A 8-mm-thick rectangular alloy bar is subjected to a tensile load P by pins at A and B, as shown in the figure. The width of the bar is w = 35 mm. Strain gages bonded to the specimen measure the following strains in the longitudinal (x) and transverse (y) directions: & = 740 με and ε,- -270 με. (a) Determine Poisson's ratio for this specimen. (b) If the measured strains were produced by an axial load of P = 16 kN, what is the modulus of elasticity for this specimen? P B Answers: (a) v= i (b) Е- i GPa
A 8-mm-thick rectangular alloy bar is subjected to a tensile load P by pins at A and B, as shown in the figure. The width of the bar is w = 35 mm. Strain gages bonded to the specimen measure the following strains in the longitudinal (x) and transverse (y) directions: & = 740 με and ε,- -270 με. (a) Determine Poisson's ratio for this specimen. (b) If the measured strains were produced by an axial load of P = 16 kN, what is the modulus of elasticity for this specimen? P B Answers: (a) v= i (b) Е- i GPa
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Transcribed Image Text:A 8-mm-thick rectangular alloy bar is subjected to a tensile load P by pins at A and B, as shown in the figure. The width of the bar is w =
35 mm. Strain gages bonded to the specimen measure the following strains in the longitudinal (x) and transverse (y) directions: & = 740
με and ε,- -270 με.
(a) Determine Poisson's ratio for this specimen.
(b) If the measured strains were produced by an axial load of P = 16 kN, what is the modulus of elasticity for this specimen?
P
B
Answers:
(a) v=
i
(b) Е-
i
GPa
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