At a temperature of 60°F, a 0.04-in. gap exists between the ends of the two bars shown in the figure. Bar (1) is an aluminum alloy (E=10,000 ksi; v= 0.32; a = 12.5 x106/°F] bar with a width of 3 in. and a thickness of 0.75 in. Bar (2) is a stainless steel [E=28,000 ksi; v=0.12; a -9.6 x10-6/°F] bar with a width of 2 in. and a thickness of 0.75 in. The supports at A and C are rigid. Determine the normal stress in bar (1) at a temperature of 450°F (1) 3 in. 32 in. B 2 in. (2) 44 in. 0.04-in. gap

At a temperature of 60°F, a 0.04-in. gap exists between the ends of the two bars shown in the figure. Bar (1) is an aluminum alloy (E=10,000 ksi; v= 0.32; a = 12.5 x106/°F] bar with a width of 3 in. and a thickness of 0.75 in. Bar (2) is a stainless steel [E=28,000 ksi; v=0.12; a -9.6 x10-6/°F] bar with a width of 2 in. and a thickness of 0.75 in. The supports at A and C are rigid. Determine the normal stress in bar (1) at a temperature of 450°F (1) 3 in. 32 in. B 2 in. (2) 44 in. 0.04-in. gap

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter6: Introduction To Mechanical Properties

Section: Chapter Questions

Problem 5ETSQ

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At a temperature of 60°F, a 0.04 in. gap exists between the ends of the two bars shown in the figure. Bar (1) is an aluminum alloy [E=10000 ksi; v=0.32; a= 12.5 x10^-6/,°F] bar with a width of 3 in. and a thickness of 0.75 in. Bar (2) is a stainless steel [E= 28000 ksi; v=0.12; a=9.6x10^-6/°F] bar with a width of 2 in and a thickness of 0.75 in. The supports at A and C are rigid. Determine the normal stress in bar (1) at a temperature of 380°F. Answer in ksi
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