Question

3. Name two brittle substances.​

Answer 1

Answer:

Brittle materials include glass, ceramic, graphite, and some alloys with extremely low plasticity, in which cracks can initiate without plastic deformation and can soon evolve into brittle breakage.

Answer 2

Answer:

Bone, cast iron, ceramic, and concrete are examples of brittle materials.

Explanation:

Materials that have relatively large plastic regions under tensile stress are known as ductile . Examples of ductile materials include aluminum and copper.