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Journal : Jurnal MEKANIKAL

OPTIMASI SIFAT MEKANIS KEKUATAN TARIK BAJA ST 50 DENGAN PERLAKUAN GAS CARBURIZING VARIASI HOLDING TIME UNTUK PENINGKATAN MUTU BAJA STANDAR UJI ASTM A370 Lesmanah, Unung; Marsyahyo, Eko; Vitasari, Prima
Jurnal MEKANIKAL Vol 4, No 2 (2013): JM Vol. 4 No. 2, Juli 2013
Publisher : Jurnal MEKANIKAL

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Abstract

ST 50 steel as a common engineering material, it can be optimized using gas carburizing treatment in Fluidized Bed Furnaces. Gas as carburizing media in the fluidied bed with vaned by holding time variation such as 1 hour, 2 hours, 3 hours, 4 hours, and 5 hours. The holding time variation is to be intern of mechanical properties of the steel. Optimized value of mechanical properties ST 50 was actived in 3 hours of the treatment, it found average of tensile strength 651,7 MPa. The results above were based on A370 ASTM standar. From SEM (Scanning Electron Microscope), fracture model also showed from SEM that the steel has hard and brittle fracture. It can be concluded that optimized steel using gas carburizing treatment shows significant improve of mechanical properties from steels.
Co-Authors Abdul Wafi Abdul Wafi, Abdul Abdul Wahab Abdurrahman Baihaqy Adnan Abdul Kholik Afian Nur Agus Tri Al-Hadist, Vidia Anshori, Mohammad Arief Budi Laksono Artono Rahardjo Artono Raharjo Aulia Febryan Aunur Rofiq Azizah, Kholidatul Bambang Hariyanto Bayu Priambodo Beni Miftahul Khoir Dharmawan, Yawan Fauzy Diki Candra Prastiyo Eko Marsyahyo Eko Noerhayati Ela Mufarrokhah Fadila Ficky Ali Murfiqin Fitra Ainur Rosyid Habibul Halim Harada Purwanto Hardianti, Winda Hari Surijanto Hari, Mat Hayat Hayat Ilham Dwi Prastio Irawan Irawan Irawan Irawan Irisianur Indahsari Khalim, M. Nur Khumaira, Sabikah Zaura Kristianto, Dwi Kurnia Wahyudi kurniawan, randy Laila, Maria Ulfa Nur Linia, Khofifah Putri Lutfi M. Nur Khalim M.Rizqi Al Fajar Margianto Margianto Misbahudin Misbahudin Moch. Habib Zain Moh Shadeki Roiyan Moh. Hidayatur Rohman Mohammad Jasa Afroni Muhammad Aditya Yanuar Muhammad Al Rizki Muhammad Rafli Nabilah Ilmi Hakimah Nasoikhul Ibad Norma Iswati Trie Wulandari Nur Robbi Nurul Humaidah Prastio, Ilham Dwi Prastiyo, Diki Candra Prima Vitasari Priyagung Hartono Purwanto, Harada Putra, Mega Ari Rafli, Muhammad Rizki, Muhammad Al Rohman, Moh. Hidayatur Rosyid, Fitra Ainur Salman Alfarisi Sofia Datun Hikmah Solihin, Moh Sudiyono Sudiyono Sugiono Sugiono Sugiono Sugiono Sugiono Sugiono Supriyono Supriyono Sutikno, Hadi Syahrul, Mochammad Syukri, Shofan Tri, Agus Wahfuddin Nur Arif Yanuar, Muhammad Aditya Yawan Fauzy Dharmawan Yazirin, Cepi Zain, Moch. Habib Zerlinda, Fidela Clarissa