Tag Archives: fatigue performance

Effects of Sulfur and Overloads on the Fatigue Performance of Low-Alloy Steels

In earlier posts, the effect of sulfur on the fatigue performance of low-alloy steel was examined.  It was noted that sulfur is present as manganese sulfides in steels, and these sulfides are highly plastic at hot working temperatures.  During hot … Continue reading

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Effect of Overloads on Fatigue Performance

Strain-life fatigue data are most often developed under conditions of steady state constant amplitude. This provides a means of comparing the fatigue performance of various combinations of steel grade and processing. Many components, however, often experience random “spike” loads, or … Continue reading

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If Fatigue Data is Not Available, Is There a Means of Estimating Fatigue Performance?

Detailed fatigue data for a given combination of steel grade and processing offers the best means of determining fatigue performance when designing an automotive component.  However, in some instances, where only mechanical properties and hardness are available, methods have been … Continue reading

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