Difference between hardness and toughness
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Toughness is the ability of a material to absorb energy and plastically deform without fracturing. Force applied, plastically deformed but no fracture = Very tough. ... Hardness is dependent on stiffness and toughness.
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Hardness- "Resistance to wear, machining, cutting, scratching, indentation." Toughness -" The strain energy stored by body upto fracture." Resilience- "The strain energy stored by body upto elastic limit"/"Recoverable/elastic strain energy."
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