A Lüders band is a specific type of deformation band that forms in certain metallic materials, particularly ductile metals, when they are subjected to plastic deformation under tensile stress. Named after the German physicist Emil Lüders, these bands represent localized regions of strain that propagate through the material during the yielding process. When a material experiences strain hardening, it can initially deform uniformly, but as it reaches its yield strength, localized deformation may occur.
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