An aluminum alloy [E = 72 GPa; ν = 0.33; α = 23.0 × 10–6/°C] plate is subjected to a tensile load P. The plate has a depth of d = 255 mm, a cross-sectional area of A = 6500 mm2, and a length of L = 4.6 m. The initial longitudinal normal strain in the plate is zero. After load P is applied and the temperature of the plate has been increased by ΔT = 68°C, the longitudinal normal strain in the plate is found to be 2570 με. Determine:(a) the magnitude of load P.(b) the change in plate depth Δd. An aluminum alloy [E = 72 GPa; v=0.33; a = 23.0 × 10-6/°C] plate is subjected to a tensile load P. The plate has a depth of d = 255 mm,a cross-sectional area of A = 6500 mm², and a length of L = 4.6 m. The initial longitudinal normal strain in the plate is zero. After load Pis applied and the temperature of the plate has been increased by AT = 68°C, the longitudinal normal strain in the plate is found to be2570 με. Determine:(a) the magnitude of load P.(b) the change in plate depth Ad.LAnswer:(a) P =i(b) Δd = iKNmm

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Answered: An aluminum alloy [E = 72 GPa; ν =…

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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An aluminum alloy [E = 72 GPa; ν = 0.33; α = 23.0 × 10^–6/°C] plate is subjected to a tensile load P. The plate has a depth of d = 255 mm, a cross-sectional area of A = 6500 mm², and a length of L = 4.6 m. The initial longitudinal normal strain in the plate is zero. After load P is applied and the temperature of the plate has been increased by ΔT = 68°C, the longitudinal normal strain in the plate is found to be 2570 με. Determine:

(a) the magnitude of load P.

(b) the change in plate depth Δd.

An aluminum alloy [E = 72 GPa; v=0.33; a = 23.0 × 10-6/°C] plate is subjected to a tensile load P. The plate has a depth of d = 255 mm,
a cross-sectional area of A = 6500 mm², and a length of L = 4.6 m. The initial longitudinal normal strain in the plate is zero. After load P
is applied and the temperature of the plate has been increased by AT = 68°C, the longitudinal normal strain in the plate is found to be
2570 με. Determine:
(a) the magnitude of load P.
(b) the change in plate depth Ad.
L
Answer:
(a) P =
i
(b) Δd = i
KN
mm

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