Use this plot to calculate the (a) Young's modulus, (b) yield strength, (c) ultimate tensile strength, (d) strain at fracture, and (e) % ductility (% elongation). 1000009000080000Stress vs. Strain (Al7075)70000600005000040000300002000010000000.020.040.060.080.10.120.140.160.18

(a) Young's Modulus (E): Young's modulus is the slope of the linear (initial) portion of the…

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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Given the stress strain curves of 4 samples containing different melanin compositions. The initial length of the models is 15 cm and their initial diameter is 10 mm. A. What is the modulus of elasticity of each of the curves? B. What will be the length of each material just before it breaks?
QUESTION 2' a) When a strain gauge is stretched under axial tension, its resistance varies with the imposed strain. A resistance bridge circuit is used to convert the resistance change into voltage as shown in Figure 2. i) Distinguish among stress and strain. ii) In Figure 2, the 120 22 strain gauge with a gauge factor of 2 is mounted on a rectangular steel bar (Em = 200 GPa, 3 cm wide and 1 cm high) and connected to bridge circuit with input voltage, E₁=5 V. If the voltmeter shows 1.25 mV, calculate the amount of tensile load applied to the steel bar. Gauge axis Figure 2 E Tensile loading 3cm 1 cm
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Calculate the young’s modulus from one of these two graphs?
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1 %AV l. 1:Y0 A docs.google.com/forms/d/e مختبر ميكانيك المواد Why used two equipment in shear force and bending moment experiment (one for ?S.F and the other to B.M) إجابتك What is the relationship between the ?distance from neutral axis and stress إجابتك Explain in steps with detail, how can find the ?Young's modulus for any unknown beam إجابتك What is the meaning of + S.F, -S.F, +B.M and ?- B.M إجابتك صفحة 4 من 5 II
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In a wire drawing process, the length of the wire at any instant is given by L(t) = L,(1+) where t is the time in minutes and L, is the initial length. The true strain rate at the end of 0.5 min (in min-!) is
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100000 90000 80000 Stress vs. Strain (Al7075) 70000 60000 50000 40000 30000 20000 10000 0 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18