Lightweight means to realize a weight reduction, with sufficient rigidity, dynamic stability and strength. This is to ensure that the developed components and structures fulfill their tasks safely over the period of use.
The Fraunhofer Institute for Structural Durability and System Reliability LBF presented a four-meter-high exhibit at the COMPOSITES EUROPE – which is equipped with sensor technology SHM-wing mock-up of a light aircraft.
Fiber composites offer special advantages because of their lightweight potential in the aviation sector. The lightweight advantages may be more complex because of the damage behavior in comparison with metallic materials therefore they are not always fully exploit. In the airline for example, the impact is from foreign bodies in composite structures is a particular risk factor, limits the applications and often leads to large safety factors that require a certain amount of oversizing. Sensors which recognize, for example in the wing not externally visible structural damage at an early stage can reduce the inspection effort. The operational safety of the structure is ensured by the design and inspections at regular intervals manually. Through automated monitoring with additional structure integrated sensors can be saved in future costs and weight.
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