conpound bar is constructed from threa barg 50 mm wida by 10 mm thick fastened together to form a bar 50 mm wide by 30 mm thick. The middle bar is of Alumioum alloy for which E = 70 GN / m ^ 2 and the outside bars are of brass with E = 100 GN / m ^ 2, If the bars are Initially fastened at 18 ° C and the Temperature of the whole assembly is then raised to 50 ° C, determine the stresses set up in the brass and the Aluminum. α (B) = 18 x per ° C and α (Al) = 22 x per "C. (b) What will be tho changes in these stresses if an extemal compressive load of 10 kN is applied to the compound bar at the higher Temperature?

conpound bar is constructed from threa barg 50 mm wida by 10 mm thick fastened together to form a bar 50 mm wide by 30 mm thick. The middle bar is of Alumioum alloy for which E = 70 GN / m ^ 2 and the outside bars are of brass with E = 100 GN / m ^ 2, If the bars are Initially fastened at 18 ° C and the Temperature of the whole assembly is then raised to 50 ° C, determine the stresses set up in the brass and the Aluminum. α (B) = 18 x per ° C and α (Al) = 22 x per "C. (b) What will be tho changes in these stresses if an extemal compressive load of 10 kN is applied to the compound bar at the higher Temperature?

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.5.1P: The rails of a railroad track are welded together at their ends (to form continuous rails and thus...

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