PENGARUH PROSES QUENCHING PADA LOGAM ST 37 DENGAN PENAMBAHAN EKSTRAK DAUN PEPAYA DALAM PROSES LAJU KOROSI DI LINGKUNGAN SUHU RUANGAN

MAYU, STEVEN INDRA and Setiyo, Edi (2023) PENGARUH PROSES QUENCHING PADA LOGAM ST 37 DENGAN PENAMBAHAN EKSTRAK DAUN PEPAYA DALAM PROSES LAJU KOROSI DI LINGKUNGAN SUHU RUANGAN. Undergraduate thesis, Sriwijaya University.

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Abstract

Quenching is one of the heat treatment techniques used to produce metals with a higher hardness level. This study aims to determine the effect of the addition of papaya leaf extract on the corrosion rate of ST 37 steel and quenching. This research is an experiment. Five specimens to be tested using a quenching process with papaya leaf extract with varying concentrations of 100%, 80%, 60%, 40% and without extract. The quenching temperature is 8000C with a holding time of 45 minutes. corrosive media in the form of sulfuric acid with a soaking duration of 72 hours. After that, a weighloss test was carried out. The results of the specimen with a concentration of 100% obtained a corrosion rate of 3.440 mpy, 80% content of 2.871 mpy, 60% of 3.457 mpy, 40% of 3.330 mpy, and those without papaya leaf extract 3.727 mpy. It was concluded that there was an effect of papaya leaf extract on ST 37 steel on the corrosion rate. Where the substances contained in the papaya leaf extract are not able to prevent the mass loss that occurs but quite a bit reduce the corrosive rate.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Quenching ,weighloss,ekstrak daun pepaya,asam sulfat
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials > TA401.A327 Materials science T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials > TA403.6.K7813 Manufacturing processes. Materials--Catalogs. Materials science.
Divisions:	06-Faculty of Education and Educational Science > 83203-Mechanical Technique Education (S1)
Depositing User:	Steven indra mayu
Date Deposited:	30 May 2023 08:12
Last Modified:	31 May 2023 05:48
URI:	http://repository.unsri.ac.id/id/eprint/105744

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