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At 130°C, a bronze hoop 20 mm thick whose inside diameter is 600 mm just fits snugly...

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Mechanical Engineering

At130°C, a bronze hoop 20 mm thick whose inside diameter is 600 mmjust fits snugly over a steel hoop 15 mm thick. Both hoops are 100mm wide. Compute the contact pressure between the hoops when thetemperature drops to 20°C. Neglect the possibility that the innerring may buckle. For steel, E = 200 GPa and α = 11.7μm/(m.°C). Forbronze, E = 83 GPa α = 19 μm/(m.°C)

At130°C, a bronze hoop 20 mm thick whose inside diameter is 600 mmjust fits snugly over a steel hoop 15 mm thick. Both hoops are 100mm wide. Compute the contact pressure between the hoops when thetemperature drops to 20°C. Neglect the possibility that the innerring may buckle. For steel, E = 200 GPa and α = 11.7μm/(m.°C). Forbronze, E = 83 GPa α = 19 μm/(m.°C)

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