The composite bar is initially stress-free. Calculate the stress in each material and indicate tension or compression if the temperature has decreased to 25°C. Consider that the walls are unyielding and suitably braced to prevent buckling. Use 2 decimal places.

The composite bar is initially stress-free. Calculate the stress in each material and indicate tension or compression if the temperature has decreased to 25°C. Consider that the walls are unyielding and suitably braced to prevent buckling. Use 2 decimal places.

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter12: Composite Materials

Section: Chapter Questions

Problem 12.7P: Estimate the transverse tensile strength of the concrete in Problem 12.6.

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Question

SOLVE COMPLETELYINCLUDE FIGURES AND DIAGRAMS INCLUDE FORMULA

The composite bar is initially stress-free. Calculate the stress in each material and indicate
tension or compression if the temperature has decreased to 25°C. Consider that the walls are
unyielding and suitably braced to prevent buckling. Use 2 decimal places.
400 тm
500 тm
800 тm
Steel
Aluminum
Bronze
А — 1400 тт?
E = 70 GPa
a = 23 × 10-6/°C
A = 2000 mm²
E = 83 GPa
a = 19 × 10-6/°C
A
— 800 тm?
E
= 200 GPa
a = 11.7 x 10-6/°C

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