PENGARUH VARIASI MEDIA PENDINGIN QUENCHING TERHADAP KEKERASAN BAJA AISI 1045

SARI, DARTI PURNAMA and Kurniawan, Elfahmi Dwi (2021) PENGARUH VARIASI MEDIA PENDINGIN QUENCHING TERHADAP KEKERASAN BAJA AISI 1045. Undergraduate thesis, Sriwijaya University.

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Abstract

AISI 1045 steel has a carbon content ranging from 0.42% to 0.50%, the use of AISI 1045 steel as engine spare parts components such as gears, shafts, crankshafts, chains and piston connectors. Efforts to make steel more resistant to stress or pressure is by cooling. The purpose of this study was to determine the effect of variations in cooling media on the hardness of AISI 1045 steel, the type of research used was experimental research. Small cylindrical specimens with a diameter of 25 mm and a thickness of 20 mm. The specimens used a heating furnace with a temperature of 850℃ and a holding time of 28 minutes, with diesel quenching media, dromus oil and young coconut water, and tested for Vickers hardness with a load of 30 kgf. The highest hardness results were found in young coconut water quenching specimens with a hardness value of 752,764 kg/mm2, then diesel quenching specimens with a hardness value of 271,764 kg/mm2 and the lowest hardness values on dromus oil quenching media 264,780 kg/mm2. Variations in cooling media affect the hardness of AISI 1045 steel.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Quenching, Media Pendingin, Kekerasan
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials > TA413.M66 Metals--Testing. Strains and stresses
Divisions:	06-Faculty of Education and Educational Science > 83203-Mechanical Technique Education (S1)
Depositing User:	Users 10754 not found.
Date Deposited:	25 Jan 2022 03:16
Last Modified:	27 Jan 2022 08:02
URI:	http://repository.unsri.ac.id/id/eprint/62561

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