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All Journal Teknik: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer
Edi Santoso
Universitas 17 Agustus 1945 Surabaya

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Pengaruh Variasi Temperatur Pack Carburizing terhadap Kekerasan dan Struktur Mikro Baja ASTM A36 Angga Adi Saputro; M Dzaki Maulana Widiyatmoko; Edi Santoso
Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol. 6 No. 2 (2026): Juli : Jurnal Teknik Mesin, Elektro dan Ilmu Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/teknik.v6i2.11872

Abstract

The purpose of this study was to investigate the impact of pack carburizing heat treatment on the mechanical properties and corrosion rate of ASTM A36 steel at various temperatures of 850°C, 900°C, and 950°C. The research methods included pack carburizing, followed by quenching using distilled water, Rockwell hardness testing, microstructure observation at 50× magnification using an optical microscope, and corrosion testing using the weight loss method in seawater, rainwater, and NaCl solution. The results showed that heat treatment increased the hardness of the material, with a maximum value of 36.22 HRC at 950°C and a minimum value of 32.76 HRC in untreated conditions. Changes in the microstructure from ferrite–pearlite to martensite dominance with retained austenite occurred with increasing temperature, which contributed to the increase in hardness. The results of corrosion testing show that the corrosion rate tends to be lower at 850°C–900°C treatment compared to untreated conditions, but increases again at a temperature of 950°C, this is due to the presence of residual stress in the material.
Co-Authors Angga Adi Saputro M Dzaki Maulana Widiyatmoko