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All Journal Media Mesin: Majalah Teknik Mesin Jurnal METTEK (Jurnal Ilmiah Nasional Dalam Bidang Ilmu Teknik Mesin) R.E.M (Rekyasa Energi Manufaktur) Jurnal Turbo : Jurnal Program Studi Teknik Mesin Journal of Energy, Mechanical, Material and Manufacturing Engineering Otopro PELS (Procedia of Engineering and Life Science)
Edi Widodo
Universitas Muhammadiyah Sidoarjo
Automotive Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : Otopro

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STUDI VARIASI JENIS MATERIAL TALI PADA MODIFIKASI ALAT PENGUKURAN TORSI POMPA SENTRIFUGAL Taufik Afandi; Edi Widodo; Prantasi Harmi Tjahjanti; Iswanto Iswanto
Otopro Vol 16 No 2 Mei 2021
Publisher : Jurusan Teknik Mesin Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/otopro.v16n2.p50-57

Abstract

The focus of this research is to analyze variations in the type of rope material and size as a link for measuring the force on a centrifugal pump, namely to find out the type of material and the size of the rope that is suitable to minimize the loss of force contained in the wire. To find out the type of calculation and comparison of the values for various types of material. From the tensile test that has been done, the highest UTS (Ultimate Tensille Stress) value was obtained in a polypropylene monofilament rope specimen with a stress value of 602.17 kgf with 382.14% elongation. The highest stress calculation value data was obtained by the Polypropylene monofilament rope specimen with a value of 738,85 at elongation to 360%. The highest modulus of elasticity obtained by Nylon rope was 4,564  . This shows that the modulus of elasticity is inversely proportional to the stress value, which was the stress value of nylon straps that was the highest compared to other specimens but had the highest elastic modulus value among other specimens.
ANALISIS PENGARUH ALKALISASI NaOH TERHADAP SERAT NANAS SEBAGAI PENGUATAN BIO KOMPOSIT edi widodo; Ilham Dwiyoga
Otopro Vol 18 No 1 Nov 2022
Publisher : Jurusan Teknik Mesin Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/otopro.v18n1.p1-6

Abstract

This research focuses on the utilization of natural fibers as a reinforced composite material from pineapple leaf fiber with concentrations of Alkali NaOH 5%, 10%, 15% using a polyester resin matrix. In this study, the experimental design uses the printing method, which aims to design experiments to analyze experimental data, and is also used to determine the minimum number of experiments obtained and provide information on factors that affect parameters. The experiments were carried out through 1) Composite manufacturing method, 2) NaOH liquid preparation, 3) Tensile test method, 3) FTIR test method, 4) Fiber molding. The results of the research using FT-IR (Fourier Transform Infared Spectroscopy) test data can be evaluated into specific functional groups found in each branch of the Pineapple Leaf fiber, respectively, namely fiber with 5%, 10%, 15% NaOH treatment. The results showed that the specimen with 50% treatment, where the tensile strength value was 129 N/mm2 and the maximum load was 19.85 N, and the elongation in the area of the highest tensile test load was obtained in specimen 2, namely 10% treatment with a value of 3.29 mm so that there was the influence of the fiber strength value received on the treatment of NaOH compounds, if the NaOH compound is less then it has a little effect on the pineapple leaf fiber, while the more NaOH compound has the better received effect with a high percentage yield.  
Co-Authors A'rasy Fahruddin Ahmad Faishol Arya Rudi Nasution A’rasy Fahruddin Dwi Yuliyanto Eko Prasetio Putro Faisal Ansori Fajar Syahril Kirom Herman Herman Iis Siti Aisyah Ilham Dwiyoga Iswanto Iswanto Miftahul Huda Misbakh Mohammad Dani Iswanto Muhammad Jamaluddin Anwar Muhammad Marzuky Saleh Mulyadi Mulyadi Nur Haizal Ariffin Prantasi Harmi Tjahjanti Rachmat Firdaus Rega Yuan Pradhana Rendra Dani Firmansyah Ridho Choirul Anam Rio Putra Permadi Rizky Dwi Jayanto Subroto Syahruddin Taufik Afandi