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Impact Testing: The purpose of impact testing is to measure an object's ability to resist high-rate loading. It is usually thought of in terms of two objects striking each other at high relative speeds. A part or material's ability to resist impact often is one of the determining factors in the service life of a part, or in the suitability of a designated material for a particular application. Impact resistance can be one of the most difficult properties to quantify. The ability to quantify this property is a great advantage in product liability and safety.
Tensile or Compression Testing is Not Enough!
In standard testing, such as tensile and flexural testing, the material absorbs energy slowly. In everyday life, materials often must absorb energies very rapidly from falling objects, blows, collisions, drops, etc. Instrumented Impact testing is designed to simulate these conditions.