A composite beam is made of two brass [E = 98 GPa] plates bonded to an aluminum [E = 64 GPa] bar, as shown. The beam is subjected to a bending moment of 1560 N-m acting about the z axis. If the moment of inertia about the z axis of the equivalent all-aluminum beam is 737760 mm4, find the maximum bending stress in the aluminum plate. Brass Aluminum Brass 50 mm 10 mm 30 mm 10 mm

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A composite beam is made of two brass [E = 98 GPa] plates bonded to an aluminum [E = 64 GPa] bar, as shown. The beam is subjected
to a bending moment of 1560 N-m acting about the z axis. If the moment of inertia about the z axis of the equivalent all-aluminum beam
is 737760 mm 4, find the maximum bending stress in the aluminum plate.
Brass
Aluminum
Brass
O 43.0 MPa
O 37.6 MPa
O 23.5 MPa
O 31.7 MPa
O 34.3 MPa
50 mm
10 mm
30 mm
10 mm
Transcribed Image Text:A composite beam is made of two brass [E = 98 GPa] plates bonded to an aluminum [E = 64 GPa] bar, as shown. The beam is subjected to a bending moment of 1560 N-m acting about the z axis. If the moment of inertia about the z axis of the equivalent all-aluminum beam is 737760 mm 4, find the maximum bending stress in the aluminum plate. Brass Aluminum Brass O 43.0 MPa O 37.6 MPa O 23.5 MPa O 31.7 MPa O 34.3 MPa 50 mm 10 mm 30 mm 10 mm
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