Pengaruh Variasi Media Cetakan Pasir Merah dan Cetakan Pasir Hitam Pada Remelting Aluminium (Al) dengan Timah Hitam (Pb) Sebesar 20 % Terhadap Kekuatan Tarik, Kekerasan, Komposisi Kimia dan Struktur Mikro

Rahman, Abdul and , Agus Yulianto, ST, MT (2019) Pengaruh Variasi Media Cetakan Pasir Merah dan Cetakan Pasir Hitam Pada Remelting Aluminium (Al) dengan Timah Hitam (Pb) Sebesar 20 % Terhadap Kekuatan Tarik, Kekerasan, Komposisi Kimia dan Struktur Mikro. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

This study aims to study the variation of red sand and black sand mold media on aluminum (Al) smelting with lead (Pb) by 20% on tensile strength, defense, chemical composition and microstructure. The casting process in this final project starts at the beginning of making a pattern. Then make red sand molds and black sand molds. Then the melting to melt the casting material is needed a tool called a heating kitchen. Then pouring, moving liquid metal from the heating kitchen to the mold with the help of a tool called a ladel, then poured into the mold. After the demolition, there is a principle that dismantling the results of metal casting from the mold is done directly or mechanically. Then check, in the casting process checking the results of the castings has a purpose that is stored quality and refinement of the technique. From the reception, there will be a shortage in the process that has been done, where there are shortcomings that will increase the quality results. The test results of casting from aluminum and lead smelters produce specimens with specimens, in the specimens with red sand mold the results are 131.58 N / mm2, while specimens with black sand mold can produce a pull of 150.48 N / mm2. For the trials on specimens with red sand mold, the results were 98,599 HB while those with black sand mold obtained results of 82,936 HB. The chemical composition of red sand contains 15 elements, but only 4 elements that determine the cast iron, namely Si, Zn, Pb, and Cu because they contain more than 1% of the iron composition. Micro structure. The grain size of the microstructure of black sand mold variation is greater than the size of the variation of red sand mold. The red sand used as a mold contains clay content of 16.28% and black sand containing 5.46%. Keywords: Casting, Aluminum, Black Tin, Sand Mold

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Keywords: Casting, Aluminum, Black Tin, Sand Mold
Subjects:	T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General)
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	ABDUL RAHMAN
Date Deposited:	16 Feb 2019 08:54
Last Modified:	16 Feb 2019 08:54
URI:	http://eprints.ums.ac.id/id/eprint/71591

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