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Pemanfaatan Energi Alternatif di SMAN 1 Labuapi M. Mirmanto; S. Sugiman; A.D. Catur; P. Pandiatmi; N. Nurpatria; S. Syahrul
JURNAL KARYA PENGABDIAN Vol 1, No 3 (2019): Oktober, Jurnal Karya Pengabdian
Publisher : Universitas Mataram

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Abstract

Counselling about the use of alternative energy has been carried out at SMAN 1 Labuapi as a partner. This counselling needs to be done because based on the analysis of the situation, the people around SMAN 1 Labuapi desperately need energy assistance. Meanwhile, in the area around the SMAN 1 Labuapi, there is plenty of alternative energy. Therefore, the main purpose of implementing community service is to motivate the community, especially the community of SMAN 1 Labuapi, to be able to provide their own energy. Then, it is hoped that SMAN 1 Labuapi is expected to provide a model of alternative energy utilization to meet the energy needs of the wider community of Desa Labuapi continuously. The method used in this service is the method of counselling and demonstration about the use of alternative energy. The results of service are changes in the behaviour of the people of SMAN 1 Labuapi to utilize alternative energy. One tool that had been practised was a biogas maker unit using gallons of Narmada.
Effect of the addition of backing support plates on the shear strength of aluminium and steel adhesively bonded joints A.I. Putra; S. Sugiman; A.D. Catur; H. Ahmad
Dinamika Teknik Mesin Vol 15, No 2 (2025): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v15i2.1080

Abstract

The use of adhesive joints has been increasing in joining metallic and non-metallic materials due to advantages such as homogeneous stress distribution and a smooth surface appearance. This study aims to analyze the effect of support plates on the shear strength of aluminium and steel adhesively bonded joints. The position of the  support plates was studied within the overlap area. Experimental testing was carried out using single lap joint specimens per ASTM D1002. Finite element modelling was also carried out using Abaqus software to analyze the stress distribution in the adhesive layer. The experiment results showed that the addition of the support plates did not increase the shear strength of the joint, but instead tended to decrease it. The strength of aluminium joints with support plates at a distance of 3.125 mm from the end of the lap of the joint decreased by 62%, while the strength of steel joints decreased by about 38%. Finite element modelling results show that von Mises stress at the end of the lap joint decreased with the addition of support plates.