QUESTION TWO

Meal forming is a process where metals are subjected to plastic deformation to obtain the

required size, shape and sometimes a change in the mechanical properties.

a$)$ Discuss factors that would compel you to choose:

i$.$ Cold working over hot working

ii$.$ Hot extrusion over cold extrusion

iii. Indirect extrusion over direct extrusion.

i$.$ Name and briefly explain how Product X in Figure $1$ was produced.

ii$.$ Give any five $(5)$ properties of Product $x$ that makes it suitable to be produced by the

method you suggested in $($i$).$

iii. What are the advantages of using the method described in $($i$)$ over other alternative

iv$.$ With the aid of a diagram, sketch the microstructure that is likely going to be exhibited

by Product X $.$