The results of a temperature jump test are shown below. At one hour, the temperature was suddenly increased from 950 K to 1000 K while holding the stress constant at 100 MPa. 30) Estimate the activation energy, Q, in the equation È = A o" ert R is the universal gas constant R = 8.31 J/(mole K) 0.004 0.0035 T= 1000 K 0.003 0.0025 0.002 0.0015 T= 950 K 0.001 0.0005 1000 2000 3000 4000 5000 6000 Time (s) Strain

Elements Of Electromagnetics
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The results of a temperature jump test are shown below. At one hour, the temperature was
suddenly increased from 950 K to 1000 K while holding the stress constant at 100 MPa.
30) Estimate the activation energy, Q, in the equation
E = A o" erT
R is the universal gas constant R = 8.31 J/(mole K)
0.004
0.0035
T= 1000 K
0.003
0.0025
0.002
0.0015
T= 950 K
0.001
0.0005
1000
2000
3000
4000
5000
6000
Time (s)
Strain
Transcribed Image Text:The results of a temperature jump test are shown below. At one hour, the temperature was suddenly increased from 950 K to 1000 K while holding the stress constant at 100 MPa. 30) Estimate the activation energy, Q, in the equation E = A o" erT R is the universal gas constant R = 8.31 J/(mole K) 0.004 0.0035 T= 1000 K 0.003 0.0025 0.002 0.0015 T= 950 K 0.001 0.0005 1000 2000 3000 4000 5000 6000 Time (s) Strain
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