ASTM E739 PDF
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Standard Practice for Statistical Analysis of Linear or Linearized Stress-Life (S-N) and Strain-Life (epsilon-N) Fatigue Data
| Published by | Publication Date | Number of Pages |
| ASTM | 10/01/2015 | 7 |
ASTM E739 – Standard Practice for Statistical Analysis of Linear or Linearized Stress-Life (S-N) and Strain-Life (epsilon-N) Fatigue Data
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.
Product Details
- Published:
- 10/01/2015
- Number of Pages:
- 7
- File Size:
- 1 file , 160 KB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
