THE INFLUENCE FOR AVERAGE STRESS EFFECT ON P-S-N CURVES OF 45 STEEL
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Abstract
The P-S-N curve of 45 steel is obtained by means of fatigue statistical experiment method,on the basis of experimental results,the reliability analysis for different mean stress is performed and the changeable regularity for mid-value S-N curve and P-S-N curve with 99.9% confidence level is discussed. Therefore the effect about mean stress can be considered in structure reliability design.
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