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All Journal Rotasi Teknika: Jurnal Sains dan Teknologi Semesta Teknika E-Dimas: Jurnal Pengabdian kepada Masyarakat Emerging Science Journal Civil Engineering Journal Adimas : Jurnal Pengabdian Kepada Masyarakat Mekanika: Majalah Ilmiah Mekanika Jurnal Nasional Teknologi Terapan Abdi Masya Journal of Mechanical Engineering Automotive Experiences METAL : Jurnal Sistem Mekanik dan Termal Jurnal Foundry
Eko Surojo
Universitas Sebelas Maret Surakarta
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Journal : emerging science journal

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Tribological Performance of Polymer Composite Modified with Calcined Eggshell Particles Post High-Temperature Exposure Sunardi Sunardi; Dody Ariawan; Eko Surojo; Aditya Rio Prabowo; Tohid Ghanbari-Ghazijahani; Cahyo Hadi Wibowo; Hammar Ilham Akbar
Emerging Science Journal Vol 8, No 4 (2024): August
Publisher : Ital Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/ESJ-2024-08-04-03

Abstract

During operation, brake lining material rubs against the disc to generate heat. This heat could decrease the brake lining performance, such as the friction coefficient, specific wear rate, and interface temperature of the rubbing surfaces. The resulting wear debris is environmentally harmful and poses risks to human health. Therefore, this study aimed to replace the harmful material using eggshell particles as a filler in brake lining composite and enhance tribological properties. The brake lining samples were manufactured through three stages: cold compaction, hot compaction, and post-curing. The next step is the samples were subjected to a one-hour high-temperature exposure at 200°C, 300°C, 400°C, and 500°C. The results showed that the high-temperature exposure significantly affected the specific wear rate, friction coefficient, and interface temperature between the brake lining and disc. An interesting finding was that adding calcined eggshell particles in composite could improve the tribological properties up to 400°C. However, the best material’s performance resulted when the samples got an exposure temperature of 200°C. Doi: 10.28991/ESJ-2024-08-04-03 Full Text: PDF
Corrosion Performance of a Novel Aluminium 6061-Sea Sand Composite Under Electrochemical Method Surojo, Eko; Triyono, Teguh; Akbar, Hammar Ilham; Pramudi, Ganjar; Triyono; Raharjo, Wijang W.; Agiel, Raiddin Muhamad; Majid, Faishal M.; Seputro, Harjo; Habibi, Ilham
Emerging Science Journal Vol. 9 No. 5 (2025): October
Publisher : Ital Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/ESJ-2025-09-05-012

Abstract

The need for lightweight materials is increasing from year to year. In its application, lightweight and strong materials also need to be corrosion resistant. Corrosion resistance is an important property in automotive, especially in high humidity areas. Al6061-Sea sand material is a novel material that meets the mechanical standards required in the automotive sector. A previous study of Al 6061-sea sand conducted the mechanical properties of the composite. This current research focuses on the development of Al 6061 material with variations in weight fraction of sea sand reinforcement against the corrosion rate under the potentiodynamic method to determine the corrosion resistance of the composite material. The composite fabrication uses the electroless coating method on sea sand and the stir casting method with a melting temperature of 750°C. The agitation process used a four-bladed impeller for 10 minutes at 600 rpm with a stirring depth of ½ of the height of the molten metal. The tests include density testing, microstructure observation, and corrosion rate under the potentiodynamic method using an electrochemical potentiostat. The test result obtained the lowest corrosion rate results in 2% wt sea sand with a corrosion rate of 0.61875 mmpy. The increase in corrosion rate value is directly proportional to the addition of the weight fraction of sea sand.
Co-Authors Adie, Prayoga Wira Aditya Rio Prabowo Aditya Rio Prabowo Agiel, Raiddin Muhamad Agus Suprihanto Akbar, Hammar Ilham Anwar Nurharyanto Bambang Kusharjananta Bambang Margono Bintoro, Sefrian R. Cahyo Hadi Wibowo Carvalho, Hermes Chamim, Moch. Didik Djoko Susilo Djordjevic, Branislav Dody Ariawan Fahmi Imanullah Hafidh Rawi Mufti Halim, Dimas Ardiansyah Hammar Ilham Akbar Hammar Ilham Akbar Hanif Rinaldi Harjo Seputro, Harjo Henri Fatih Wibowo Herru Santosa Budiono Ilham Habibi, Ilham Majid, Faishal M. Muhammad Ilham Arbi Atmaja Muhayat, Nurul Nugroho Fajar Wicaksono Nurul Muhayat Pramudi, Ganjar Raharjo, Wijang W. Reza Aldiansyah Fanani Rizal Akhmad Bukhori Rizki Dwi Ardika Saifudin Sholehuddin, Muhammad Ilham Sukmaji Indro cahyono Sukmaji Indro cahyono Sukmaji Indro Cahyono, Sukmaji Indro Sunardi Sunardi Taufik, Ikhwan Teguh Triyono Teguh Triyono Teguh Triyono Teguh Triyono Teguh Triyono Tohid Ghanbari-Ghazijahani Triyono Triyono Triyono Triyono Triyono Triyono Triyono Triyono Triyono Triyono Wibowo Wibowo Yupiter HP Manurung