At room temperature (20C), a 0.5-mm gap exists between the ends of the rods shown. The...

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At room temperature (20°C), a 0.5-mm gap exists between the ends of the rods shown. The temperature eventually reaches a value of 140°C. 300 mm Aluminum A = 2000 mm² E = 75 GPa a = 23 x 10-6/°C 0.5 mm - 250 mm Stainless steel A = 800 mm² B E = 190 GPa a = 17.3 x 10-6/°℃ Determine the normal stress in the aluminum rod. The normal stress in the aluminum rod is MPa. At room temperature (20°C), a 0.5-mm gap exists between the ends of the rods shown. The temperature eventually reaches a value of 140°C. 300 mm Aluminum A = 2000 mm² E = 75 GPa a = 23 x 10-6/°C 0.5 mm - 250 mm Stainless steel A = 800 mm² B E = 190 GPa a = 17.3 x 10-6/°℃ Determine the normal stress in the aluminum rod. The normal stress in the aluminum rod is MPa.

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Answer I Thermal stress ... View the full answer