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All Journal Jurnal Bahan Alam Terbarukan Rekayasa Mesin Info-Teknik Journal of Mechanical Engineering Science and Technology SENTIA 2016 JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Pengabdian Kepada Masyarakat Logic : Jurnal Rancang Bangun Dan Teknologi Journal of Applied Mechanical Engineering and Renewable Energy (JAMERE) Jurnal ELTEK Enrichment: Journal of Multidisciplinary Research and Development Jurnal Polimesin Jurnal Pengabdian Kepada Masyarakat
Anggit Murdani
Politeknik Negeri Malang
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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The Effect of Composition and Type of Metal Filler on Heat Resistance of Silica Rubber Matric Composites R.N. Akhsanu Takwim; Anggit Murdani; Purwoko; Bayu Pranoto; Naufal Reza Putra
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 23 No. 3 (2023): November
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v23i3.169-174

Abstract

Thermal Tensioning is one of the methods use to minimise the occurrence of residual stress and unwanted distorsion during welding. One of the thermal tensioning methods is Static Thermal Tensioning (STT), which involves countering thermal stress during welding. The STT method requires an active cooling behind the welding line. Several properties are required for the coolant material, such as thermal conductivity, heat resistance, and good flexibility. To achieve the desired properties, a mixture of different materials was used, commonly called a composite. The purpose of this study is to know the effect of filler metal composition and type on the heat resistance of silica rubber matric composites. This study used 2 independent variables: the filler composition in composites with variations of K1 (60%) and K2 (70%), and the type of filler metal, aluminium and copper powder with variation J1 (100%-0%), J2 (75%-25%), J3 (50%-50%), J4 (25%-75%), and J5 (0-100%). The testing process used Thermogravimetry Analysis (TGA) method with replication 2 times. The results of this study showed the specimens with K1;J1 composition,containing 60% pure aluminium filler metal, showed the best heat resistance with a final weight of 88,25%. While specimens with K2;J5 composition, containing 70% pure copper filler metal, showed the worst heat resistance with a final weight of 74,25%.
Resin Type and Fiber Layer Effects on the Flexural Strength of Polymer-Jute Composites Samudra, Ahmad Krisna Aji; Murdani, Anggit
Enrichment: Journal of Multidisciplinary Research and Development Vol. 3 No. 9 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v3i9.554

Abstract

Natural fiber-reinforced composite materials are increasingly replacing plastics in engineering applications such as architecture, construction, and the automotive industry. Among them, jute fiber has shown potential to improve the mechanical properties of polymer composites. The advantages of natural fibers include biodegradability, renewability, and environmental friendliness. However, due to their anisotropic nature, further research is required to enhance the performance of natural fiber-reinforced composites. This study aims to evaluate the effect of fiber layer number and resin type on the flexural strength of jute fiber-reinforced polymer composites, with the goal of developing a potential replacement material for the motorcycle center body cover. Specimens were fabricated using the vacuum resin infusion process with variations of 1, 2, 3, and 4 fiber layers, and two types of resin—polyester and epoxy. The flexural strength was evaluated using a three-point bending test according to the ASTM D7264 standard. The results indicated that the highest flexural strength of 96.88 MPa was obtained in jute fiber–polyester composites with a three-layer configuration, while the lowest value of 68.27 MPa was observed in jute fiber–epoxy composites with a single-layer configuration. The superior performance of the polyester matrix is attributed to its better compatibility and interfacial bonding with jute fibers.
DESAIN DAN PEMBUATAN PERANGKAT PEMBENTUK PENGGANTUNG PAKAIAN BENTUK S BERSUDUT 90o Hadi, Syamsul; Muzaki, Mochamad; Purwoko, Purwoko; Murdani, Anggit; Aini, Fica Aida Nadhifatul; Shakti, Febryan Candra; Sya'bana, M Rio Alfi; Amrullah, Radhi Nurvian
Jurnal Pengabdian kepada Masyarakat Vol. 12 No. 2 (2025): JURNAL PENGABDIAN KEPADA MASYARAKAT 2025
Publisher : P3M Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/abdimas.v12i2.9112

Abstract

The problem lies in the inconsistency of the dimensions of the 90° S-shaped clothes hanger forming device for use in research requiring bending and deflection forces using the Tarno Grocki compression testing machine. This community service project aims to develop a 90° S-shaped clothes hanger forming device whose design can be used in research requiring bending and deflection forces using the Tarno Grocki compression testing machine and cannot be used as a stand-alone device without the aid of a hydraulic jack and frame as a production tool in a home industry. The method applied is modifying the design and device so that it can function using the Tarno Grocki compression testing machine and a stand-alone device with the aid of a hydraulic jack as a production tool in a home industry, including the construction of a support table, a trial run, and the donation to partners or home industries. The results of the community service in modifying the 90o S-Shaped Clothes Hanger Forming Device can be used as a production tool by the household industry, so that there is a synergy between State Polytechnic of Malang and the community in producing clothes hangers for the community's needs more efficiently and can meet the needs of the community in general.
Co-Authors Achmad Chumaidi, Achmad Agus Hardjito Agus Sujatmiko Aini, Fica Aida Nadhifatul Aji, Supa Kusuma Akhlis Rizza, Muhammad Amrullah, Radhi Nurvian Amrullah, Utsman Syah Andhika Erlangga Setiawan Putra Arif Rahman Hakim Bagus Wahyudi Bambang Irawan Bambang Irawan Bambang Irawan Bambang Irawan /E21207042 Bayu Pranoto BAYU PRANOTO Dharsono, Ekky Yovianto Gilang Al Azhar Gumono Gumono, Gumono Hangga Wicaksono Haris Puspito Buwono Heryanto Heryanto Indrazno Siradjuddin Ismoyo, Ramadhan Araya Khaerudin, Dian Noorvy Kusumo, Achmad Sabilarrosyad Prawiro Maskuri Maskuri Mira Mira Moh. Hartono Monasari, Ratna Mukhamad Luqman Muttaqin Faizin Muzaki, Mochamad Naufal Reza Putra Nila Alia Pondi Udianto Purwoko Purwoko Purwoko Purwoko Purwoko R.N. Akhsanu Takwim, R.N. Akhsanu Radiansyah Giga Suhartono Sadar Wahjudi Samsul Hadi Samudra, Ahmad Krisna Aji Santoso Santoso Satworo Adiwidodo Shakti, Febryan Candra Sudarmadji Sugeng Hadi Susilo Sya'bana, M Rio Alfi Syamsul Hadi Syamsul Hadi Sza Sya Monica Valeria Waluyo, Cahyo Tri Yuniarto Agus Winoko