Analisa Pengaruh Arang Kayu Bakau, Arang Tempurung Kelapa Dan Arang Kayu Leban Pada Proses Pack Carburizing Terhadap Kekerasan Baja Karbon St 37

Sabri Mazuli, Bambang Dwi Haripriadi

Abstract


This research was conducted to determine the effect of variations in activated charcoal media and temperature variations on the price of rockwell hardness and the chemical composition of ST 37 steel in the carburizing process. The carburizing process is widely used to increase hardness and add carbon to steel which has a low hardness value and needs to be given special treatment to increase the hardness of the steel. In this study, the carburizing media used were mangrove charcoal, coconut shell charcoal, lebanese wood charcoal that had been made into powder and a mixture of BaCO3 as a catalyst. In this study, the carburizing process was carried out with temperature variations, namely 750oC, 850oC and 900oC after reaching the desired temperature and then held with a holding time of 2 hours. The percentage of carbon absorption is more absorbed in lebanese charcoal at a temperature of 900oC with the addition of carbon by 0.61%. Whereas for rockwell hardness testing the highest hardness value at 900oC was found in lebanese charcoal with a hardness value of 79.9 HRC.


Keywords


Carburizing;ST 37 Steel;Rockwell Hardness;Chemical Composition

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DOI: https://doi.org/10.30596/rmme.v3i2.5275

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