Brass (2) Aluminum (1) Brass (2) b d₂ d₁ d₂
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A composite beam is made of two brass [E = 97 GPa] plates bonded to an aluminum [E = 70 GPa] bar, as shown. The beam is subjected
to a bending moment of 2140 N-m acting about the z axis. Assume b=44 mm, d =50 mm, d =10 mm. Determine:
(a) the maximum bending stresses , in the brass plates and the aluminum bar.
(b) the stress in the brass at the joints where the two materials are bonded together.
![A composite beam is made of two brass [E = 97 GPa] plates bonded to an aluminum [E = 70 GPa] bar, as shown. The beam is subjected
to a bending moment of 2140 N-m acting about the z axis. Assume b=44 mm, d₁=50 mm, d₂=10 mm. Determine:
(a) the maximum bending stresses Obral 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.
Z
Brass (2)
Aluminum (1)
Brass (2)
Answers:
(a) Obr =
(b) Obrj
=
i
b
d₂
d₁
d₂
MPa, Gal = i
MPa.
MPa.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8b00a80b-0cea-48b5-891f-9a9beccbf082%2Fd8bfd01c-e345-4cfa-886a-ce79573e4fdc%2Flnns9vv_processed.png&w=3840&q=75)
Transcribed Image Text:A composite beam is made of two brass [E = 97 GPa] plates bonded to an aluminum [E = 70 GPa] bar, as shown. The beam is subjected
to a bending moment of 2140 N-m acting about the z axis. Assume b=44 mm, d₁=50 mm, d₂=10 mm. Determine:
(a) the maximum bending stresses Obral 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.
Z
Brass (2)
Aluminum (1)
Brass (2)
Answers:
(a) Obr =
(b) Obrj
=
i
b
d₂
d₁
d₂
MPa, Gal = i
MPa.
MPa.
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