A bimetallic beam used in a temperature-control switch consists of strips of aluminum and coppe bonded together as shown in the figure, which is a cross-sectional view. The width of the beam i 1.0 in., and each strip has a thickness of 1/16 in. Under the action of a bending moment M =22.5 Ib-in. acting about the z axis, what are the maximum stresses oą and o, in the aluminum and copper, respectively? (Assume Ea = 10.5 x %3D 106 psi and E. = 16.8x 106 psi .) %3D

Elements Of Electromagnetics
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M=22.5 ib-in

A bimetallic beam used in a temperature-control switch consists of strips of aluminum and copper
bonded together as shown in the figure, which is a cross-sectional view. The width of the beam is
1.0 in., and each strip has a thickness of 1/16 in.
Under the action of a bending moment M =22.5 |b-in. acting about the z axis, what are the
maximum stresses oą and o, in the aluminum and copper, respectively? (Assume Ea = 10.5 x
106 psi and E. = 16.8x 106 psi .)
in.
16
1.0 in.
in.
16
Transcribed Image Text:A bimetallic beam used in a temperature-control switch consists of strips of aluminum and copper bonded together as shown in the figure, which is a cross-sectional view. The width of the beam is 1.0 in., and each strip has a thickness of 1/16 in. Under the action of a bending moment M =22.5 |b-in. acting about the z axis, what are the maximum stresses oą and o, in the aluminum and copper, respectively? (Assume Ea = 10.5 x 106 psi and E. = 16.8x 106 psi .) in. 16 1.0 in. in. 16
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