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All Journal Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal Jurnal Teknik Mesin Indonesia
Tengku Jukdin Saktisahdan
Program Studi Teknik Mesin, Fakultas Teknik Universitas Asahan
Aerospace Engineering Automotive Engineering Control & Systems Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences

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Efek penggunaan serbuk karbon aktif sebagai pelumas dalam proses kompaksi Tengku Jukdin Saktisahdan; Muhammad Mujibur Rahman
Jurnal Teknik Mesin Indonesia Vol 13 No 1 (2018): Jurnal Teknik Mesin Indonesia
Publisher : Badan Kerja Sama Teknik Mesin Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (766.994 KB) | DOI: 10.36289/jtmi.v13i1.82

Abstract

One of the advantages of powder compaction to other manufacturing process is the improved quality with maintained tolerances and reduced processing cost. However, during the compaction phase, significant friction force usually generated which gives adverse effect to the quality of final products. Polymeric lubricant is usually used to reduce friction, both inter-particle and between powder mass and the die surface. However, due to its lower melting temperature, during sintering process, portion of the lubricant at the surface is burnt out and trapped lubricant inside the compact expands leaving pores which lowers down the strength of the sintered products. In order to overcome this problem, fine activated carbon varying from 0.1%, 0.3% and 0.5% was used as admixed lubricant. The feedstock was prepared by mechanically mixing iron ASC 100.29 powder with designated carbon powder for 30 minutes. Powder mass was compacted at 30°C and 150 °C by applying simultaneous downward and upward load of 130 kN. The defect-free green compacts were heated at argon gas fired sintering furnace at different sintering schedule i.e, 800°C, 900°C and 100°C. The sintered products were tested mechanically and their microstructures were evaluated. The results revealed that the properties of sintered products were affected by carbon content, forming temperature, and sintering schedules.
Penjernihan Air Sungai Silau Skala Rumah Tangga Kabupaten Asahan Dengan Metode Elektrokoagulasi Moraida Hasanah; Fynnisa Z; Intan Zahar; Rahmadsyah Rahmadsyah; Harmayani Harmayani; T Jukdin Saktisahdan
Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal Vol 6, No 3 (2023): Juli 2023
Publisher : STMIK Royal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33330/jurdimas.v6i3.2417

Abstract

challenge that frequently affects daily life. Generally, the community faces water sources that are discolored, oily, and emit unpleasant odors due to their origins as former rice fields or peat soil. Clean water is one of the main needs for humans for survival and is a determining factor in public health and welfare. Making clean water sources in Sidomulyo Village using the electrocoagulation method is one solution that can be offered. The electrocoagulation method involves utilizing electrical energy to coagulate and remove fine particles from water. By conducting simulations or raising awareness among the public about this method, it aims to provide assistance to the community while promoting understanding of how the electrocoagulation process can be used to purify contaminated water sources, addressing issues such as water discoloration, oiliness, and unpleasant odor. Keywords: clean water; polluted water; electrocoagulation method  Abstrak : Masalah air bersih di Desa Sidomulyo terus menjadi isu yang sering muncul dalam kehidupan sehari-hari. Secara umum, air yang digunakan oleh masyarakat di desa tersebut memiliki warna coklat kekuningan, terkontaminasi oleh minyak, dan memiliki aroma yang tidak sedap. Hal ini terjadi karena sumber air yang digunakan berasal dari bekas lahan pertanian sawah atau tanah gambut. Keberadaan air bersih sangat penting bagi kehidupan manusia dan berperan krusial dalam menjaga kesehatan dan kesejahteraan masyarakat. Salah satu solusi yang dapat diterapkan untuk menciptakan sumber air bersih di Desa Sidomulyo adalah dengan menggunakan metode elektrokoagulasi. Metode elektrokoagulasi adalah proses penggumpalan dan pengendapan partikel-partikel halus dalam air dengan menggunakan energi listrik. Diharapkan dengan melakukan simulasi atau penyuluhan kepada masyarakat tentang metode elektrokoagulasi, maka masyarakat dapat terbantu sekaligus memahami tentang aplikasi metode elektrokoagulasi untuk penjernihan sumber air yang tercemar seperti warna air yang kuning kecoklatan, berminyak, dan berbau. Kata kunci : air bersih; air tercemar; metode elektrokoagulasi
Co-Authors Fynnisa Zebua Harmayani Moraidah Hasanah Muhammad Mujibur Rahman Rahmadsyah Rahmadsyah Zahar, Intan