PENGARUH SUHU PENUANGAN TERHADAP STRUKTUR MIKRO,
KEKUATAN TARIK DAN KEKERASAN PADA PRODUK PENGECORAN
ALUMINIUM PADUAN BERBASIS MATERIAL PROPELLER BEKAS
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Institusion
INSTITUT TEKNOLOGI DIRGANTARA ADISUTJIPTO
Author
PETRUS LIU, TOMI
Subject
T Technology (General)
Datestamp
2024-08-13 07:25:34
Abstract :
With the current technological developments there are so many uses of aluminum on its use as an example of propeller. Propellers are aluminum alloys used in transport technology that are useful for generating thrust, generating power, increasing the efficiency of the aircraft and helping to cool the engine with the wind flow.The casting method was a pouring method with temperature variations of 700ºC, 750ºC, and 800ºC. The casting products were tested for the micro structure, tensile, and hardness. The results showed that the temperature variation of 700ºC had a tensile strength of 17.52 Mpa. The variation temperature of 750ºC had the lowest tensile strength of 6.97 Mpa. The temperature variation of 800ºC had the highest tensile strength of 18,73 Mpa. The result of the highest hardness test at a temperature variation of 700ºC was 82.71 VHN. The result of the lowest hardness test on the temperature variation of 750ºC was of 75.488 VHN. The result of the hardness test at the temperature variation 800ºC was 82,685 VHN. It is supported by the result of micro structure. The temperature variation of 700ºC indicated the change of alumunium structure to be smaller and evenly distributed. At the 750ºC temperature variation, the aluminum structure was larger and diffused. At a temperature variation of 800ºC, the alumunium structure was larger and evenly distributed.
With the current technological developments there are so many uses of aluminum on its use as an example of propeller. Propellers are aluminum alloys used in transport technology that are useful for generating thrust, generating power, increasing the efficiency of the aircraft and helping to cool the engine with the wind flow.The casting method was a pouring method with temperature variations of 700ºC, 750ºC, and 800ºC. The casting products were tested for the micro structure, tensile, and hardness. The results showed that the temperature variation of 700ºC had a tensile strength of 17.52 Mpa. The variation temperature of 750ºC had the lowest tensile strength of 6.97 Mpa. The temperature variation of 800ºC had the highest tensile strength of 18,73 Mpa. The result of the highest hardness test at a temperature variation of 700ºC was 82.71 VHN. The result of the lowest hardness test on the temperature variation of 750ºC was of 75.488 VHN. The result of the hardness test at the temperature variation 800ºC was 82,685 VHN. It is supported by the result of micro structure. The temperature variation of 700ºC indicated the change of alumunium structure to be smaller and evenly distributed. At the 750ºC temperature variation, the aluminum structure was larger and diffused. At a temperature variation of 800ºC, the alumunium structure was larger and evenly distributed.
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