Ceramic Elastic Deformation

Understanding elastic deformation is very important in ceramics to eliminate instantaneous brittle fracture at some applied stress levels.

Ceramic elastic deformation.

This force is known as strain. Each atom tries to pull its neighbor as close as possible. This change in shape is called deformation. Plastic deformation of ceramic materials.

This causes the distance between atoms in the lattice to increase. A temporary shape change that is self reversing after the force is removed so that the object returns to its original shape is called elastic deformation. This causes a force trying to resist the deformation. The fracture stress is usually the same or very close to the elastic limit.

Understanding elastic deformation is very important in ceramics to eliminate instantaneous brittle fracture at some applied stress levels. Grain and grain boundary processes contribute to plastic strain. There axe very few ceramic materials free of pores that are also free of a glassy phase which 81 was present as a liquid during firing. Thermodynamically stable cavities can absorb vacancies 37.

Author links open overlay panel philip c dokko joseph a pask. Deformation can be elastic or plastic. Pores can reduce the load carrying cross section area cause local stress concentrations and lower elastic moduli. When a sufficient load is applied to a metal or other structural material it will cause the material to change shape.