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What are the differences between Izod and Charpy impact tests? 


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The Izod and Charpy impact tests are both used to evaluate the impact resistance of materials. The Izod test involves a specimen clamped vertically and struck by a pendulum at a fixed distance from the notch, while the Charpy test involves a specimen supported horizontally and struck by a pendulum at the notch. The Izod test measures the energy required to break the specimen, while the Charpy test measures the energy absorbed by the specimen during fracture. The Izod test is commonly used for brittle materials, while the Charpy test is commonly used for ductile materials. Both tests provide valuable information about a material's ability to withstand impact loads, but the choice between them depends on the specific material and application.

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