What are the key differences between an Izod and Charpy Impact Tester?

The Izod and Charpy impact testers are both crucial tools for evaluating a material's toughness and impact resistance, yet they differ in their testing methodologies and applications. While both measure the energy absorbed by a specimen before fracture, the Izod tester applies the impact load perpendicular to the specimen's long axis, whereas the Charpy tester applies it parallel to the axis. Additionally, the specimen geometry and notch configuration vary between the two tests, impacting their respective results and suitability for different materials and applications.

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