Pengaruh Variasi Kandungan Magnesium (Mg) dalam Proses Pembuatan Besi Cor Nodular terhadap Kekerasan

Setyawan, Ardiyan Aji and , Agung Setyo Darmawan, ST. MT (2019) Pengaruh Variasi Kandungan Magnesium (Mg) dalam Proses Pembuatan Besi Cor Nodular terhadap Kekerasan. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Nodular cast iron is a gray cast iron with the process of adding magnesium alloy (Mg) or cerium (Ce) so that it transforms the shape of the graphite flakes into rounded (nodules).The purpose of this study is to determine the influence of magnesium content on microstructure and hardness of nodular cast iron. The research was conducted using the material of nodular cast iron which is melted in the induction furnace, this study uses the main ingredient FCD as the starting ingredient.The process of forming a spherical graphite cast iron is carried out by using the open Ladel system, the addition of FeSiMg weighing 50 grams, 100 grams, 150 grams, and 200 grams are placed on the base of Ladel with a capacity of 15 kg shortly before the liquid iron were poured into the Ladel Pouring.The results showed that increasing elements of magnesium (Mg) will result graphite granules were tended to be smaller and increased perlit areas. The smallest hardness value 210,59 BHN occurs in specimens 1 Raw material FCD with magnesium composition 0,0296% Mg and the largest hardness value of 296,64 BHN occurs in specimen 5 with magnesium composition of 0,0351% Mg.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Besi Cor Nodular, Nodularisai, magnesium, Grafit, Kekerasan
Subjects:	T Technology > TJ Mechanical engineering and machinery T Technology > TN Mining engineering. Metallurgy T Technology > TS Manufactures
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	ARDIYAN AJI SETYAWAN
Date Deposited:	18 Jul 2019 06:15
Last Modified:	18 Jul 2019 06:15
URI:	http://eprints.ums.ac.id/id/eprint/74357

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