Analisa Kekerasan Pada Pengecoran Aluminium Terhadap Proses Artificial Aging Dengan Variasi Suhu (150˚C,175˚C,200˚C)

Nur Amin, Asri and -, Ir. Masyrukan, MT (2020) Analisa Kekerasan Pada Pengecoran Aluminium Terhadap Proses Artificial Aging Dengan Variasi Suhu (150˚C,175˚C,200˚C). Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Casting is a metal smelting process by melting and then poured into a mold and allowed to freeze. The metal used in this study is Aluminum because it has a light density, corrosion resistant and easy to obtain From the EDX test results, it was found that the elements contained in the cast product were (Al) 70.03%, (C) 13.24%, (Si) 10.15, (Fe) 1.17%. , (Ni) 2.75%, (Cu) 2.48%. Judging from the elements that exist, it can be classified as Aluminum Alloy (Al-Si) The results of the research on SEM testing of the most dominant element is Aluminum (Al). In the morphological structure photo, the variation of Aging 150˚C shows that the crystal structure is bigger than the aging variation 175˚C and 200˚C. It can be concluded that the higher the hardness value, the more small crystal shape Analysis of the data shows that the value of the Rockwell hardness test results at Aging 150˚C is 69.11HRB. While at Aging 175˚C is 74.46HRB, and the highest value of violence occurs at Aging 200˚C that is 80.36HRB.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Pengecoran,Energy Dispersive X-Ray Spectroscopy,Scanning Electrone Microscope, Kekerasan(Rockwell),
Subjects:	L Education > L Education (General)
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	ASRI NUR AMIN
Date Deposited:	13 Nov 2020 03:37
Last Modified:	13 Nov 2020 03:37
URI:	http://eprints.ums.ac.id/id/eprint/82888

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