ANALISIS PENGARUH QUENCHING DAN TEMPERING BESERTA VARIASI WAKTU TAHAN DENGAN MEDIA PENDINGIN OLI MESRAN SAE 40 TERHADAP STRUKTUR MIKRO DAN SIFAT MEKANIK BAJA KARBON SEDANG

SAPUTRA, FANHAR and Nukman, Nukman (2016) ANALISIS PENGARUH QUENCHING DAN TEMPERING BESERTA VARIASI WAKTU TAHAN DENGAN MEDIA PENDINGIN OLI MESRAN SAE 40 TERHADAP STRUKTUR MIKRO DAN SIFAT MEKANIK BAJA KARBON SEDANG. Undergraduate thesis, Sriwijaya university.

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Abstract

The purpose of this research is to compare the mechanical properties and microstructure of the medium carbon Steel, with heat treatment or without heat treatment. The heat treatments used are quench and quench-temper. The results of this research are the highest impact energy is on quenching 60 minutes - temper material which the increased is 16,39 % compare to non-heat treatment material, while the lowest impact energy is on quenched 30 minutes and its decreased 58,55 % compare to non-heat treatment. For the hardness value, the highest one is on quenched 30 minutes material which is increased to 30,69 % compare to raw material. Whereas the highest value of the tensile strength is on quenched 30 minutes, which is increased to 39.84 % compare to raw material and for the highest fracture value i s also on quenched 30 minutes, and its increased to 32,01 % compare to non-heat treatment material, and the highest value of strain is on quenched 60 minutes - temper material, its increased to 6,42 % compare to the non-heat treatment. Then almost every materials or specimens on this research have ferrite and pearlite as its microstructure as well. Key Words : medium carbon Steel, quenching, non-heat treatment, tempering, Mesran SAE 40 oil, impact testing, hardness testing, tensile testing, microstructure

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	baja karbon sedang, quenching, tanpa perlakuan panas. tempering, oli Mesran SAE 40, uji impact uji kekerasan, uji tarik, struktur mikro
Subjects:	T Technology > TJ Mechanical engineering and machinery > TJ1040-1119 Machinery exclusive of prime movers > TJ1073.6.B556 Oil mist lubrication
Divisions:	03-Faculty of Engineering > 21201-Mechanical Engineering (S1)
Depositing User:	Ichlasyah Aisyah
Date Deposited:	29 Aug 2025 03:22
Last Modified:	29 Aug 2025 03:22
URI:	http://repository.unsri.ac.id/id/eprint/183463

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