A composite bar is made up by connecting a steel member and a copper member rigidly fixed
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A composite bar is made up by connecting a steel member and a copper member rigidly fixed at their ends.
The cross-sectional area of steel member is A cm^2 while that of the copper member is 2A cm^2 for half the length and A cm^2 for the other half of the length. the coefficient of expansion of steel and copper are α and1.25α respectively while the elastic moduli are e and 0.5E respectively. Estimate the stress induced inmembers due to temperature rise of T degrees. (Ans 0.1 E α T in both members).
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