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All Journal Rekayasa Mesin ROTOR: JURNAL ILMIAH TEKNIK MESIN Journal of Energy, Mechanical, Material and Manufacturing Engineering Adimas : Jurnal Pengabdian Kepada Masyarakat Society: Jurnal Pengabdian Masyarakat Jurnal Pengabdian Masyarakat Bangsa Ahsana: Jurnal Penelitian dan Pengabdian kepada Masyarakat Jurnal Pengabdian Sosial
Mohamad Irkham Mamungkas
Universitas Muhammadiyah Malang
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Energy Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Effect of magnesium addition in aluminum A1100 casting process on its hardness Rigel, Muhammad; Murjito, Murjito; Mamungkas, Mohamad Irkham
Journal of Energy, Mechanical, Material, and Manufacturing Engineering Vol. 9 No. 1 (2024)
Publisher : University of Muhammadiyah Malang

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Abstract

This study investigated the effect of adding magnesium to the hardness of aluminum A 1100 in the casting process using Rockwell testing. Aluminum A 1100 is known to have relatively low mechanical strength but has good corrosion properties. The addition of magnesium is done to increase the hardness of aluminum A 1100. Aluminum A 1100 samples are made with variations of adding 0%, 2%, 4%, and 6% by weight. Casting is carried out using prepared sand molds, and the resulting A 1100 aluminum specimens are tested by Rockwell testing. The findings could guide industries that use aluminum A 1100 in applications requiring higher hardness, such as automotive or manufacturing. In addition, this research may serve as a foundation for further studies on the effect of magnesium addition on the mechanical properties of aluminum A 1100 using different test methods.
Introduction to Energy and Energy Saving Culture for ABA 25 Malang Kindergarten Students Mamungkas, Mohamad Irkham; Subekti, Nur; Murjito, Murjito
Society : Jurnal Pengabdian Masyarakat Vol 4, No 4 (2025): Juli
Publisher : Edumedia Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55824/jpm.v4i4.590

Abstract

This community service departs from the lack of basic understanding of ABA 25 Malang kindergarten students about the concept of energy and the importance of an energy-saving culture, a crucial issue given the challenges of the energy crisis and global climate change. To overcome this problem, we implemented a solution in the form of an interactive educational program designed specifically for early childhood. The methods used include storytelling, simulation games, educational songs, and hands-on practices (e.g. turning off lights when leaving the room or closing the water tap after use) that are presented in an interesting and digestible manner. The results of this community engagement activity showed a significant increase in students' awareness and understanding of various energy sources as well as the benefits of energy saving, as evidenced by the positive responses and simple behavioral changes that began to be demonstrated in daily activities at school. The conclusion of this service confirms that a fun and practical educational approach at an early age is very effective in instilling energy conservation values and building the foundation of environmental awareness for future generations.
Co-Authors Achmad Fauzan, Achmad Arief Andrian N. Daryono Daryono, Daryono Heni Hendaryati M. Ulul Albab Moch. Agus Choiron Muhammad Alif Akbar Murjito Murjito Nur Subeki Nur Subekti Rigel, Muhammad Suprianto, Herry Suwarsono Suwarsono Wahyono Suprapto