A composite bar is made by connecting a steel bar with a length of Lst = 300 mm and an brass bar with a length of Lpr= 300 mm as shown. If the composite bar just fits between the supports when the temperature is 15 °C, determine the magnitude of the axial force in the composite bar when the temperature is 42 °C. Express your answer in kN to the nearest 100 N. %3D Brass Steel Epr = 100 GPa Eg = 200 GPa ag = 12(10¬6)/°C Ag = 200 mm² %3D apr = 21(10-6)/°C Abr = 450 mm² %3D %3D Lor

A composite bar is made by connecting a steel bar with a length of Lst = 300 mm and an brass bar with a length of Lpr= 300 mm as shown. If the composite bar just fits between the supports when the temperature is 15 °C, determine the magnitude of the axial force in the composite bar when the temperature is 42 °C. Express your answer in kN to the nearest 100 N. %3D Brass Steel Epr = 100 GPa Eg = 200 GPa ag = 12(10¬6)/°C Ag = 200 mm² %3D apr = 21(10-6)/°C Abr = 450 mm² %3D %3D Lor

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter6: Introduction To Mechanical Properties

Section: Chapter Questions

Problem 8ETSQ

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Question

A composite bar is made by connecting a steel bar with a length of Lst = 300 mm and an brass bar
with a length of Lpr= 300 mm as shown. If the composite bar just fits between the supports when
the temperature is 15 °C, determine the magnitude of the axial force in the composite bar when the
temperature is 42 °C. Express your answer in kN to the nearest 100 N.
%3D
Brass
Steel
Epr = 100 GPa
Eg = 200 GPa
ag = 12(10¬6)/°C
Ag = 200 mm²
%3D
apr = 21(10-6)/°C
Abr = 450 mm²
%3D
%3D
Lor

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