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Critical resolved shear stress
Additional recommended knowledge
Tests have been conducted on single crystals of metals, measuring the shearing stress (Fs divided by area) required to just initiate plastic deformation, or slip. Since this is a threshold value, it is referred to as critical, and since it is a component of the applied force or stress, it is said to be resolved; that is, the critical resolved shear stress.
The equation of CRSS is given by τ = σ cos Φ cos λ where Φ is the angle between the slip plane direction and the direction of the applied force and λ is the angle between the normal of the slip plane and the direction of the applied force.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Critical_resolved_shear_stress". A list of authors is available in Wikipedia.|