Materials and NDT applications in aircraft component development tests

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Materials and NDT applications in aircraft component development tests

Goldbach, Sabine / Franke, Rainer

The implementation of new materials and design concepts for new types of aircraft structures requires a significant large number of material tests starting from coupon tests through different levels of component tests (shell, barrel) up to full scale testing of complete aircraft structures accompanied by measurements and non-destructive inspections. As one of the most important engineering service providers for the aerospace industry in Europe and an expert for outstanding engineering services, IMA Dresden offers complex services for development, qualification and certification testing. This includes the development of new test concepts and the acceptance of the responsibility for design and procurement of the test equipment. The concept of the non-destructive testing of materials (NDT) is focused on the ability of how all the possible damages can quantitatively be detected according to the test pyramid. When NDT is accomplished during full scale test (FST) for establishing a fatigue life of aircraft structures, damage tolerance approach (DTA) must be considered. It can be defined as the ability of the aircraft structure to sustain expected limit loads in the presence of fatigue, corrosion or accidental damage until such damage is detected through inspections and repaired.