10400718
| Question | Answer |
| What is PET? | A thermoplastic polymer. |
| If polymers contain large numbers of covalent bonds, why are they usually weak and compliant compared to ceramics? | Polymers have covalent bonds between adjacent atoms, but weak van der waal bonds between adjacent chains. |
| What is film blowing? | Technique that orientates chains in polymers. |
| Elastic deformation in metals occurs by what? | Changing the interatomic distance. |
| When a fine grained metal is heated, the grains can grow in size. If this happens, the modulus of the material will: | Remain the same. |
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