Question

i. Traditionally, most brake calliper arms have been made from steel or aluminium alloy.

Select two alternative materials that could be used to manufacture the calliper arm. Each material chosen must be distinct from each other and each must provide a unique performance advantage for the calliper arm design over steel or aluminium alloy.

For each material selected, justify the performance advantage over steel or aluminium alloy, providing clear substantiating quantitative or qualitative evidence.

Answer 1