The creep rate & is the time rate at which strain increases, and stress (0) data below were obtained from a testing procedure. Using a power law curve fit, ε = Bom Hint: let y = &; a₂ = B; x = 0;m = B₂ Creep rate, min-¹ 0.0004 Stress, MPa 5.775 0.0011 8.577 0.0021 0.0031 10.874 12.555 a. Find the value of B and m and give the power equation: ε = Bom
The creep rate & is the time rate at which strain increases, and stress (0) data below were obtained from a testing procedure. Using a power law curve fit, ε = Bom Hint: let y = &; a₂ = B; x = 0;m = B₂ Creep rate, min-¹ 0.0004 Stress, MPa 5.775 0.0011 8.577 0.0021 0.0031 10.874 12.555 a. Find the value of B and m and give the power equation: ε = Bom
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Please maintain 4 decimal places.
Transcribed Image Text:Linearization
The creep rate & is the time rate at which strain increases, and
stress (0) data below were obtained from a testing procedure.
Using a power law curve fit,
ε = Bom
Hint: let y = &; α₂ = B; x = 0; m = B₂
Creep rate, min¹
Stress, MPa
0.0004 0.0011 0.0021
5.775
8.577
10.874
0.0031
12.555
a. Find the value of B and m and give the power equation:
ε = Bom
log y
(b)
Linearization
y = a
Slope = B₂
L
log x
Intercept log a₂
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