The following data were collected from a test specimen of cold-rolled and annealed brass. Thespecimen had an initial gage length 10 of 35 mm and an initial cross-sectional area A0 of 10.5 mm2.Load, NElongation, mmLoad, NElongation Al, mm0.000013505.55660.011217208.151770.0157222013.073270.01992690 (maximum load)22.774620.0240241025.25 (fracture)7971.72(a) Plot the engineering stress-strain curve and the true stress-strain curve. Use a software graphingPackage.(b) Calculate the 0.2% offset yield strength; Calculate the tensile strength; Calculate the elastic modulususing a linear fit to the appropriate data.(c) Can you use the equations that calculate the true stresses and true strains beyond the ultimate tensilestrength? Why? If the true stress-strain data were known past the point of necking, what might the curvelook like?

The following data were collected from a test specimen of cold-rolled and annealed brass. The specimen had an initial gage length 10 of 35 mm and an initial cross-sectional area A0 of 10.5 1 Load, N Elongation, mm Load, N Elongation Al, mn 5.55 0.0000 1350 66 0.0112 1720 8.15 177 0.0157 2220 13.07 327 0.0199 2690 (maximum load) 22.77 462 0.0240 2410 25.25 (fracture) 797 1.72

The following data were collected from a test specimen of cold-rolled and annealed brass. The specimen had an initial gage length 10 of 35 mm and an initial cross-sectional area A0 of 10.5 1 Load, N Elongation, mm Load, N Elongation Al, mn 5.55 0.0000 1350 66 0.0112 1720 8.15 177 0.0157 2220 13.07 327 0.0199 2690 (maximum load) 22.77 462 0.0240 2410 25.25 (fracture) 797 1.72

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

The following data were collected from a test specimen of cold-rolled and annealed brass. The
specimen had an initial gage length 10 of 35 mm and an initial cross-sectional area A0 of 10.5 mm2.
Load, N
Elongation, mm
Load, N
Elongation Al, mm
0.0000
1350
5.55
66
0.0112
1720
8.15
177
0.0157
2220
13.07
327
0.0199
2690 (maximum load)
22.77
462
0.0240
2410
25.25 (fracture)
797
1.72
(a) Plot the engineering stress-strain curve and the true stress-strain curve. Use a software graphing
Package.
(b) Calculate the 0.2% offset yield strength; Calculate the tensile strength; Calculate the elastic modulus
using a linear fit to the appropriate data.
(c) Can you use the equations that calculate the true stresses and true strains beyond the ultimate tensile
strength? Why? If the true stress-strain data were known past the point of necking, what might the curve
look like?

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