Mechanical Lab: Fracture Toughness

Fracture toughness (ASTM E399) is a property that represents the ability of a material containing a crack to resist fracture, and is one of the most important properties of any material for almost all design applications.

The Fracture block is notched with a slot ending in drilled hole, (Chevron or Straight through Notches available), measured, pre-cracked, and tested. The value is denoted as KIC or KQ and is expressed in the units of ksi√in or MPa√m.

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