Pengaruh Heat Treatment Terhadap Nilai Kekerasan Dan Struktur Mikro Pada Velg (Oem, Lokal, Velg Variasi Buatan Taiwan) Dengan Media Pendinginan Quenching Air

Rizkyasony, Radifan and , Masyrukan, ST, MT (2021) Pengaruh Heat Treatment Terhadap Nilai Kekerasan Dan Struktur Mikro Pada Velg (Oem, Lokal, Velg Variasi Buatan Taiwan) Dengan Media Pendinginan Quenching Air. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Abstract The purpose of this study was to determine the chemical composition, the effect of artificial aging, and the effect of water-cooling media on the quenching process on the hardness value. The materials used are OEM, Local, and Import wheels which are melted in the kitchen and then printed using a sand mold at 5000 C for 5 minutes. Furthermore, the specimens were quenched in a water-cooling medium at 1800 C for 4 hours. The tools used are Metal Scan Spectrometer, Olympus Metallurgical Microscope with ASTM E 3 standard, and Brinell hardness testing with ASTM E 10 standard. The results gained from the chemical composition of the raw material contained Al on the wheels are respectively (93.59%, 92.15%, and 93.18%). The content of the SI elements on the wheels respectively (6.09%, 3.65%, and 6.47%). The elements content of the Mg on the wheels are respectively (0.0681%, 0.0507%, and 0.0623%). The results of the Brinell hardness test for OEM raw material wheels are HB85.4 kgf / mm, the results of quenching of water media HB = 48.76 kgf / mm, and the results of artificial aging media for water HB = 55.69 kgf / mm. Keyword: Velg, Artifial Aging, Quenching

Item Type:	Thesis (Skripsi)
Uncontrolled Keywords:	Keyword: Velg, Artifial Aging, Quenching
Subjects:	T Technology > TJ Mechanical engineering and machinery T Technology > TS Manufactures
Divisions:	Fakultas Teknik > S1 Teknik Mesin
Depositing User:	RADIFAN RIZKYASONY
Date Deposited:	11 Nov 2021 03:11
Last Modified:	11 Nov 2021 03:11
URI:	http://eprints.ums.ac.id/id/eprint/95442

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