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All Journal Journal of Mechanical and Electrical Technology
Pangestu, Mulyo Aji
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Automotive Engineering Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Mechanical Engineering

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Austenitizing Temperature and Quenching Media Effects on Hardness and Microstructure in Hardening of AISI 1040 Steel Pangestu, Mulyo Aji; Rosidah, Afira Ainur
Metrotech (Journal of Mechanical and Electrical Technology) Vol 3 No 2: Mei 2024
Publisher : Fakultas Sains dan Teknologi, UNIRA Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33379/metrotech.v3i2.4178

Abstract

Hardening process is an important to make materials have harder properties related to wear resistance. This research determined the effects of austenitizing temperature and quenching media on the hardness and microstructure of AISI 1040. The austenitizing temperatures varies at 850°C, 900°C, and 950°C with PVA 10%, SAE 20W-50 oil, and salt water as quenching media. The method to measure hardness was the Brinell hardness test. The results showed changes in the microstructure from untreated steel with the structures of ferrite and pearlite to bainite and martensite. The highest hardness value of 416.22 kgf/mm2 was obtained in specimens with salt water media at an austenitizing temperature of 850°C.
Co-Authors Afira Ainur Rosidah