Stress Strain Curve For Ceramics

Stress strain curves for two brittle materials.

Stress strain curve for ceramics.

For brittle ceramics a three point bending apparatus shown in the figure below is used determine the stress strain behavior and the measurement results are used to calculate an equivalent modulus of elasticity. 5 for each of the glass ceramic. And finally analogous to ceramics are the stiff fibers and rigid plastics. Elastomers are the ones that strains more w a lower stress.

It was found that they behaved as elastic materials. Data from experiments section 2 line fits from theoretical analysis section 4. 1 metals al alloy stress strain curve. 2 stress strain curve for ceramics.

The electric strain gauge was used to study the deformation of several types of ceramic materials under stress. Quasi ductile ceramics 523 indentation stress strain po a r data are plotted in fig. With a very short elastic region but highly capable of supporting huge stresses. The hard fired materials exhibit straight line deformation to failure while the softer fired have a proportional elastic limit beyond which the stress strain curve deviates.