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Effect of Furnace Heating Temperature on the Hardness and Corrosion Resistance of Plain Carbon Steel Sopiyan Sopiyan; Syaripuddin Syaripuddin; Syamsuir Syamsuir; Fuad Ansori; Muhammad Yunan Hasbi; Ahmad Lubi; Ferry Budhi Susetyo
MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Vol 7 No 3 (2025): Motivection : Journal of Mechanical, Electrical and Industrial Engineering
Publisher : Indonesian Mechanical Electrical and Industrial Research Society (IMEIRS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/motivection.v7i3.466

Abstract

Microstructure modification of the plain carbon steel usually enhances hardness and corrosion resistance. Therefore, in the present research, the microstructure of plain carbon steel is modified by heating it in an electric furnace using various temperatures and then quenching it in engine oil to enhance corrosion resistance and hardness. Several characterizations were conducted, such as microstructure, hardness, and electrochemical behavior. The microstructure evolution indicates a clear transformation of martensite morphology with decreasing austenitizing temperature. Decreasing the furnace's heating before quenching could increase the specimens' hardness and corrosion resistance, with values around 586.36 HV and 0.135 mmpy. Therefore, the optimal heat treatment condition for plain carbon steel components in marine environments was found at 800 °C based on the results of this study.
Effect of NaCl Concentration in Quenching Medium on Microstructure, Hardness, and Corrosion Behavior of AISI 4140 Steel Syaripuddin; Sopiyan; Rany Anggraini; Adi Tri Tyassmadi; Silalahi Jose Jan Filder; Muhammad Dhafa Irziansyah; Syamsuir; Ahmad Lubi; Muhammad Fatihuddin; Reza Febriano Armas; Ferry Budhi Susetyo
Jurnal ASIIMETRIK Jurnal Ilmiah Rekayasa & Inovasi Volume 8 Number 2 (2026)
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v8i2.9970

Abstract

AISI 4140 steel is widely used in engineering and marine components due to its high strength and good hardenability. However, improving hardness through heat treatment may influence the corrosion behavior of the material in chloride containing environments. This study investigates the effect of NaCl concentration as a quenching medium on the microstructure, hardness, and corrosion behavior of AISI 4140 steel. The samples were austenitized at 1000 °C for 15 minutes and quenched in NaCl solutions with concentrations of 3.5%, 7%, and 10.5%. Microstructural observations were carried out using optical microscopy after etching with 3% Nital. Hardness testing was performed using the Vickers method with a 10 kg load, while corrosion behavior was evaluated using weight loss measurements and electrochemical tests in 3.5% NaCl solution. The results show that increasing NaCl concentration produces a finer martensitic structure and increases hardness from 673 VHN at 3.5% NaCl to 762 VHN at 10.5% NaCl. However, the corrosion rate also increases from 0.3688 mmpy to 0.3990 mmpy, indicating higher electrochemical activity at the material surface. These results demonstrate a trade-off between improved hardness and reduced corrosion resistance with increasing NaCl concentration.
Co-Authors A. Daniel Pandu Yudhantono Adi Tri Tyassmadi Agus Dudung Ahdian Haris Ahmad Kholil Ahmad Lubi Ahmad Lubi Alpi Cahyadi Anggi Kusuma Anggrainy, Rani Ardi Candra Fatkhurrohman Ardi Candra Fatkhurrohman Bambang Soegijono Bambang Soegijono Basori Basori Cahaya Rosyidan Calfin Aldo Maidi Frima Candra Wahyu Setyawan Daffa Abiyyu Muhammad Rizq Daniel Edbert Duti Marsulan Dwi Nanto Evi Ulina Margareta Situmorang Fachru Z. N. I. Fatma Husaini Fuad Ansori Hamdan Akbar Notonegoro Hamdan Akbar Notonegoro Hanapi Himawan Hadi Sutrisno I Wayan Sugita Ilhamullah Imam Basori Iskandarsyah Wicaksono Ja'far Amirudin Jan Setiawan Jodi Wilman Tantono Johanes Tendy Simanjuntak Joko Prasetyo kartika fajarwati hartono Khulaifiyah Lukman Arhami M. Bagus Priyo Hutomo Moh Sahal Rifai Mohammad Rizqi Dwi Febrianto Mohammad Rizqi Dwi Febrianto Muhamad Agil Febrianto Muhamad Muslih Muhammad Bagus Priyo Hutomo Muhammad Dhafa Irziansyah Muhammad Fatihuddin Muhammad Iqbal Muhammad Naufal Rifqi Muhammad Teguh Pangestu Muhammad Yazid Muhammad Yunan Hasbi Muhammad Yunan Hasbi Muhammad Yunan Hasbi Muhammad Yunan Hasbi Muhammad Yunan Hasbi Musfirah Cahaya Fajrah Mustamina Maulani Nofendri, Yos Ova Kurniawan Ragil Sukarno Ramlan Ramlan Rani Anggarainy Rany Anggraini Reynaldi Ramadhan Reynaldi Ramadhan Reza febriano Armas Rishi Nur Maret Rizchi Ayu Suryadewi Rois Wardiana Samura, Lisa Satrio Dwifatan Sulistio Setyo Firman Alamsyah Sigit Dwi Yudanto Silalahi Jose Jan Filder Silviana Simbolon Siska Titik Dwiyati Sopiyan Sopiyan Sopiyan Sri Ismarwanti Supria Wiganda Suryo Prakoso, Suryo Syamsuir Syamsuir Syamsuir Syamsuir Syamsuir Syaripuddin Syaripuddin Tegar Firman Pamungkas Tias Hamzah Very Yudianto Wahyu Nugroho Yunasfi Yunasfi Yunita Sari Yunita Sari Yunita Sari Zulkifli Palinrung