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All Journal Jurnal Sains dan Seni ITS Journal of Natural Sciences and Mathematics Research Jurnal Rekayasa Mesin Manutech : Jurnal Teknologi Manufaktur JURNAL CRANKSHAFT Piston: Journal of Technical Engineering International Journal of Applied Technology Research Aptekmas : Jurnal Pengabdian Kepada Masyarakat Industrial Research Workshop and National Seminar Abdimas Terapan: Jurnal Pengabdian Kepada Masyarakat Terapan
Devi Eka Septiyani Arifin
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%.
Co-Authors Adnan Rakhmadi Ramadhan Ajeng Ayu Milanti Aqil Murtadho Bintoro, Waluyo Musiono Budi Triyono Budi Triyono Defrianto Pratama Destri Muliastri Dewi, Yunita Citra Fitri Nur Indah Sari Hasanah, Rahmawati Heri Widiantoro Ilham Azmy Januar Nur Rohmah Suprihartini Lesmana, Prayoga Musyafak Musyafak Naufal Afif Pasya, Azdane Peprial Indika Prasetyo Prasetyo Prayadi, Aditya Anggara Riovano Putranto Rudi Rudiana Rudy Yuni W setiawan, Dibyo Slamet Sutjipto Sri Widarti Syafiq Ade Priyatama Tantan Sholahuddin Undiana Bambang Vania Tingting Sirenden Widiatmoko, Rudy Yuni Zainuddin Zainuddin Zainuri (DOI: 10.12962/j24604682.v12i2.1331), Mochamad Zen, Elfiah Fadhilah Zuhri, Muhammad Rizki