A composite beam is made of two brass [E = 119 GPa] plates bonded to an aluminum [E = 73 GPa] bar, as shown. The beam is subjected to a bending moment of 2320 N-m acting about the z axis. Assume b-72 mm, d₁-39 mm, d₂-12 mm. Determine: (a) the maximum bending stresses Obr. Gal in the brass plates and the aluminum bar. (b) the stress in the brass Obrj at the joints where the two materials are bonded together.
A composite beam is made of two brass [E = 119 GPa] plates bonded to an aluminum [E = 73 GPa] bar, as shown. The beam is subjected to a bending moment of 2320 N-m acting about the z axis. Assume b-72 mm, d₁-39 mm, d₂-12 mm. Determine: (a) the maximum bending stresses Obr. Gal in the brass plates and the aluminum bar. (b) the stress in the brass Obrj at the joints where the two materials are bonded together.
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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![A composite beam is made of two brass [E = 119 GPa] plates bonded to an aluminum [E = 73 GPa] bar, as shown. The beam is subjected
to a bending moment of 2320 N-m acting about the z axis. Assume b-72 mm, d₁-39 mm, d₂-12 mm. Determine:
(a) the maximum bending stresses Obr. Gal in the brass plates and the aluminum bar.
(b) the stress in the brass Obrj at the joints where the two materials are bonded together.
Brass (2)
Aluminum (1)
Brass (2)
Answers:
(a) Obr =
(b) Obrj =
i
i
b
d₂
d₁
d₂
MPa, Gal = i
MPa.
MPa.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F923867f8-b054-4549-afeb-ec94171bd3f3%2Fa2056fd4-f979-49e2-9c58-1ce52689f350%2F7k4x5yb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A composite beam is made of two brass [E = 119 GPa] plates bonded to an aluminum [E = 73 GPa] bar, as shown. The beam is subjected
to a bending moment of 2320 N-m acting about the z axis. Assume b-72 mm, d₁-39 mm, d₂-12 mm. Determine:
(a) the maximum bending stresses Obr. Gal in the brass plates and the aluminum bar.
(b) the stress in the brass Obrj at the joints where the two materials are bonded together.
Brass (2)
Aluminum (1)
Brass (2)
Answers:
(a) Obr =
(b) Obrj =
i
i
b
d₂
d₁
d₂
MPa, Gal = i
MPa.
MPa.
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