A machine part has Sut=530 MPa, a fully corrected endurance strength of Se=210 MPa, and f=0.9. The part will first be in service at ±350 MPa for 5*103 cycles, before the loading is adjusted to ±260 MPa for a further 5*104 cycles. The load will then be changed one last time to +225 MPa. Estimate the remaining service life. Hint: Use Miner's Rule.
A machine part has Sut=530 MPa, a fully corrected endurance strength of Se=210 MPa, and f=0.9. The part will first be in service at ±350 MPa for 5*103 cycles, before the loading is adjusted to ±260 MPa for a further 5*104 cycles. The load will then be changed one last time to +225 MPa. Estimate the remaining service life. Hint: Use Miner's Rule.
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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