Part D-Permanent elongation of the specimenif the specimen is loaded until its nominal stress value reaches 65 ksi, determine the increase in gauge longth after it is unloaded. The strain at 65 ksi is 06 in. /in.Express your answer to four significant figures and include the appropriate units.▸ View Available Hint(s)Permanent elongation 6Submit Previous Answers Request Answer%?

Part D-Permanent elongation of the specimen if the specimen is loaded until its nominal stress value reaches 65 ksi, determine the increase in gauge length after it is unloaded. The strain at 65 ksis 06 in. fin. Express your answer to four significant figures and include the appropriate units. View Available Hint(s) Permanent elongation=6 → % ?

Part D-Permanent elongation of the specimen if the specimen is loaded until its nominal stress value reaches 65 ksi, determine the increase in gauge length after it is unloaded. The strain at 65 ksis 06 in. fin. Express your answer to four significant figures and include the appropriate units. View Available Hint(s) Permanent elongation=6 → % ?

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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Question 4 Save Answer You do a series of tensile tests on plates of a magnesium alloy that have been subjected to prior cold rolling to true plastic strains of 0.1, 0.2 and 0.3. The resulting true stress-true strain curves are shown below (including a zoomed in version expanding on the small strain region). It is reasonable to approximate the the 0.2% offset yield strength of the magnesium as ✓ MPa for 0.2 and ✓ MPa for 0.3. Assuming the yield strength is ✓ MPa for 0.1 plastic strain, proportional to the square root of the prior true plastic strain results in a hardening coefficient of approximately k= MPa. Hence, we can predict that we need a prior plastic strain of approximately True Stress (MPa) True Stress (MPa) True Stress (MPa) 250 200 150 100 50 0 0.00 250 200 150 100 50 0 0.00 250 200 150 100 50 0 0.00 Ep = 0.1 0.01 Ep=0.2 0.01 Ep=0.3 0.01 0.02 True Strain 0.02 0.03 0.02 0.03 True Strain 0.03 0.04 0.04 0.04 True Stress (MPa) 0.05 0.000 0.001 True Stress (MPa) Ep=0.1 True…
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The results of a tensile test are: Diameter of the specimen Gauge length Load at limit of Proportionality Extension at the limit of Proportionality Maximum Load : 10mm :40 mm :80kN : 0.06mm. :100 kN Calculate ultimate tensile stress and young's modulus.
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