2.4-23 A trimetallic bar is uniformly compressed by an axial force P = 9 kips applied through a rigid end plate (see figure). The bar consists of a circular steel core surrounded by brass and copper tubes. The steel core has a diameter of l1.25 in., the brass tube has an outer diameter of 1.75 in., and the copper tube has an outer diameter of 2.25 in. The corresponding mod- uli of elasticity are E, = 30,000 ksi, E, = 16,000 ksi, and E. = 18,000 ksi. Calculate the compressive stresses o ,, O p, and o. in the steel, brass, and copper, respectively, due to the force P. %3| %3D Copper tube Brass tube P = 9 k Steel core 1.25 in. 1.75 in. 2.25 in.

2.4-23 A trimetallic bar is uniformly compressed by an axial force P = 9 kips applied through a rigid end plate (see figure). The bar consists of a circular steel core surrounded by brass and copper tubes. The steel core has a diameter of l1.25 in., the brass tube has an outer diameter of 1.75 in., and the copper tube has an outer diameter of 2.25 in. The corresponding mod- uli of elasticity are E, = 30,000 ksi, E, = 16,000 ksi, and E. = 18,000 ksi. Calculate the compressive stresses o ,, O p, and o. in the steel, brass, and copper, respectively, due to the force P. %3| %3D Copper tube Brass tube P = 9 k Steel core 1.25 in. 1.75 in. 2.25 in.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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2.4-23 A trimetallic bar is uniformly compressed
by an axial force P = 9 kips applied through a rigid
end plate (see figure). The bar consists of a circular
steel core surrounded by brass and copper tubes. The
steel core has a diameter of 1.25 in., the brass tube has
an outer diameter of 1.75 in., and the copper tube has
an outer diameter of 2.25 in. The corresponding mod-
uli of elasticity are E, = 30,000 ksi, E, = 16,000 ksi,
and E, = 18,000 ksi.
Calculate the compressive stresses o ,, O p,
in the steel, brass, and copper, respectively, due to
the force P.
and o c
Copper tube
Brass tube
P = 9 k
Steel core
1.25
in. 1
1.75
in.
2.25
in.
PROBLEM 2.4-23

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