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All Journal MACHINERY: Jurnal Teknologi Terapan
Almadora A. Sani
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Control & Systems Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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KEKERASAN DAN STRUKTUR MIKRO BAJA AISI 1040 SEBAGAI HASIL PROSES QUENCHING MENGGUNAKAN PENDINGIN AIR GARAM DAN ASAP CAIR Dodi Tafrant; Mulyadi Mulyadi; Hendradinata Hendradinata; Rachmat Dwi Sampurno; Almadora A. Sani; Karmin Karmin; Randy Hidayat; M. Agil Muzafar; Devita Dinda Fitriani
MACHINERY: Jurnal Teknologi Terapan Vol. 3 No. 2 (2022): Machinery:03022022
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.6857629

Abstract

Steel with various uses has an important role in machining and construction processes. In its use, steel is chosen because of its strength, ductility, and hardness. One type of steel commonly used in the machining process is AISI 1040 steel. This is because AISI 1040 steel has tough, strong, and hard properties. However, in its use sometimes AISI 1040 steel must be hardened to be more capable in its use. In that endeavor, AISI 1040 steel can be subjected to heat treatment to change its microstructure from initially Ferrite and Pearlite, to Martensite. This change in microstructure has an effect on increasing the hardness value of AISI 1040 steel. This study was conducted to determine how much effect the increase in hardness value would have if AISI 1040 steel was subjected quenching using brine and liquid smoke as cooling media. The results obtained were an increase in the hardness value of AISI 1040 steel to 63.76 HRc, and 65.40 HRc for each cooling medium. The visible microstructure is the formation of a martensitic phase on AISI 1040 steel after heat treatment.
Co-Authors Devita Dinda Fitriani Dodi Tafrant Hendradinata, Hendradinata Karmin Karmin M. Agil Muzafar Mulyadi Mulyadi Rachmat Dwi Sampurno Randy Hidayat