Module 2:

Section 3.2.2 - Materials

Bulk properties of solids


Stretching solids

Tensile strain and tensile stress.

Elastic strain energy

Breaking stress.

Derivation of stored energy

Description of plastic behaviour, fracture and brittleness; interpretation of simple stress-strain curves.

Hooke's law

elastic limit,


The Young Modulus


One simple method of measurement.

Use of stress-strain graphs to find the Young modulus.