ASTM-E739 2004

$40.63

E739-91(2004) Standard Practice for Statistical Analysis of Linear or Linearized Stress-Life (S-N) and Strain-Life (ε-N) Fatigue Data

Published By	Publication Date	Number of Pages
ASTM	2004	7

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Description

ASTM E739-91-Reapproved2004

Historical Standard: Standard Practice for Statistical Analysis of Linear or Linearized Stress-Life (S-N) and Strain-Life (ε-N) Fatigue Data

ASTM E739

Scope

1.1 This practice covers only S-N and ε-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 ε-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 ε-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 ≅ 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 ε-N data.

Keywords

statistical analysis; linear; linearized; stress-life; strain-life; fatigue

ICS Code

ICS Number Code n/a

DOI: 10.1520/E0739-91R04

Additional information

Standard Title	E739-91(2004) Standard Practice for Statistical Analysis of Linear or Linearized Stress-Life (<i>S-N</i>) and Strain-Life (ε-<i>N</i>) Fatigue Data
Published Code	ASTM
Publication Date	2004
Pages Count	7