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ASTM E739-91(1998)

Historical Reaffirmation

Standard Guide for Statistical Analysis of Linear or Linearized Stress-Life (<emph type="bdit">S-N</emph>) and Strain-Life (ε-<emph type="bdit" >N</emph>) Fatigue Data (Withdrawn 2024)

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1.1 This practice pertains only to S-N and e-N relationships that may be reasonably approximated by a straight line (on appropriate coordinates) for a specific interval of stress or strain. It presents elementary procedures that presently reflect good practice in modeling and analysis. However, because the actual S-N or e-N relationship is approximated by a straight line only within a specific interval of stress or strain, and because the actual fatigue life distribution is unknown, it is not recommended that (a) the S-N or e-N curve be extrapolated outside the interval of testing, or (b) the fatigue life at a specific stress or strain amplitude be estimated below approximately the fifth percentile (P [similar] 0.05). As alternative fatigue models and statistical analyses are continually being developed, later revisions of this practice may subsequently present analyses that permit more complete interpretation of S-N and e-N data.


SDO ASTM: ASTM International
Document Number E739
Publication Date April 10, 1998
Language en - English
Page Count 7
Revision Level 91(1998)
Supercedes
Committee E08.04
Publish Date Document Id Type View
Feb. 1, 2023 E0739-23 Revision
Nov. 1, 2010 E0739-10 Revision
May 1, 2006 E0739-91R04E01 Revision
Oct. 1, 2015 E0739-10R15 Reaffirmation
May 1, 2004 E0739-91R04 Reaffirmation
April 10, 1998 E0739-91R98 Reaffirmation