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About: Crack closure     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : dbo:Disease, within Data Space : dbpedia.org associated with source document(s)

Type: disease New Facet based on Instances of this Class

Crack closure is a phenomenon in fatigue loading, where the opposing faces of a crack remain in contact even with an external load acting on the material. As the load is increased, a critical value will be reached at which time the crack becomes open. Crack closure occurs from the presence of material propping open the crack faces and can arise from many sources including plastic deformation or phase transformation during crack propagation, corrosion of crack surfaces, presence of fluids in the crack, or roughness at cracked surfaces.