Impact testing is used to determine an objects ability to withstand an impact, also defined as two object hit in to each other at a high speed.

Performing Impact Testing

Impact testing is most commonly done on a Charpy Impact Tester as seen on the picture to the right. The specimens used have a V-Notch, U-Notch or a Key-Hole Notch as seen on below pictures.

V-Notch U-Notch or a Key-Hole Notch

The test consists of striking a standard specimen with a controlled weight traveling at a controlled speed. The change in speed indicates the energy absorbed when breaking the sample, and indicate the toughness of the material.
If a small amount of energy is absorbed during fracture, the material is brittle. If a huge amount of energy is absorbed, it indicates a ductile material is used.

Usage of Impact Test

Impact test can be used to compare different materials during development of a product, in order to select one with most suitable characteristics. Another scenario could be the impact test being performed during a problem solving exercise when an issue arise.

If you would like to know more about impact testing and how to use it as part of problem solving or risk mitigation, then our 8D Training or FMEA Training might be of interest to you. Please contact us for a free quote with no obligations.

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Impact Testing