Novel Predictive Tool Tests the Durability of Composite Materials

 

International Conferences on Composite Materials

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Novel Predictive Tool Tests the Durability of Composite Materials


According to Davidson, the industry is increasingly using layers upon layers of composite materials bonded together to build lighter and stronger airplanes. For instance, the Boeing 787 contains around 50% composite materials. The risk of delamination, or the separation of those many layers, which might be brought on by operating circumstances and impact hazards, is the difficulty in employing composites.

According to Davidson, the idea has uses in both the military and the commercial sectors.

Davidson says, “The military wants to more finely tune the service life of these composites. They want to know how durable our materials are and how fast can we put the aircraft back into action.”

Field experts will assess the extent of the aircraft damage using ultrasound equipment. This information will be used by Davidson’s developed predictive tool for computational tests to calculate the composite structure’s operating life and failure risk. The study also seeks to provide answers to the issues of what repairs are necessary, how long it will take to complete those repairs, and whether the aircraft is now safe to fly.

“The data obtained from the field teams is often incomplete. I’m infilling missing data using machine learning and computational tools to determine composite life, durability and safety. We’ll do the impacts and stress tests on the aircraft composites virtually,” Davidson adds.

Under the auspices of the AFRL’s Structural Integrity Research Collaborations for Aircraft program, the work will be carried out in the Laboratory for Advanced Materials, Manufacturing, and Analysis at UTA.

The effort by Davidson is crucial to flight safety for both the military and civilians, according to MAE chair Erian Armanios.

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