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)
