2. We wish to produce a 1-mm-diameter copper wire having a minimum yield strength of 420
MPa and a minimum % elongation of 5%. We start with a 20-mm-diameter rod. Design the
process by which the wire can be drawn. Include all-important details and explain.
Strength (MPa)
100
600
90
500
Tensile strength
80
70
400
60
Yield strength
50
300
40
200
30
20
100
% Elongation
10
0
0
20
40 60 80 100
% Elongation