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Full Description
This book discusses bulk solids that derive their mechanical properties not from those of their base materials, but from their designed microstructures. Focusing on the negative mechanical properties, it addresses topics that reveal the counter-intuitive nature of solids, specifically the negativity of properties that are commonly positive, such as negative bulk modulus, negative compressibility, negative hygroexpansion, negative thermal expansion, negative stiffness phase, and negative Poisson's ratio. These topics are significant not only due to the curiosity they have sparked, but also because of the possibility of designing materials and structures that can behave in ways that are not normally expected in conventional solids, and as such, of materials that can outperform solids and structures made from conventional materials.
The book includes illustrations to facilitate learning, and, where appropriate, reference tables. The presentation is didactic, starting with simple cases, followed by increasingly complex ones. It provides a solid foundation for graduate students, and a valuable resource for practicing materials engineers seeking to develop novel materials through the judicious design of microstructures and their corresponding mechanisms.
Contents
Introduction.- Negative Thermal Expansivity.- Negative Hygro Expansivity.- Negative Compressibility.- Negative Stiffness Phase.- Negative Poisson's Ratio.- Analogies and Relationships Across Mechanical Metamaterials.- Metamaterial Beams.- Metamaterial Thin Plates and Shells.- Elasticity of Metamaterials.- Thermoelasticity of Metamaterials.- Elastic Stability of Metamaterial Structural Elements.- Elastodynamics of Metamaterials.- Shear Deformable Metamaterial Beams and Plates.- Metamaterial Composites.
