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

Romandhani, Aditya Brori and , Agung Setyo Darmawan, ST. MT (2019) Pengaruh Variasi Kandungan Magnesium (Mg) dalam Proses Pembuatan Besi Cor Nodular terhadap Ketahanan Aus. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Nodular cast iron is one type of cast iron whose graphite is round. Magnesium (Mg) is the material most often used by the casting industry as a graphite forming material because it is more profitable than other materials. This study aims to determine the effect of magnesium (Mg) content to microstructure and wear resistance of nodular cast iron. The study was used FCD as the starting material which was then smelted in the induction furnace. The process of forming round graphite cast iron is carried out by using an open ladel system, variations in the addition of FeSiMg by 50 grams, 100 grams, 150 grams, and 200 grams was placed under 15 kg capacity ladel just before the molten iron is poured into the ladel. The results showed that the increasing percentage of magnesium (Mg) in nodular cast iron produced the graphite granules which tended to be more rounded with uniform graphite grain size and tended to shrink, in addition there was an increase in pearlite area and reduced ferrite area. while based on wear testing with the ogoshi method the highest wear value 1,318 × 10-5 mm3/kg.m occurred in specimen 1 raw material FCD and the lowest wear value was 8.837 × 10-6 mm3/kg.m occurred in specimen 5.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Besi Cor Nodular, Nodularisasi, Magnesium, Grafit, Keausan
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:	ADITYA BRORI ROMANDHANI
Date Deposited:	18 Jul 2019 01:29
Last Modified:	18 Jul 2019 01:29
URI:	http://eprints.ums.ac.id/id/eprint/74358

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