PENGARUH VARIASI TEMPERATUR ARTIFICIAL AGING
PADA PROSES HEAT TREATMENT MATERIAL AA 2024
T351 TERHADAP NILAI KEKERASAN DAN STRUKTUR
MIKRO
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Institusion
INSTITUT TEKNOLOGI DIRGANTARA ADISUTJIPTO
Author
Aulia Firama, Riang
Subject
T Technology (General)
Datestamp
2024-02-15 08:27:42
Abstract :
Aluminum alloy 2024 is widely used for aircraft component such as aircraft skin wings. Aluminum is used as a material for making airplane skin wings because of its strength and weight ratio. To improve the quality of the 2024 aluminum alloy, a heat treatment process is carried out. There is a heat treatment process to obtain the desired product for aircraft skin wing applications. The process consists of solution treatment, quenching, and natural aging. This research was aimed to investigate the effects of variations in artificial aging temperature variations on the hardness and microstructure of the AA 2024 material which was given a solution treatment process at the temperature of 500°C for 1 hour and then quenched with water for 5 minutes. Then, the artificial aging process was carried out for 1 hour at temperature variations of 0 °C, 100 °C, 150 °C, 200 °C, and 250 °C. The test results of the 2024 AA material showed that the level of hardness at temperature variations (1) 0 °C is 43.36 RA, (2) 100 °C is 45.90 RA, (3) 150 °C is 47.23 RA, (4) 200 °C is 50.80 RA, and (5) 250 °C is 36.63 RA. Thus, the highest average strength value was obtained at the temperature variation of 200 ° C of 50.80 RA.
Aluminum alloy 2024 is widely used for aircraft component such as aircraft skin wings. Aluminum is used as a material for making airplane skin wings because of its strength and weight ratio. To improve the quality of the 2024 aluminum alloy, a heat treatment process is carried out. There is a heat treatment process to obtain the desired product for aircraft skin wing applications. The process consists of solution treatment, quenching, and natural aging. This research was aimed to investigate the effects of variations in artificial aging temperature variations on the hardness and microstructure of the AA 2024 material which was given a solution treatment process at the temperature of 500°C for 1 hour and then quenched with water for 5 minutes. Then, the artificial aging process was carried out for 1 hour at temperature variations of 0 °C, 100 °C, 150 °C, 200 °C, and 250 °C. The test results of the 2024 AA material showed that the level of hardness at temperature variations (1) 0 °C is 43.36 RA, (2) 100 °C is 45.90 RA, (3) 150 °C is 47.23 RA, (4) 200 °C is 50.80 RA, and (5) 250 °C is 36.63 RA. Thus, the highest average strength value was obtained at the temperature variation of 200 ° C of 50.80 RA.
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