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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

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
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
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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