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Pengembangan Baja Laterit Modifikasi A588 Menggunakan Proses Termomekanikal Diikuti dengan Proses Temper Temperatur Rendah untuk Aplikasi Baja Tahan Cuaca Rohmah, Miftakhur; Irawan, Dedi; Utama, Dedi P.; Romijarso, Toni B.
TEKNIK Vol. 42, No. 2 (2021): August 2021
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v42i2.37221

Abstract

Laterite Steel A-588 has the potential to be a high strength low alloy for Corten steel application. Laterite steel A-588 is developed through a thermomechanical process followed by a tempering process to obtain high strength and corrosion resistance. This study aims to determine the correlation between the addition of nickel content, the variation of the cooling rate during heat treatment to the mechanical properties, and the corrosion resistance of A-588 laterite steel. The Cu, Cr, Ni, P, and Si elements significantly impact microstructure transformation. Laterite Steel A-588 with nickel and thermo-mechanical process variation has been focused on in this research. Laterite steel with 0,42%, 1%, 2%, and 3% nickel varied was homogenized, hot rolled, and heat treated with three cooling variations by water, oil, and air. They are processed with 150 C tempering. Low tempering temperature caused fine carbide precipitation and phase transition of martensite to bainite. This resulted in bainite as the final microstructure, lath tempered martensite, carbide, and ferrite. 3% Ni with a fast cooling rate increased the tempered martensite and bainite phase formation. It allowed the strength and hardness to increase relatively, followed by decreased elongation and corrosion resistance caused by the galvanic reaction. Most optimal of mechanical properties determined at a sample with 2% nickel in a water medium (strength 1203 MPa, elongation 10%, hardness 404 BHN, corrosion rate 1,306 mpy).
Co-Authors ', Hotmariani A.A. Ketut Agung Cahyawan W Aan Restu Mukti, Aan Restu Abd.Rashid, Muhammad Hafiz Abda Abda Abdul Wahab Abdi, Abdul Wahab Abdullah, Hewa Yaseen Adenia, Dea Aditya Dwi Prasetio, Aditya Dwi Admaja, Brilian Damar Agrina, Agrina Ahmad Handoko, Ahmad Ahmad Syazili Akbar, Gilang Mahendra Akem, Umar Alamsyah Taher, Alamsyah Alghifari, Luth Fian Alrohmah, Nova Amir Hamzah Amri, Khoirul Ananda, Talia Andi Setiono Andri Andri Anggia, Indry Puspita Arif Hidayat Arifullah, Moh. Arrasyid, M. Ikbal Asep Saeful Rohman Asmanto, Budi Asong, Andi Muh. Dodi Atfal, Najuan Tri Aulia, Vinka Azhar Azhar Azhar Azhar, Aidil Azhar, Zalfa Nopianda Azizah Rahmadiyanti, Sri Diva Azizahwati Azizahwati Azmi, Said Nurul Bambang Widiyatmoko Bao Giang, Phan Bibara, Kushkimbayeva Bima Fandi A Cecarwati, Dwi Daeng Ayub Dani Anggoro Defrianto Defrianto Desi Ratna Ayu Desiono, Maula Dewi, Lusiya Dian Saptarini Dina Mardiati, Dina Dwi Bayuwati Dwi Hanto Dwi Hanto Eddy Samsurizal eri purwanti Evi Sapinatul Bahriah Fadhilah, Nurunnisa Syifaul Fajri Arif Wibawa Fajri, Oknain Faridiansyah, M.Faridiansyah Fatoni, Fatoni Febrita, Helen Tria Febriyana, Dinda Firdaus Firdaus Firman Farid Muhsoni Fitmawati Fitmawati Fitria, Sarah Dwi Fitriani, Endah Gilang Ramadhan Halim, Hendra Hamuda, Hayadi Handayani, Made Kurni Hendrikson R Panjaitan Hermawan, Aldi Husdi, Irwan Rawal Ikha Safitri Ilka Zufria Ilman Zuhri Yadi Imam Mulyanto Indra Mawanta Ginting Irwansyah Irwansyah Isty, Miftahul Farhani Jaafar, Azhar Johan Mahyudi, Johan Junilita, Wika Jurwita, Linda Kanchanawongpaisan, Sipnarong Komala Dewi, Ayu Koswara, Dinar Kurnia, Dwi kurnia Kushadiwijayanto, Arie Antasari Kusuma, Doni Kuswara Lasinta Ari Nendra Wibawa Lenisa, Stefiana Liyan Desi Yulia, Liyan Desi Lukman Hakim Lutrisia, Dian M. Rahmad M. Yusuf Maharani, Aulia Deli Mahsun Mahsun Maikul, Kusherbayeva Mailisna, Mailisna MANGGALANI, RINA Manik, Rizki Ezra Mantik, Aliya Mantik, Aliya Maria Ulfa Marwan, Arip Marwin, Azwir Masdiana Masdiana Masjudin, Masjudin Massara, Asma Maulana, Agam Muhammad Maulidya, Nurul Megandhi Gusti Wardhana Miftakhur Rohmah, Miftakhur Muammar Rinaldi Muhammad Akhmad, Firdausi Muhammad Sahal Muhdiyat, Diyat Muhtar Yahya, Slamet Mujiburrahman . Mujtahid, Iqbal Miftakhul Mukti, David Ari Musyafra, Nurhafizah Mutiyah, Citra Mutmainah, Tika Rina Nabil, Muhammad Faiz Nabila, Rafika Nasution, Lisa Elianti Nauvaldy, M. Khanifa Rizki Nelfyenny, Nelfyenny Neni Hermita Ngatwadi Nikmah, Mulyatun Nugraha, Gagan Nur Islami Nurcahyo , Gunadi Widi Nurdiansyah, Denni Nurdiansyah, Syarif Irwan Nurhidayati, Laela Nurzaqi, Dandhy Aditya Octavia, Kathina Oki Sudi Wijaya, Werry Oktavia, Irna Paiq afiq, Muhammad Pamungkas, Bayu Panggih Pamungkas, Fauzi Catur Pebrianto, Anggi Pirhat Abbas Prabowo, Danang Pradana, Eric Pratama, Yofan Adi Premono, Satria Bagoes Aji Prisilia, Arla Aelani Puspita, Frica Nanda Putra Aji, Gatot Bintoro Putri, Clarisa Putri, Melisa Amelia Qoni’ah, Nurul Rabin, Mohammed Fisal Rahmaddani, Putri Ramadhan, Khaikal Ramadyanto, Aldi Fari Ramanda, Bayu Dwi Ranti, Linda Renata, Zabina Rini Kasrah Rini, Ari Sulistyo Risna, Novia Yunanda Risnati Malinda Riswandi, Arif Rohmah, Miftakhur - Rohmaturobbi, A Naji Roji, Syahrur Romijarso, Toni B. Romijarso, Toni Bambang Ronald, Azza Ruljaya, Wahyu Syahputra Rusyana, Iyus Sabeli Aliya Saeprokhman, Asep Saktioto Saktioto Saktioto Samudra, Mohd Rendy Sanjaya, Risky Saputra, Yanto Saputri, Debi Eka Septiana, Waini Sholihat, M. Nuur’aini Siregar, Guna Yanti Siregar, Gunayanti Sitania, Farida Djumiati Siti Komariah Soerbakti, Yan Sofia Anita Sri Rezeki Sudarmaji SUDARMAJI SUDARMAJI Suhaini, Suhaini Suhendra, Hafiz Sukmana, Ece Sulthoniyah, Siti Tsaniyatul M. Sumijan Sunardi, Lukman Surya Wisada Dachi Suryadi Suryadi Suryayusra, Suryayusra Susan Dian Purnamasari, Susan Dian Sutoyo Sutoyo Sutoyo Suyanto Suyanto Suyud Widodo, Suyud Syafei, Ilham Syahril Rizal, Syahril Syarifudin, Ahmad Syarkawi, Mukhtar Thahir Syihabuddin Syihabuddin Syuhada, Amelia Tampi, Munawwaroh Tasya, Desy Anna Thahir, Musa Thahura, Farahdiba Triana, Clarisa Ucu Koswara, Ucu Usman Ependi Utama, Dedi P. Utama, Dedi Pria Vebrianto, Rian Warohomah, Fitry Mifthoh Warsidah, Warsidah WIBAWA, RESDHI Wistina Seneru Wulandari, Intan Yanti, Guna Yayan Yayan Yennita Yennita, Y Yoyo Arifardhani Yulianti, Anissa Yunita, Irwa Yunus Winoto Yupapin, Preecha Yusuf Zaenudin, M. Zuhdi Ma’aruf