4-69. The assembly has the diameters and material indicated. If it fits securely between
its fixed supports when the temperature is $T_1 = 70°F$, determine the average normal
stress in each material when the temperature reaches $T_2 = 110°F$.
Problem 4-69
2014-T6 Aluminum
C 86100 Bronze
304 Stainless
steel
A
12 in.
8 in.
D
B
C 4 in.
4 ft
6 ft
3 ft