A composite beam is made of two brass [E = 99 GPa] plates bonded to an aluminum [E = 72 GPa] bar, as shown. The beam is subjected to a bending moment of 2010 N-m acting about the z axis. Assume b-44 mm, d₁-37 mm, d₂-11 mm. Determine: (a) the maximum bending stresses Obr, al in the brass plates and the aluminum bar. (b) the stress in the brass brj at the joints where the two materials are bonded together. Brass (2) Aluminum (1) Brass (2) Answers: (a) Obr = (b) Obrj = y i b d₂ d₁ MPa, oal = MPa. MPa.
A composite beam is made of two brass [E = 99 GPa] plates bonded to an aluminum [E = 72 GPa] bar, as shown. The beam is subjected to a bending moment of 2010 N-m acting about the z axis. Assume b-44 mm, d₁-37 mm, d₂-11 mm. Determine: (a) the maximum bending stresses Obr, al in the brass plates and the aluminum bar. (b) the stress in the brass brj at the joints where the two materials are bonded together. Brass (2) Aluminum (1) Brass (2) Answers: (a) Obr = (b) Obrj = y i b d₂ d₁ MPa, oal = MPa. MPa.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![A composite beam is made of two brass [E = 99 GPa] plates bonded to an aluminum [E = 72 GPa] bar, as shown. The beam is subjected
to a bending moment of 2010 N-m acting about the z axis. Assume b-44 mm, d₁-37 mm, d₂-11 mm. Determine:
(a) the maximum bending stresses Obr, al in the brass plates and the aluminum bar.
(b) the stress in the brass brj at the joints where the two materials are bonded together.
Brass (2)
Aluminum (1)
Brass (2)
Answers:
(a) Obr =
(b) Obrj =
i
b
d₂
d₁
MPa, oal =
MPa.
MPa.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F501b886a-199d-44ac-9694-509b75152fed%2F3c078e5a-8940-4f88-95c3-5e7c260bba19%2Fyjvf5wl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A composite beam is made of two brass [E = 99 GPa] plates bonded to an aluminum [E = 72 GPa] bar, as shown. The beam is subjected
to a bending moment of 2010 N-m acting about the z axis. Assume b-44 mm, d₁-37 mm, d₂-11 mm. Determine:
(a) the maximum bending stresses Obr, al in the brass plates and the aluminum bar.
(b) the stress in the brass brj at the joints where the two materials are bonded together.
Brass (2)
Aluminum (1)
Brass (2)
Answers:
(a) Obr =
(b) Obrj =
i
b
d₂
d₁
MPa, oal =
MPa.
MPa.
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