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Materials Science And Engineering Properties

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter9: Time, Temperature, And Mechanical Properties

Section: Chapter Questions

Problem 9.3P

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Question

A 5-mm-thick rectangular alloy bar is subjected to ajtensile load P by pins at A and B, as shown in the figure. The width of the bar is w =
33 mm. Strain gages bonded to the specimen measure the following strains in the longitudinal (x) and transverse (y) directions: €, =710
με and ε,--255 με
(a) Determine Poisson's ratio for this specimen.
(b) If the measured strains were produced by an axial load of P = 24 kN, what is the modulus of elasticity for this specimen?
Answers:
(a) v=
(b) E=
GPa

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