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All Journal Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Rekayasa Mesin Sinergi Journal of Environmental Engineering and Sustainable Technology Journal of Mechanical Engineering Science and Technology Journal of Energy, Mechanical, Material and Manufacturing Engineering Jurnal Surya Masyarakat Conference on Innovation and Application of Science and Technology (CIASTECH) DIKEMAS (Jurnal Pengabdian Kepada Masyarakat) Jurnal Surya Masyarakat Pilar Teknologi : Jurnal Penelitian Ilmu-ilmu Teknik International Journal of Mechanical Engineering Technologies and Applications (MECHTA) Mechanical Engineering for Society and Industry Jurnal Pengabdian pada Masyarakat Ilmu Pengetahuan dan Teknologi Terintegrasi Dulang: Jurnal Pengabdian Kepada Masyarakat Sasambo: Jurnal Abdimas (Journal of Community Service)
Teguh Dwi Widodo
Universitas Brawijaya
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Other

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Journal : Sinergi

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The effect of different levels of cleanness of the pre-coat surface on adhesion and corrosion performance of A36 steel with epoxy coating Widodo, Teguh Dwi; Setyarini, Putu Hadi; Sugiarto, Sugiarto; Raharjo, Rudianto; Bintarto, Redi; Darmadi, Djarot Bangun; Sagita, Sagita
SINERGI Vol 30, No 1 (2026)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2026.1.010

Abstract

Adhesion and corrosion protection are the main properties of epoxy coatings, especially when applied to materials exposed to harsh environments, such as chloride-containing water. However, the adhesion and corrosion protection of coatings are affected by surface preparation, especially the cleanliness of the substrate surface prior to coating application. Choosing the proper surface preparation can optimize the coating's capabilities. This research aims to evaluate the Effect of blasting process cleanliness on coating performance on the steel surface. The novel approach is to correlate NACE surface cleanliness standards with coating performance. In this study, A36 steel is used. The cleaning procedure uses an air-blasting process with an 8-bar nozzle pressure and at least 5 minutes of spraying time to meet the desired National Association of Corrosion Engineers (NACE) standard. The abrasive utilizing garnet with a mesh of 30-40. Meanwhile, coating is performed at room temperature using the airless spray method with a 90° angle, a distance of 25 cm from the substrate and the nozzle, and a nozzle speed of 300 mm/s. The gap in the coating process between the first and second layers is 24 hours. The results showed that surface preparation influenced the coating's pullout strength and corrosion performance. The pullout strength test demonstrated that NACE 2 provided the highest pullout strength. Likewise, corrosion rate testing showed that surface preparation affects the corrosion rate, with NACE 1 providing the lowest corrosion rate (the best corrosion protection). 
Co-Authors ABDUL HAMID Abdullah, Harnan Malik Abidin, Muhammad Zaimi Bin Zainal Achmadi Achmadi Adli, Danung Nur Agus Budiarto Ahmad Robittah Alfeus Sunarso Anindito Purnowidodo Anjasari, Asri Aprilia Rizky Riadini Ari Vithon Khasib Mubarok Ari Wahjudi Ari Wahyudi Arif Wahyudiono Atsir Farhan Azahra, Siti Amalina Azhar, Andika Bilqis Afifa Dana Putri D, Dhimas Kaukabi Darmadi, Djarot Bangun Denny Widhiyanuriyawan Dewi, Francisca Gayuh Utami Diah Ayu Fitriani, Diah Ayu Djarot B Darmadi Djarot B. Darmadi, Djarot B. Dwi Kristanto Dwi Kristanto Dwi Prasetyo Erwin Sulistyo Femiana Gapsari MF Fikrul Akbar Alamsyah Firas, Alfian Gayuh Utami Dewi, Francisca Habibulfalah, Endi Hanifa Zahra Wibowo I Wayan Gede Suputra Wardiana Irawan , Yudy Surya Jauhari, Mochamad Helmi Kamil, Muhammad Prisla Kozin, Muhammad Kusumaningsih, Haslinda Lilis Yuliati Ma’arif, Moh. Syamsul Maftuch Maftuch Margono Margono Mega Nur Sasongko Mega Nur Sasongko Moch. Agus Choiron Moch. Syamsul Ma'arif Moh. Syamsul Ma’arif Nadia Ananda Prasetia Dion Nugroho Adi Purnomo Nugroho, Arief Budi Nurkholis Hamidi Oyong Novareza Prabowo Puranto Pratama, Gesha Denny Putri, Debri Harynia Putu Hadi Setyarini Rahmadhani Angger Syahputra Redi Bintarto Redi Bintarto Redi Bintarto, Redi Ridho Dwi Syahrial Rudianto Raharjo Rudianto Raharjo Rudianto Rudianto Rudy Soenoko Rudy Soenoko Runi Asmaranto Sabitah, A'yan Sagita, Sagita Saputra, Indra Adi Saputra, Muhamad Hendra Setiawan, Yustiza Rahadian Siswoyo, Redi Cipto Sofyan Arief Setyabudi Sugiarto S Sukri Sukri sukri Sukri, sukri Sutrisno Sutrisno Sutrisno, Sutrisno Suwarso, Wahyu Handoyo Tamtomo, Bagas Tjuk Oerbandono Utomo, Slamet Prasetyo Wahyono Suprapto Wibisono, Aryasatya Rafli Widi Nugroho Wirawan , Willy Artha Wirawan, Willy Artha WIWIEN ANDRIYANTI Yudy Surya Irawan Zulkarnain, Akbar