Calculate Thermal Stress Assignment Help

Assignment Help: >> Thermal Stress - Calculate Thermal Stress

Calculate Thermal Stress:

Example:  The given carbon steel bar constrained at both ends and what is the thermal stress while heated from 60°F to 540°F?

Solution:

α  =     5.8 x 10-6/°F (from Table 1)

E  =     3.0 x 107  lb/in.2  (from Table 1 and Module 2)

T  =    540°F - 60°F = 480°F

Stress = F/A = Eα?T = (3.0 x 107 lb/in.2) x (5.8 x 10-6/°F) x 480°F

Thermal stress = 8.4 x 104 lb/in.2 (that is higher than the yield point)

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