Types of Impact Failures

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Yielding in impact failures

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Showing obvious deformation and stress whitening but no cracking takes place.

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Cracking indicate in impact failures

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Shows evidence of slight cracking and yielding without losing its shape or integrity.

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Brittle product failure

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The part fractures extensively without yielding, leading to catastrophic mechanical failure.

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Ductile plastic

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Ductile product example

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Example of ductile material

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Polycarbonate (PC).