composite bar

Solution to Problem 275 Thermal Stress

Problem 275
A rigid horizontal bar of negligible mass is connected to two rods as shown in Fig. P-275. If the system is initially stress-free. Calculate the temperature change that will cause a tensile stress of 90 MPa in the brass rod. Assume that both rods are subjected to the change in temperature.
 

Solution to Problem 274 Thermal Stress

Problem 274
At what temperature will the aluminum and steel segments in Prob. 273 have numerically equal stress?
 

Solution to Problem 273 Thermal Stress

Problem 273
The composite bar shown in Fig. P-273 is firmly attached to unyielding supports. An axial force P = 50 kips is applied at 60°F. Compute the stress in each material at 120°F. Assume α = 6.5 × 10-6 in/(in·°F) for steel and 12.8 × 10-6 in/(in·°F) for aluminum.
 

Composite aluminum and steel bar

 

 
 
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