The composite bar shown is firmly attached to unyielding supports. An axial load P = 11.7 um/(m 243 kN is applied at 25 °C. Find the stress in each material at 65 °C. Assume a = °C) for steel and 23 um/(m-°C) for aluminum. Given: Ea 70 GPa, Aa = 975 mm?, La = 218 mm, Es = 195 GPa, As = 1,259 mm2, Ls = 339 mm. Answer must be in MPa. %3D %3D %3D Aluminum P. Steel La Ls

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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The composite bar shown is firmly attached to unyielding supports. An axial load P = 243
kN is applied at 25 °C. Find the stress in each material at 65 °C. Assume a = 11.7 µm/(m
•C) for steel and 23 um/(m-°C) for aluminum. Given: Ea = 70 GPa, Aa = 975 mm?, La =
218 mm, Es = 195 GPa, As = 1,259 mm2, Ls = 339 mm. Answer must be in MPa.
%3D
%3D
Aluminum
> P
Steel
La
Ls
Transcribed Image Text:The composite bar shown is firmly attached to unyielding supports. An axial load P = 243 kN is applied at 25 °C. Find the stress in each material at 65 °C. Assume a = 11.7 µm/(m •C) for steel and 23 um/(m-°C) for aluminum. Given: Ea = 70 GPa, Aa = 975 mm?, La = 218 mm, Es = 195 GPa, As = 1,259 mm2, Ls = 339 mm. Answer must be in MPa. %3D %3D Aluminum > P Steel La Ls
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