Deformation

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n (1) Change in dimension or shape of a plastic product, particularly a test specimen. (2) In a tensile or compression test, the change in length of the specimen in the direction of applied force. Deformation divided by original length equals elongation, often expressed as a percent. (3) In a shear mode, the angle of shear in radians. (Shah V (1998) Handbook of plastics testing technology. Wiley, New York) {G Deformation f; Verformung f, F déformation f, S deformación f, I deformazione f}.