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All Journal Jurnal Rekayasa Mesin Jurnal Teknologi Terapan Manutech : Jurnal Teknologi Manufaktur JURNAL CRANKSHAFT Jurnal Konversi Energi dan Manufaktur International Journal of Applied Technology Research MACHINERY: Jurnal Teknologi Terapan Aptekmas : Jurnal Pengabdian Kepada Masyarakat Industrial Research Workshop and National Seminar Journal of Applied Mechanical Engineering and Renewable Energy (JAMERE) Jurnal Inovasi Pengabdian dan Pemberdayaan Masyarakat Abdimas Terapan: Jurnal Pengabdian Kepada Masyarakat Terapan
Destri Muliastri
Jurusan Teknik Mesin, Politeknik Negeri Bandung
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Journal : International Journal of Applied Technology Research

 1 
Application of Organic Inhibitors to the Corrosion of Materials AISI 1070 Steel Destri Muliastri; Devi Eka Septiyani; Naufal Afif; Vania Tingting Sirenden; Januar Nur Rohmah Suprihartini
Jurnal Internasional Penelitian Teknologi Terapan Vol 2 No 1 (2021): April 2021
Publisher : Bandung State Polytechnic (Politeknik Negeri Bandung)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/ijatr.v2i1.39

Abstract

AISI 1070 steel is a material that has corrosion when it reacts with the environment. One way to inhibit the corrosion rate is by using organic inhibitors. The organic inhibitors used mango leaves and mango rinds with variations in the concentration of organic inhibitors of 0%, 6%, and 8%, respectively. This study aimed to determine the effectiveness of mango leaf extract and mango rinds as an inhibitor against the corrosion rate of AISI 1070 Steel. The extraction was carried out using the Maceration Method. Fourier Transform Infrared (FTIR), Potenzyodinamic, and Weight Loss tests were carried out in this study. FTIR results show that both mango rinds and mango leaf have ingredients that were able to inhibit the corrosion rate, such as flavonoid functional groups including C – H, C = O, and C – O. Using the weight-loss method, the best corrosion rate was found in the mango rinds extract with a concentration of 8 mL, which was 31.784 mm/year with an inhibition efficiency of 92%. The highest corrosion rate was in 2M H2SO4 solution using potentiodynamic, without a mixture of inhibitors, that is 0.15589478 mm/year.
Green Corrosion Inhibitors to Head Off the Corrosion Rate of ST 37 Steels Devi Eka Septiyani Arifin; Destri Muliastri; Rudi Rudiana; Fitri Nur Indah Sari
Jurnal Internasional Penelitian Teknologi Terapan Vol 2 No 1 (2021): April 2021
Publisher : Bandung State Polytechnic (Politeknik Negeri Bandung)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/ijatr.v2i1.40

Abstract

The corrosions process is a natural process and cannot be hindered, but it can be protected by adding a green inhibitor. Green corrosion inhibitors are a new alternative solution for corrosion protection because they are low-cost, biodegradable, and eco-friendly inhibitors. This research was used papaya leaves dan guava leaves extract as organic inhibitor solution by Maceration Method. The concentration of these green inhibitors is 0 mL, 1 mL, 2.5 mL, 3 mL, and 3.5 mL. The type of testing method used in this research is FTIR, PDP, and weight loss. The results show that there is Tanin function groups in papaya leaves and guava leaves extract. The potentiodynamic polarization shows the value of corrosion rate without inhibitor is 0,418 mm/year. In contrast, the corrosion rate was decreased with improving the green inhibitor as many 3.5 mL. The corrosion rate was decreased until 0,00055 mm/year, and the value of efficiency is 99,868%.
Analysis of Selection of Alternative Materials Outer Support Solar Water Heater Destri Muliastri; Aldi Alfares; Emsa Ayudia Putri
Jurnal Internasional Penelitian Teknologi Terapan Vol 4 No 2 (2023): October 2023
Publisher : Bandung State Polytechnic (Politeknik Negeri Bandung)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/ijatr.v5i1.98

Abstract

In producing a product, the Manufacturing Industry always prioritizes safety, quality, and profit. One product that prioritizes these criteria is Outer Support on Solar Water Heaters. Currently, the material used in the outer support of the solar water heater is SS 304, the SS 304 material is considered too expensive, so the profits obtained by the manufacturing industry are very small. In addition, SS304 material from year to year is getting harder and harder to find. In this study, an analysis of the selection of alternative outer support materials for solar water heaters was carried out in order to obtain materials that can fulfill the outer support function at a relatively cheap price, do not reduce the outer support function and are easy to obtain or many on the market. The method used in this study uses the Analytical Hierarchy Process (AHP) and CES edupack software as the process of selecting materials. In this study, several tests of mechanical properties were carried out, namely tensile tests, hardness tests, and corrosion resistance tests to determine the mechanical properties of the material, and simulations of selected materials were carried out using Solidworks software, with the aim of knowing the maximum stress value and safety factor. The results obtained from this study obtained an alternative material, namely AISI 201 for the outer support. The results of the hardness test obtained the best hardness value in AISI 201 of 177.17 VHN. The results of the tensile test obtained a yield strength value of 390.35 MPa on AISI 201 material
Co-Authors Afriansyah, Zidan Ajeng Ayu Milanti Aldi Alfares Ambar Susanto Annisa Novitasari, Annisa Bambang Puguh Manunggal Bintoro, Waluyo Musiono Budi Triyono Casiman Sukardi Daniel Saragih, Albert Defrianto Pratama Devi Eka Septiyani Arifin Devi Eka Septyani Dewi, Yunita Citra Eka SeptiyaniArifin, Devi Emsa Ayudia Putri Fauziah, Febby Fitri Nur Indah Sari Gugun Nugraha Hasanah, Rahmawati Heri Widiantoro Ilham Azmy Iryani, Lenny Januar Nur Rohmah Suprihartini Lesmana, Prayoga M. Yogi Riyantama Isjoni Magfira Ayunda Salsabilla Muhammad Yusuf Muhammad, Wildan Naufal Afif Okviyanto, Toni Prayoga Lesmana Rachmad Imbang Trittjahjono Raharja, Ahmad Syakir Ramadhan, Kukuh Ruardhian, Mahir Rudi Rudiana Rudy Yuni W Sapto Prajogo setiawan, Dibyo Sihaloho, Nadia Fransiska Slamet Raharjo Slamet Sutjipto SRI UTAMI Sri Widarti Suminar, Dian Ratna Sutrimo Toto Tohir Vania Tingting Sirenden Yun Gemilang zahra salsabila Zainuddin Zainuddin Zen, Elfiah Fadhilah Zuhri, Muhammad Rizki