A major objective in designing new ceramics is to overcome A: Hardness B: Brittleness C: Reactivity D: Conductivity

With the increase of confining pressure, what changes will occur in the mechanical properties of rocks? A: Strength increase B: Elasticity modulus increase C: Brittleness reduce D: Plasticity increase

‍What sets ceramics apart is their set of properties common to nearly all forms.Those properties are （）‌ A: extreme hardness B: heat resistance C: corrosion resistance D: electrical and thermal conductivity E: low ductility F: brittleness