What are the applications of X-ray inspection technology in civil aviation?


Release Date:

2021/08/13

Nondestructive testing is the assessment of internal material defects, structural flaws in components, and variations in physical properties and composition—without causing damage to or altering the original condition and performance of the raw materials or workpieces. Currently, nondestructive testing technologies using flaw detectors are primarily employed for in-process inspection during product manufacturing and for final-product inspection. For airlines, nondestructive testing has become an increasingly critical tool for detecting structural damage in aircraft, and as such, it is receiving growing attention from the aviation industry.

1. Defects generated during the manufacturing process of aircraft components.
2. Porosity, delamination, compressive deformation, and cracking within aircraft composite materials degrade the mechanical and physical properties of composite structural components.
3. During flight, aircraft are exposed to environmental factors such as humid air and acid rain in certain regions, which can lead to debonding of composite materials and overall structural damage.
4. Structural damage to the landing gear resulting from excessive loading on the aircraft during takeoff and landing due to various causes. Cracks typically initiate at stress-concentration areas, such as the fillet transitions at the wheel hub’s mounting seat and the threaded portions of the connecting bolts.
5. Scratches, dents, and other damage resulting from routine maintenance activities, as well as inspection-related factors. For airlines, nondestructive testing (NDT) is an increasingly important method for detecting structural damage to aircraft, and its significance is steadily growing.

   


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