(c)A cylindrical metal specimen having an original diameter of 12.5 mm and gaugelength of 50.00 mm is pulled in tension until fracture occurs. The diameter at thepoint of fracture is 8.00 mm, and the fractured gauge length is 75.00 mm.Calculate the ductility in terms of percent reduction in area.(d) Compare the following attributes combination for two different metal alloys byusing a simple plot sketches on a single stress versus strain diagram.i.Metal A: High strength, high stiffness, no ductilityii.Metal B: High strength, moderate stiffness, high ductility QI (a)A tensile stress is to be applied along the axis of a cylindrical steel rod that has adiameter of 7.5 mm. Given the Poisson's ratio, v is 0.30 and the modulus ofelasticity, E of the steel is 207 GPa.Determine the magnitude of the load required to produce a 2.5 x10³ mm changein diameter if the deformation is entirely elastic.(b) Referring to the tensile test data tabulated in Table 1, answer the followingquestions:i.Select with justification the material that will experience the greatestpercent reduction in area.ii.Select with justification which material is the strongest.Table 1. Tensile stress-strain data for several hypothetical metalsMaterialYieldTensileStrain atFractureElasticStrengthStrengthFractureStrength Modulus(МРа)(MPa)(MPa)(GPa)A3103400.232652101001200.40105150C4155500.15500310D7008500.14720210EFracture before yielding650350

C) The property of the material to change its shape but without losing its properties such as…

(c) A cylindrical metal specimen having an original diameter of 12.5 mm and gauge length of 50.00 mm is pulled in tension until fracture occurs. The diameter at the point of fracture is 8.00 mm, and the fractured gauge length is 75.00 mm. Calculate the ductility in terms of percent reduction in area. (d) Compare the following attributes combination for two different metal alloys by using a simple plot sketches on a single stress versus strain diagram. i. Metal A: High strength, high stiffness, no ductility ii. Metal B: High strength, moderate stiffness, high ductility

(c) A cylindrical metal specimen having an original diameter of 12.5 mm and gauge length of 50.00 mm is pulled in tension until fracture occurs. The diameter at the point of fracture is 8.00 mm, and the fractured gauge length is 75.00 mm. Calculate the ductility in terms of percent reduction in area. (d) Compare the following attributes combination for two different metal alloys by using a simple plot sketches on a single stress versus strain diagram. i. Metal A: High strength, high stiffness, no ductility ii. Metal B: High strength, moderate stiffness, high ductility

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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A tensile test was conducted on a mild steel& the following data was obtained as follows. Diameter of the steel bar = 3 cm,Gauge length of the bar = 20 cm. Load at elastic limit = 250 kN . Extension at a load of 150kN = 0.21 mm . Maximum load = 380 kN . Total extension = 60 mm . Diameter of the rod at failure = 2. 25 cm Determine: (a) Young’s modulus (b) stress at elastic limit (c)the percentage of elongation (d) Percentage decrease in area.
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