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€ 1 + 300€ 0 ≤ ≤ 0.03 (o = MPa) in which 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?

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€ 1 + 300€ 0 ≤ ≤ 0.03 (o = MPa) in which 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?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

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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€
1 + 300€
0 ≤ ≤ 0.03 (o = MPa)
in which is nondimensional and o has units of MPa.
E
(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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