Pengaruh Quenching Dan Tempering Pada Temperatur 450 °C Terhadap Struktur Mikro, Kekerasan Dan Ketangguhan Pada Besi Cor Nodular

Muhammad, Irfan Rosyid and , Agung Setyo Darmawan, ST. MT (2021) Pengaruh Quenching Dan Tempering Pada Temperatur 450 °C Terhadap Struktur Mikro, Kekerasan Dan Ketangguhan Pada Besi Cor Nodular. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

This study aims to determine the effect of quenching and tempering 450°C on the microstructure, hardness and toughness in nodular cast iron. The material in this study using the material nodular cast iron with a length of 150 mm, a width of 150 mm and thickness 30 mm. Test specimens processed with the initial step austenitizing temperature of 850°C holding time 30 minutes. Then diquenching with the cooling medium of water. After quenching, heat treatment tempering temperature of 450°C and holding time of 60 minutes and pendingian the open air. The results of testing the hardness after quenching process of raw material cooling medium of water increased by 133.17% (56.73 HRC). The results of testing the hardness after tempering process against quenching media cooling open air decreased by 27.18% (41.37 HRC). The price impact after the quenching process of raw material cooling medium of water decreased by 17.07% (0.068 J/mm2). The price impact after the tempering process against quenching media cooling open air increased by 61.76% (0.110 J/mm2).

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Key words: quenching, tempering, cooling media, nodular cast iron, hardness, impact.
Subjects:	T Technology > TS Manufactures
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	MUHAMAD IRFAN ROSID
Date Deposited:	23 Oct 2021 01:37
Last Modified:	23 Oct 2021 01:56
URI:	http://eprints.ums.ac.id/id/eprint/94781

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