QUESTION 16 The minimum number of cycles to failure versus stress (S-N curve) of an outer guide vane (OGV) is given by log10(N) = - In {(oxouts -1 - 0.35)/0.65}, where Nf is the number of cycles to failure at stress level o (MPa) and outs = 419 MPa. The component has logged 1000 cycles at 156 MPa and 10,000 cycles at 147 MPa. Determine the percentage of the component life that has been used.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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QUESTION 16
The minimum number of cycles to failure versus stress (S-N curve) of an outer guide vane (OGV) is given by log10(Nf) = - In
{(oxouts- 0.35)/0.65}, where Nf is the number of cycles to failure at stress level o (MPa) and outs = 419 MPa. The
component has logged 1000 cycles at 156 MPa and 10,000 cycles at 147 MPa. Determine the percentage of the component
life that has been used.
%3D
Transcribed Image Text:QUESTION 16 The minimum number of cycles to failure versus stress (S-N curve) of an outer guide vane (OGV) is given by log10(Nf) = - In {(oxouts- 0.35)/0.65}, where Nf is the number of cycles to failure at stress level o (MPa) and outs = 419 MPa. The component has logged 1000 cycles at 156 MPa and 10,000 cycles at 147 MPa. Determine the percentage of the component life that has been used. %3D
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