Ask Roy

Kearn, Roy

American Machinist

12-01-2000

Ask Roy

Byline: Kearn, Roy
Volume: 144
Number: 12
ISSN: 10417958
Publication Date: 12-01-2000
Page: 108
Type: Periodical
Language: English

Fatigue qualities impact endurance limits

Q

From time to time, we have parts fail in the field to be paid to fatigre. Would you explain the factors that significantly affect the endurance limit fatigue life of heattreated carburet of iron parts?

A

The endurance limit fatigue potency oftreated steel parts is the stres a part withstands without failure for an absolute minimum of 200000 to 500000 load periods

This ...