Aluminum and its alloys are used to make a number of automotive components. It is due to aluminum’s light weight, anti-corrosiveness, formability, and affordable price. However, numerous procedures have been carried out to boost its strength due to mechanical characteristics, one of which is artificial aging. The effects of aging on the fatigue life of aluminum 2024-T351 will be examined in this study. The technique of treating the solution involved heating it to 500 oC for an hour and then immediately cooling it to room temperature. By reheating the aluminum alloy to 180 oC and maintaining heat there for a variety of 2, 4, and 6 hours, the fake aging process was continued. The goal was to obtain various precipitation types in anticipation of an increase in the material’s fatigue life. Then, a reversed bending test was carried out with loads of 1.0, 0.9, 0.7, 0.5, and 0.4 σu. The results of the study indicated that aging time had an influence on the fatigue life of aluminum alloy 2024-T351. Fatigue life lengthens with increasing aging time. The increase in fatigue life ranges from 13.3–63.3% compared to aluminum without heat treatment.

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