PENGARUH TEMPERATURE CETAKAN TERHADAP STRUKTUR MIKRO, KEKERASAN, DAN KEKUATAN TARIK PADA PRODUK PENGECORAN ALUMINIUM PADUAN BERBASIS LIMBAH PISTON BEKAS

BUDI NUGROHO, CAHYO (2018) PENGARUH TEMPERATURE CETAKAN TERHADAP STRUKTUR MIKRO, KEKERASAN, DAN KEKUATAN TARIK PADA PRODUK PENGECORAN ALUMINIUM PADUAN BERBASIS LIMBAH PISTON BEKAS. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

This study aimed to identify the effect of re-casting on the micro structure, hardness, and tensile strength of aluminum. The materials used were waste used piston. The material was melted over a casting furnace and poured at a temperature of 700˚C using a heated metal mold with temperatures of 190˚C, 220˚C, 250˚C. The casting results were then subjected to the tensile testing specimens using the ASTM E8/E8M-09 standard for the tensile test and hardness test specimens. Reprocessing was done three times with the same pouring temperature but the different mold at each temperature of the mold were made into five specimens. The conclusion of the test results that was the tensile strength test data decreased at the temperature of 220˚C mold due to the defects in the casting process while the hardness data increased with increasing mold temperature.

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