Aircraft composite material evaluation – Material Types and Damages.

When we consider aircraft composite material evaluation, the material types and damages classification is critical to an accurate assessment and continued airworthiness.

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You can see on the example that we have many distinct types of damage shows including

Type A = ​Delamination
Type B = ​Disbond
Type C = ​Core Damage
Type D = ​Delamination/disbonding impact damage

So, what’s Monolithic structure and Honeycomb Sandwich?

Monolithic structure is made from multiple layers of tight fibre’s which are then linked with a matrix (a resin of some kind) moulded to a specific shape or contour. A honeycomb structure has a sandwiched “core” that is encased by skins.

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