# composite bar

## Solution to Problem 275 Thermal Stress

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## Solution to Problem 274 Thermal Stress

**Problem 274**

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

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## 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.

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