Analytical Description of Plastic Deformation Distribution in the Neck of a Flat Tensile SpecimenJournal: Mechanics, Materials Science & Engineering Journal (Vol.1, No. 1)
Publication Date: 2015-10-30
Authors : Yevgeny Ye. Deryugin; Natalya Antipina;
Page : 1-9
Keywords : neck of a flat specimen; plastic deformation; analytical description;
This work presents an analytical description of the non-uniform field distribution of plastic deformation in a flat specimen, which determines distortion of the specimen in the necking zone. The proposed method enables to be simulated the real non-uniform distributions of plastic deformation and neck distortion according to experimental measurements data. Analytical expressions are suitable for calculation of gradients and concentration of stress in the neck of a flat specimen made of real material, using well-known analytical and numerical methods: finite element methods, boundary element methods, relaxation element methods etc.
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