, Shofiatul; Yusuf, Yusvardi; Dwinanto, Dwinanto; Listijorini, Erny; Santosa, Irfan
Trends in Mechanical Engineering Research Vol 3, No 01 (2025): June
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v3i01.34091

Abstract

Adhesive technology has seen significant advancements in recent years. Compared to welding or threaded joints, adhesives provide a straightforward mechanism for joining material interfaces. Due to practicality allows for the potential development of adhesives with strengths comparable to those of traditional joints. In this study, a modified type of Polyvinyl Acetate (PVAc) adhesive was utilized as a binder for mahogany wood surfaces. The choice of PVAc adhesive is due to its common use in everyday applications, particularly in the woodworking industry. Additionally, this adhesive is relatively safe for both health and the environment. The study examined three types of adhesives: PVAc white adhesive, PVAc yellow adhesive, and a combination of the PVAc white and yellow adhesive. These adhesives were used to bond the wood surfaces, and the bond strength at the interface was evaluated through a flexural test. The results showed that the adhesive strength of white adhesive reached 111 MPa, while the mixed adhesive and yellow adhesive exhibited flexural strengths of 74.2 MPa and 63.4 MPa, respectively. Notably, the presence of white glue was found to enhance the flexural strength of mahogany wood even in the absence of adhesive.
Empowering Floating Net Cage Fish Farmers Through Educational Strategies in Bohe Silian Village, Berau, East Kalimantan Santosa, Irfan; Farid, Ahmad; Rusnoto, Rusnoto; Siswiyanti, Siswiyanti; Laga, Surya; Sunardi, Sunardi
Journal of Community Service in Science and Engineering (JoCSE) Vol 5, No 1 (2026): Available Online in April 2026
Publisher : Faculty of Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/jocse.v5i1.39755

Abstract

Cantang grouper (Epinephelus fuscoguttatus × Epinephelus lanceolatus) is a high-value aquaculture commodity in Indonesia. However, small-scale farmers in remote areas such as Bohe Silian Village, Berau, frequently suffer significant economic losses due to high fish mortality rates caused by poor health management and fluctuating water quality. This study aims to evaluate the effectiveness of a strategic educational intervention in enhancing farmers' technical capacity for fish health management in floating net cages (Keramba Jaring Apung/ KJA). A participatory community empowerment approach was employed, combining theoretical socialization, on-site demonstrations, and intensive mentoring. The results program significantly improved farmers' multidimensional knowledge and technical skills in water quality and disease management, with success rates of 79%, 97%, 79%, and 80%, across technical, ecological, economic, and social aspects, respectively. Ultimately, the initiative demonstrated that participatory education strategies effectively strengthen the resilience of small-scale aquaculture in remote coastal areas.
Co-Authors Dwinanto, Dwinanto Laga, Surya Listijorini, Erny Oetama, Pandoe Satria Rusnoto, Rusnoto Siswiyanti, Siswiyanti Sunardi, Sunardi Ula, Shofiatul Yusuf, Yusvardi