(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.

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Concept explainers

Thermal Properties of Materials

In mechanical engineering, the thermal property is represented as the physical quantity that is relevant to the application of heat. The thermal properties are evaluated by variations in any specific material due to low heat or high heat. The quantities that influence the thermal property of the materials are mass, density, temperature, and many others.

Question

(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

QI (a)
A tensile stress is to be applied along the axis of a cylindrical steel rod that has a
diameter of 7.5 mm. Given the Poisson's ratio, v is 0.30 and the modulus of
elasticity, E of the steel is 207 GPa.
Determine the magnitude of the load required to produce a 2.5 x10³ mm change
in diameter if the deformation is entirely elastic.
(b) Referring to the tensile test data tabulated in Table 1, answer the following
questions:
i.
Select with justification the material that will experience the greatest
percent reduction in area.
ii.
Select with justification which material is the strongest.
Table 1. Tensile stress-strain data for several hypothetical metals
Material
Yield
Tensile
Strain at
Fracture
Elastic
Strength
Strength
Fracture
Strength Modulus
(МРа)
(MPa)
(MPa)
(GPa)
A
310
340
0.23
265
210
100
120
0.40
105
150
C
415
550
0.15
500
310
D
700
850
0.14
720
210
E
Fracture before yielding
650
350

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