Compression After Impact test (CAI) is used to define the damage resistance of composites after an Impact event. An impact on composite laminate panel may result in no visible external damage, but it may generate a dramatic reduction of compressive strength. The design of automotive parts using composite materials should consider the effects of impact on the material properties. These data can be obtained following dedicated standards (i.e. ASTM D7136M, ASTM D7136), using an Instron Drop Tower configured with CAI accessories.
Composite Laminates Compression After Impact Testing
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