This study involves analysis of different Non-destructive testing techniques (NDT) to identify the most effective method for inspecting and maintaining the wing and landing gear of the Nigerian Air force aircraft Air-Bettle. Experiments were carried out using different techniques: eddy current, magnetic particle inspection (MPI), visual testing and Liquid penetrant. While the eddy current and visual methods were employed for the wing, MPI and dye penetrant techniques were used for the landing gear. The structural material of the wing surface and the landing gear is made up of aluminium alloy 2024-T3 and 300M steel, respectively. These materials are subjected to cyclical stresses during takeoff and landing. Hence the need for frequent inspection and testing of these aircraft components. Results from the experiments show that eddy current and visual testing was more effective for the wing while MPI and liquid penetrant were more suitable for the landing gear. Identifying these suitable NDT methods for the wing and landing gear would help in improving the inspection and maintenance of the aircraft, thus protecting it against structural failure initiated by cracks and wears.
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