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The fracture resistance of a material is defined as its ________

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The fracture resistance of a material is defined as its ________

(a) Fracture strength

(b) Fracture toughness

(c) Fracture hardness

(d) Fracture resilience

The question was asked by my school principal while I was bunking the class.

This question is from Fracture Toughness, Protection against Fracture topic in chapter Imperfection in Metal Crystals, Fracture, Corrosion and Oxidation of Engineering Material & Metallurgy

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The correct option is (b) Fracture toughness

Easiest explanation: When cracks are present, the ability of a material to resist fracture is an important characteristic. The fracture resistance of a material in the presence of cracks and discontinuities is defined as its fracture toughness.

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