Computer · Strength of Materials - Thermal Stresses
A composite bar is made of two concentric members: a solid circular bar and a circular tube. The coefficient of linear expansion of the bar is 2α and that of the tube is α. If both ends are rigidly connected, find the compressive/tensile force set up per unit temperature change (ΔT = 1). Let the cross-sectional areas be A1 and A2, and elastic moduli be E1 and E2 respectively.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13α(1E1A1 + 1E2A2)
- 21.5α(1E1A1 + 1E2A2)
- 32α(1E1A1 + 1E2A2)
- 4α(1E1A1 + 1E2A2)✓
Correct answer
α(1E1A1 + 1E2A2)
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