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Hazards And Mitigation Measures In Aerospace Non-Destructive Testing, Khay-Wai Leong, Patti J. Clark

International Journal of Aviation, Aeronautics, and Aerospace

As an aircraft component is subjected to tensile/torsional/bending forces and heat cycles during operation, non-destructive inspection programs have been mandated by aviation regulatory authorities and component manufacturers to ensure that cracks and flaws in the aircraft structure, engine and components are detected before reaching catastrophic failure modes. In aerospace settings, eddy current, magnetic particle, dye penetrant and radiography inspection methods are known to affect worker health. Two recent studies have linked dye chemicals to bladder cancer, excessive electromagnetic field exposure has been linked to undue stress on the human body, and excessive exposure to ionizing radiation has been linked to …