The impact response of composite materials was of only minor interest prior to the introduction of carbon fiber in the mid-1960s. Before that time, the composites in use were primarily reinforced with ...

The Izod impact test fixes one end of a notched specimen in a cantilever position by means of a vice. A striker on the arm of a pendulum or similar energy carrier then strikes the specimen. The energy ...

Figure 1. ASTM D8287 sandwich CAI test fixture and specimen. Photo Credit, all images: Dan Adams Damage tolerance testing of composites refers to the testing of specimens with a centrally located ...

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