Pelapisan Calsium Carbida Permukaan Baja Karbon Rendah Dengan Pack Carburizing Energizer Serbuk Cangkang Kerang Mutiara
DOI:
10.29303/jpft.v6i2.2073Published:
2020-12-14Issue:
Vol. 6 No. 2 (2020): Juli-DesemberKeywords:
low carbon steel, pack carburizer, media carburize, pinctada maxima shell powderArticles
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Abstract
The research was conducted at the Laboratory of Material Mechanics, Department of Mechanical Engineering, Mataram University. The purpose of this researchààdeterminedàthe effect of the Pack Carburizingàparameters (temperature, soakinàtime and carburizer media composition) on the thicknessàof calsium carbida layerà(CaC), which is formed on the surface of low carbon steel. The thickness of the calcium carbonate layer affects the surface hardness numberàof low carbon steel. This research used low carbon steelàgrade SS400 as the specimen. Carburizer media is a mixture of corncob charcoal powder and Pinctada maxima shellsàpowder (PMSP).àPacks Carburizing was carried out at various temperatures: 875 0C, 900 0C, soakingàtime: 1,2,3 hours and the percentage of PMSP on the carburizer media: 10%, 20%, 30%. The results of the research show that the temperature carburizing , soaking time and the addition of PMSPàaffect the thickness of the calcium carbide layer on the surface of SS400 steel which is subjected to pack carburizing process. This is indicated by an increase in the surfaceàhardness number of 421%, the wear resistance 62,2 %. àthe thickness of the calcium carbide layer 1050 õm, the formation of pearlite structure, at the carburizing temperature of 900 0C,àsoaking time 3 hours and 30% addition of PMSP.
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Author Biographies
Sujita Darmo, Mataram University
Sugiman Sugiman, Universitas Mataram
Salman Salman, Universitas Mataram
Agus Dwi Catur, Universitas Mataram
Paryanto Dwi Setyawan, Universitas Mataram
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