8-14. A tension test was performed on an aluminum 2014-T6 alloy specimen. The resulting stress-strain diagram isshown in the figure. Estimate (a) the proportional limit, (b)the modulus of elasticity, and (c) the yield strength based ona 0.2% strain offset method.8-15. A tension test was performed on an aluminum 2014-T6 alloy specimen. The resulting stress-strain diagram isshown in the figure. Estimate (a) the modulus of resilience;and (b) modulus of toughness.σ (MPa)4904203502802101407000.080.02 0.04 0.060.100.002 0.004 0.006 0.008 0.010Probs. 8-14/15€ (mm/mm)

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8-14. A tension test was performed on an aluminum 2014- T6 alloy specimen. The resulting stress-strain diagram is shown in the figure. Estimate (a) the proportional limit, (b) the modulus of elasticity, and (c) the yield strength based on a 0.2% strain offset method.

8-14. A tension test was performed on an aluminum 2014- T6 alloy specimen. The resulting stress-strain diagram is shown in the figure. Estimate (a) the proportional limit, (b) the modulus of elasticity, and (c) the yield strength based on a 0.2% strain offset method.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.7.25P: On the surface of a structural component in a space vehicle, the strains arc monitored by means of...

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Question

8-14. A tension test was performed on an aluminum 2014-
T6 alloy specimen. The resulting stress-strain diagram is
shown in the figure. Estimate (a) the proportional limit, (b)
the modulus of elasticity, and (c) the yield strength based on
a 0.2% strain offset method.
8-15. A tension test was performed on an aluminum 2014-
T6 alloy specimen. The resulting stress-strain diagram is
shown in the figure. Estimate (a) the modulus of resilience;
and (b) modulus of toughness.
σ (MPa)
490
420
350
280
210
140
70
0
0.08
0.02 0.04 0.06
0.10
0.002 0.004 0.006 0.008 0.010
Probs. 8-14/15
€ (mm/mm)

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