3. An uncold-worked brass specimen of average grain size 0.01 mm has a yield strength of 150 MPa (21,750 psi). Estimate the yield strength of this alloy after it has been heated to 500°C for 1000 s, if it is known that the value of σo is 25 MPa. (Note that the axis has logarithmic scale). Grain diameter (mm) (Logarithmic scale) 1.0 0.1 0.01 1 10 850°C 800°C 700°C 102 Time (min) (Logarithmic scale) 600°C 500°C 103 104
3. An uncold-worked brass specimen of average grain size 0.01 mm has a yield strength of 150 MPa (21,750 psi). Estimate the yield strength of this alloy after it has been heated to 500°C for 1000 s, if it is known that the value of σo is 25 MPa. (Note that the axis has logarithmic scale). Grain diameter (mm) (Logarithmic scale) 1.0 0.1 0.01 1 10 850°C 800°C 700°C 102 Time (min) (Logarithmic scale) 600°C 500°C 103 104
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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![3. An uncold-worked brass specimen of average grain size 0.01 mm has a yield strength of 150
MPa (21,750 psi). Estimate the yield strength of this alloy after it has been heated to 500°C for
1000 s, if it is known that the value of σo is 25 MPa. (Note that the axis has logarithmic scale).
Grain diameter (mm)
(Logarithmic scale)
1.0
0.1
0.01
1
10
850°C
800°C
700°C
102
Time (min)
(Logarithmic scale)
600°C
500°C
103
104](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F56f2bffd-1d3a-4b76-92a6-52fd8f44fbf4%2Fe4a55205-81cd-418e-9b99-3048067a6bc9%2Fbs56o5p_processed.png&w=3840&q=75)
Transcribed Image Text:3. An uncold-worked brass specimen of average grain size 0.01 mm has a yield strength of 150
MPa (21,750 psi). Estimate the yield strength of this alloy after it has been heated to 500°C for
1000 s, if it is known that the value of σo is 25 MPa. (Note that the axis has logarithmic scale).
Grain diameter (mm)
(Logarithmic scale)
1.0
0.1
0.01
1
10
850°C
800°C
700°C
102
Time (min)
(Logarithmic scale)
600°C
500°C
103
104
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