1.5-5 A wire of length L = 2.5 m and diameter d= 1.6 mm is stretched by tensile forces P = 600 N. The wire is made of a copper alloy having a stress-strain relationship that may be described mathematically by the following equation: %3D 124,020ɛ 0
1.5-5 A wire of length L = 2.5 m and diameter d= 1.6 mm is stretched by tensile forces P = 600 N. The wire is made of a copper alloy having a stress-strain relationship that may be described mathematically by the following equation: %3D 124,020ɛ 0
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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
Transcribed Image Text:1.5-5 A wire of length L = 2.5 m and diameter d = 1.6 mm
is stretched by tensile forces P = 600 N. The wire is made of
a copper alloy having a stress-strain relationship that may be
described mathematically by the following equation:
124,020€
0 < e< 0.03
( σMPa)
1 + 300ɛ
in which e is nondimensional and o has units of MPa.
(a) Construct a stress-strain diagram for the material.
(b) Determine the elongation of the wire due to the
forces P.
(c) If the forces are removed, what is the permanent
set of the bar?
(d) If the forces are applied again, what is the propor-
tional limit?
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