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In physics and materials science, plasticity (also known as plastic deformation) is the ability of a solid material to undergo permanent deformation, a non-reversible change of shape in response to applied forces.
Plasticity (physics), in engineering and physics, the propensity of a solid material to undergo permanent deformation under load; Behavioral plasticity, change in an organism's behavior in response to exposure to stimuli; Neuroplasticity, in neuroscience, how entire brain structures, and the brain itself, can change as a result of experience
Pages in category "Plasticity (physics)" The following 39 pages are in this category, out of 39 total. This list may not reflect recent changes. ...
It is a part of plasticity theory that mostly applies to ductile materials, such as some metals. Prior to yield , material response can be assumed to be of a linear elastic , nonlinear elastic , or viscoelastic behavior.
The study of the physics of continuous materials: Solid mechanics The study of the physics of continuous materials with a defined rest shape. Elasticity Describes materials that return to their rest shape after applied stresses are removed. Plasticity Describes materials that permanently deform after a sufficient applied stress. Rheology
In geotechnical engineering, rock mass plasticity is the study of the response of rocks to loads beyond the elastic limit. Historically, conventional wisdom has it that rock is brittle and fails by fracture , while plasticity (irreversible deformation without fracture) is identified with ductile materials such as metals .
The plane stress, anisotropic, Hosford yield surface for four values of n and R=2.0. The Logan-Hosford yield criterion for anisotropic plasticity [2] [3] is similar to Hill's generalized yield criterion and has the form
However, the benefit of this effect is that it can be used to measure the effects of strain gradients on plasticity. Several new plasticity models have been developed using data from indentation size effect studies, [ 4 ] which can be applied to high strain gradient situations such as thin films.