
400 Engineering Materials Technology
casting. Also directional properties can be imparted to the material to
improve its performance in service.
4 Directional properties have to be imparted to the part.
5 Seamless cup-shaped objects or cans have to be produced. Deep drawing or
impact extrusion would be the optimum methods.
6 The component is to be made from material in wire or bar form. Bending or
upsetting can be used.
19.4 Powder processes
Powder processes (see section 18.4) enable large numbers of small compo-
nents to be made at high rates of production and with little, if any, finishing
machining required. It enables components to be mad ...