ANALISA PROSES CARBURIZING DENGAN VARIASI WAKTU TAHAN 15, 30, 45, 60 TERHADAP KEKERASAN DAN STRUKTUR MIKRO BAJA KARBON ST 60

Putro Wicaksono, Nugroho and , Ir. Pramuko Ilmu Purboputro, MT. (2021) ANALISA PROSES CARBURIZING DENGAN VARIASI WAKTU TAHAN 15, 30, 45, 60 TERHADAP KEKERASAN DAN STRUKTUR MIKRO BAJA KARBON ST 60. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

This research describes the carburizing process in steel. The formulation of carburizing problems with variations in holding time of 15 minutes, 30 minutes, 45 minutes, 60 minutes on hardness and microstructure on ST60 carbon steel. The pack carburizing process is widely used to increase the surface hardness of steel. In this study, the carbon grain size used was mesh 140 (105 µm) with a temperature of 900 ° C. The results of this study indicate that at the variation of holding time 15 minutes the average hardness value is 56.7 HRA. At the holding time of 30 minutes the average hardness value was 57.1 HRA. Then at the holding time of 45 minutes the average hardness value was 57.4 HRA and at the holding time of 60 minutes was 57.5. Raw material has an average hardness value of 66.7 HRB. So the raw material after carburizing experienced an increase in hardness of 167-173%. Thus the holding time in the pack carburizing process affects the hardness of the material.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Carburizing, Normalizing, Microstructure, Hardness
Subjects:	T Technology > TS Manufactures
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	NUGROHO PUTRO WICAKSONO
Date Deposited:	04 May 2021 15:32
Last Modified:	04 May 2021 15:32
URI:	http://eprints.ums.ac.id/id/eprint/91017

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