A new model for determining fracture toughness of ductile materials is presented that uses indentation and is based on continuum damage mechanics (CDM) and the concept of critical void volume fraction. Fracture toughness evaluated using the model showed good agreement with standard fracture toughness test results.

Volume Subject Area:
Materials Technology
Keywords:
Indentation, Fracture toughness, Continuum damage mechanics, void
Topics:
Damage mechanics, Fracture toughness
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