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Analisa kekuatan mekanik pengaruh perendaman dan penekanan pada komposit berbahan serat mengkuang Sutrisno Sutrisno; Azmal Azmal
TURBO [Tulisan Riset Berbasis Online] Vol 9, No 2 (2020): Jurnal Turbo Desember 2020
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v9i2.1208

Abstract

This study aims to determine the effect of mechanical properties, namely the tensile  strength, bending and impact of the composite fiber mengkuang (pandanus artocarpus griff) without immersion and with immersion of 5% NaOH with an immersion time of 1 hour. Then the blending and casting process is carried out to form a composite material with 20% fiber and 80% resin binder with a catalyst content of 1% and pressurized with press variations of 5 kg, 10 kg, and 15 kg. The results of the blending and casting process are made according to the testing standard and then testing the mechanical properties. The results of tensile, bending and impact testing showed that for 1 hour immersion with a pressure of 15 kg the highest value was tensile strength of 13.75 N / mm2, bending strength of 33.61 N / mm2 and impact strength of 152.32 J / mm2. Whereas the form of the composite fiber of the  decomposed fiber is the binder and the fiber breaks evenly at the same point and the fiber is not pulled from the metric.Keywords: composites, resins, mono fiber, mechanical properties
PENERAPAN IPTEK PADA PENGOLAHAN AIR BERSIH DI PONDOK PESANTREN MAMBAUL ULUM DESA PUNGGUR KECIL KECAMATAN SUNGAI KAKAP KABUPATEN KUBU RAYA Sutrisno Sutrisno; Farida Asy’ari; Azmal Azmal; Merry Lestari; Ahmad Faizal; Dovian Iswanda; Devi Andriani
J-ABDI: Jurnal Pengabdian kepada Masyarakat Vol. 2 No. 7: Desember 2022
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53625/jabdi.v2i7.3989

Abstract

Pondok Pesantren (Ponpes) Mambaul Ulum Desa Punggur Kecil Kecamatan Sungai Kakap Kabupaten Kubu Raya, belum tersentuh akan air bersih  atau standar air layak untuk dikonsumsi. Ini semua dikarenakan belum meratanya pengadaan infrastruktur, karena terbatasnya anggaran pemerintah dan biaya yayasan sehingga menjadi faktor penghambat dari tersedianya air bersih bagi warga ponpes. Untuk mengatasi permasalah tersebut maka dilakukan kegiatan pengabdian pada masyarakat dengan tujuan yaitu meningkatkan pengetahuan tentang standar kualitas air bersih dan keterampilan pengolahan air layak konsumsi warga serta meningkatkan kesehatan dan kesejahteraan warga di Pondok Pesantren Mambaul Ulum. Adapun metode yang akan dilakukan yaitu kegiatan mencari melakukan pelatihan dan praktek langsung pembuatan sumur bor dan pengolahan air layak konsumsi yang nantinya akan dipasang dan dioperasikan. Adapun hasilnya warga diPonpes mengetahui standar air sesuai Peraturan Menteri Kesehatan Nomor 416/MENKES/PER/IX/1990, mengerti cara membuat sumur bor, penyediaan air dan penjernih air layak konsumsi dan kesehatan dan kesejahteraan warga diPonpes miningkat
Modifikasi Sistem Monitoring Data Universal Testing Machine Galdabini Type PM10 dengan Berbasis Arduino Uno Sutrisno Sutrisno; Mery Lestari; Dovian Iswanda; Devi Andriani; Ahmad Faizal
JURNAL ILMIAH MOMENTUM Vol 19, No 1 (2023)
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jim.v19i1.7459

Abstract

This study aims to repair damage to the Galdabini Type PM10 Universal Testing Machine (UTM) on a data acquisition system with an automatic system, design a conventional data acquisition system to a control system using the Arduino Uno AT Mega 328 microcontroller program and process the desired data and graphics with the help of the PLX application - DAQ Ms. Excel. This research uses the experimental method which is a basic framework used as a reference in conducting research which contains stages for solving problems in research. The research was conducted at the Materials Testing Laboratory of the Pontianak State Polytechnic Department of Mechanical Engineering by designing the input and output program for the PM10 Galdabini UTM data. In the tensile test, the output data displays force and addition data, a graph of the attraction and addition force relationship. While in Ms.Excel data obtained tensile stress, strain, modulus of elasticity, the proportion of changes in length and diameter, as well as a graph of the relationship between tensile stress and strain. In testing the compression output data displays force and shortening data, a graph of the compression and shortening force relationship. In Ms.Excel data obtained compressive stress, strain, modulus of elasticity, as well as a graph of the relationship between compressive stress and strain. In the bending test, the output data displays force and deflection data, a graph of the relationship between bending and deflection forces. In Ms. Excel, we get data on bending stress, modulus of elasticity, and graphs of the relationship between bending stress and deflection.  Kata kunci: arduino uno, PLX-DAQ microsoft excel , universal testing machine.
Analisa pengaruh temperatur pemanasan pada proses normalizing dan hardening quenching terhadap kekuatan tarik dan struktur mikro baut ST-60 Sutrisno Sutrisno; Azmal Azmal; Dwi Handoko
TURBO [Tulisan Riset Berbasis Online] Vol 10 No 2 (2021): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v10i2.1515

Abstract

This study aims to obtain information about the price of tensile, hardening, and changes in microstructure as well as changes in material properties at hot temperature variations 800 OC to 900 OC. The method used in this study is an experimental method, where the material used is ST-60 steel bolts, with a tensile test sample form referring to the ASTM D 638-03 standard, while for testing hardness and chemical composition based on machine standards, namely Ø16 mm x 20 mm. In this study, 5 samples were made at each temperature of 0 0C, 800 0C, 850 0C, 900 0C, 950 0C and 1000 0C with the type of heat treatment in the normalizing process and the hardening quenching process. This research was conducted in the Laboratorium Pengujian Bahan, Jurusan Teknik Mesin, Politeknik Negeri Pontianak. The test results on the normalizing process for tensile strength decreased by an average of 230.78 N/mm2 or 50%, Vickers hardness decreased by an average of 33.99 HV or 31% and the carbon content decreased by an average of 0.19 or 48% of the normalizing process is not done. Whereas in the hardening quenching process, the average tensile strength increased by 93.22 N/mm2 or 20 %, the Vickers hardness on average increased by 19.29 HV or 18 % and the average carbon content increased by 0.06 or up 17 % of the hardening quenching process was not done. So to overcome the decrease in mechanical strength and changes in the microstructure of the ST-60 bolt due to hot temperatures, the hardening quenching process can be applied, namely by polishing with used oil after the bolts work at hot temperatures.
Co-Authors Ahmad Faizal Azmal Azmal Devi Andriani Dwi Handoko Farida Asy’ari Iswanda, Dovian Merry Lestari Mery Lestari