Answered: 3. A cylindrical specimen of…

3. A cylindrical specimen of cold-worked copper has a ductility, %EL. If its cold-worked radius is d, what was its radius before deformation? Use %EL = 25%; d=10mm

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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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

3. A cylindrical specimen of cold-worked copper has a ductility, %EL. If its cold-worked
radius is d, what was its radius before deformation?
Use %EL=25%; d = 10mm
Ductility (%EL)
70
60
50
40
30
20
Brass
1040 Steel
10
Copper
0
0
10
110
20
30 40 50
60
70
Percent cold work

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Step 1: Percentage cold work of copper at 25% of ductility:

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Step 2: Calculation of radius before the deformation

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