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All Journal Mechanical Engineering for Society and Industry Automotive Experiences Jurnal Pengabdian Isola
Tedi Kurniawan
Community College of Qatar, Qatar
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation Other

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Resin-based Brake Pad from Rice Husk Particles: From Literature Review of Brake Pad from Agricultural Waste to the Techno-Economic Analysis Asep Bayu Dani Nandiyanto; Dwi Fitria Al Husaeni; Risti Ragadhita; Tedi Kurniawan
Automotive Experiences Vol 4 No 3 (2021)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1184.283 KB) | DOI: 10.31603/ae.5217

Abstract

A brake pad is the most crucial component in motorized vehicles. Many ways have been done and reported on how to prepare resin-based brake pads, but information relating to the economic analysis of resin-based brake pads on a large-scale production is still rare. This study aimed to report a literature review of brake pad production from biomass and agricultural wastes, optimal design of brake pad, and techno-economic analysis of resin-based brake pad production from rice husk. In the techno-economic analysis, we focused on engineering and economic perspectives. Engineering analysis was conducted by calculating the mass balance in the resin-brake pad production process. To support the analysis, economic parameters including gross profit margin (GPM), payback period (PBP), break-even point (BEP), cumulative net present value (CNPV), profitability index (PI), internal rate return (IRR), and return on investment (ROI) were calculated to predict the feasibility of project under ideal condition. We also calculated the techno-economic analysis for the worst cases in the project, calculating the internal problems (i.e., raw materials, sales, utility, labor, employee, fixed cost, variable cost, and production capacity) and the external issues (i.e., taxes and subsidiaries). Based on the engineering evaluation, the resin-based brake pad project is prospective. From economic evaluation, GPM, PBP, BEP, CNPV, PI, and ROI showed positive results, indicating that the project is potential for the large-scale production. This work has demonstrated the importance of the projects for further development and can be used as a reference for further production of brake pads made from agricultural waste.
Recent Progress on the Production of Aluminum Oxide (Al2O3) Nanoparticles: A Review Adzra Zahra Ziva; Yuni Kartika Suryana; Yusrianti Sabrina Kurniadianti; Asep Bayu Dani Nandiyanto; Tedi Kurniawan
Mechanical Engineering for Society and Industry Vol 1 No 2 (2021)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1798.864 KB) | DOI: 10.31603/mesi.5493

Abstract

This study aims at discussing several methods to produce aluminum oxide (Al2O3) synthesis methods along with the advantages and disadvantages of each method used. In general, several methods are available: (1) precipitation, (2) combustion, (3) sol-gel, (4) wet chemical, (5) synthesis in supercritical water conditions, (6) microwave, (7) mechanochemical, and (8) hydrolysis, and the most efficient method for synthesizing Al2O3 is precipitation because it is facile and the simplest method (compared to other methods), can be proceeded using inexpensive raw materials, produces less pollution, and has several advantages: high purity product, high thermal stability, nearly homogeneous nanoparticle in size, and control desired particle size. The results of the study help to provide comparisons in producing various Al2O3 synthesis methods.
Education About the Importance of Maintaining and Care for Health of Facial Skin in Generation Z Community Through Digital Based Media [Edukasi Mengenai Pentingnya Menjaga dan Merawat Kesehatan Kulit Wajah Pada Masyarakat Generasi Z Melalui Media Digital] Ida Purwati; Asep Bayu Dani Nandiyanto; Tedi Kurniawan
Jurnal Pengabdian Isola Vol 1, No 1 (2022): JPI: VOLUME 1, ISSUE 1, 2022
Publisher : Universitas Pendidikan Indonesia (UPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/jpi.v1i1.47297

Abstract

This study aims to analyze education about the importance of maintaining and caring for facial skin health in Generation Z people through digital-based media. We use online learning methods with Zoom Meeting and WhatsApp media. Community understanding was evaluated using questions in the form of pre-test and post-test as many as 20 questions. The results showed that the community obtained an increase in learning outcomes of 30.22%. This is because the learning process by using audio-visual teaching media that is clear, interesting, and easy to understand can increase people's understanding of the material being taught. Pengabdian ini bertujuan untuk menganalisis hasil  edukasi mengenai pentingnya menjaga dan merawat kesehatan kulit wajah pada masyarakat Generasi Z melalui media berbasis digital. Pengabdian dilakukan menggunakan metode pembelajaran online dengan media Zoom Meeting dan WhatsApp. Pemahaman masyarakat dievaluasi menggunakan pertanyaan berupa pretest dan posttest sebanyak 20 soal. Hasil  menunjukkan bahwa masyarakat memperoleh peningkatan hasil belajar sebesar 30,22%. Hal ini dikarenakan pada proses pembelajaran dengan menggunakan media pengajaran audio-visual yang jelas, menarik, dan mudah dipahami mampu meningkatkan pemahaman masyarakat pada materi yang diajarkan.
Co-Authors Adzra Zahra Ziva Al Husaeni, Dwi Fitria Asep Bayu Dani Nandiyanto Ida Purwati Ragadhita, Risti Yuni Kartika Suryana Yusrianti Sabrina Kurniadianti