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Bookmark or Share- What is Toughness - Definition - Material PropertiesToughness is the ability of a material to absorb energy and plastically deform without fracturing. One definition of toughness (for high-strain rate, fracture toughness) is that it is a property that is indicative of a material’s resistance to fracture when a crack (or other stress-concentrating defect) is present.Toughness is typically measured by the Charpy test or the Izod test.
- Strength vs. Hardness vs. Toughness - Engineering Stack ExchangeToughness = Ability of a material to absorb energy without fracture. In a stress-strain curve, the area under the curve is often considered a measure of toughness. In the sketch below, Material 2 has higher toughness than Material 1. (I should have drawn them to be more obviously different, but let’s say the area under the Material 2 curve is ...
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