Question

A compact tension sample containing a sharp crack is loaded in a mechanical testing system. On initial loading there is no crack extension. As the applied load increases, however, the crack may begin to extend. How can you determine if such crack growth is stable or unstable

Answer 1

To determine if such crack growth is stable or unstable, mechanical testing needs to be performed.

What is mechanical testing?

The mechanical testing system can be regarded as the system that helps to measure materials in term of the strength.

Therefore, with mechanical testing, we can know how ductile or brittle the material is, and with this we can know if stable with the ductility.

Learn more about mechanical testing at:

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