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2014新著：压敏材料（Plasticity of Pressure-Sensitive Materials） 已有1人参与
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Plasticity of Pressure-Sensitive Materials Series: Engineering Materials Altenbach, Holm, Öchsner, Andreas (Eds.) 2014, X, 376 p. 191 illus., 66 illus. in color. Classical plasticity theory of metals is independent of the hydrostatic pressure. However, if the metal contains voids or pores or if the structure is composed of cells, this classical assumption is no more valid and the influence of the hydrostatic pressure must be incorporated in the constitutive description. Looking at the microlevel, metal plasticity is connected with the uniform planes of atoms organized with long-range order. Planes may slip past each other along their close-packed directions. The result is a permanent change of shape within the crystal and plastic deformation. The presence of dislocations increases the likelihood of planes slipping. Nowadays, the theory of pressure sensitive plasticity is successfully applied to many other important classes of materials (polymers, concrete, bones etc.) even if the phenomena on the micro-level are different to classical plasticity of metals. The theoretical background of this phenomenological approach based on observations on the macro-level is described in detail in this monograph and applied to a wide range of different important materials in the last part of this book. Table of contents : Content: Front Matter....Pages i-x Basic Equations of Continuum Mechanics....Pages 1-47 Phenomenological Yield and Failure Criteria....Pages 49-152 Plasticity of Cellular Metals (Foams)....Pages 153-204 Transmission Conditions for Thin Elasto-Plastic Pressure-Dependent Interphases....Pages 205-251 Effect of Pressure-Dependency of the Yield Criterion on the Strain Rate Intensity Factor....Pages 253-348 Mechanical Response of Porous Materials: The Gurson Model....Pages 349-376 |
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2014-12-06 15:19:53, 8.01 M
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