Page 41 - Welding of Aluminium and its Alloys
P. 41
Welding metallurgy 33
300
Cold work
80
250
0.2% 60
proof 40
strength,
N/mm 2 20
200
150
100
100 150 200 250 300 350
Temperature, ∞C
2.17 Effect of annealing temperature on cold work and strength.
weld {
Hardness and
Hardness and strength of work-
strength of weld hardened alloy
metal
Hardness Strength
Hardness and
strength of
HAZ
75 50 25 0 25 50 75
Distance from centre of weld (mm)
2.18 Effect of welding on strength in cold worked alloy.
