10. As shown in the figure, there is a gap between the aluminum bar and the rigid slab that is supported by two copper bars. At 10°C, A = 0.17 mm. Neglecting the mass of the slab, calculate the stress in each rod when the temperature in the assembly is increased to 85.6°C. For each copper bar, A= 500 mm2 , E = 120 GPa, and a = 16.8 um/(m-°C). For the aluminum bar, A = 400 mm2 , E = 70 GPa, and a = 23.1 µm/(m•°C). Copper Aluminum Copper 750 mm

10. As shown in the figure, there is a gap between the aluminum bar and the rigid slab that is supported by two copper bars. At 10°C, A = 0.17 mm. Neglecting the mass of the slab, calculate the stress in each rod when the temperature in the assembly is increased to 85.6°C. For each copper bar, A= 500 mm2 , E = 120 GPa, and a = 16.8 um/(m-°C). For the aluminum bar, A = 400 mm2 , E = 70 GPa, and a = 23.1 µm/(m•°C). Copper Aluminum Copper 750 mm

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter9: Time, Temperature, And Mechanical Properties

Section: Chapter Questions

Problem 9.3P

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