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Statistical planning and evaluation of fatigue tests. A survey of recent results

✍ Scribed by W. Maennig

Publisher
Springer Netherlands
Year
1975
Tongue
English
Weight
427 KB
Volume
11
Category
Article
ISSN
1573-2673

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✦ Synopsis

The great scatter of fatigue test results demands special planning and evaluation. A development of the W6hler diagram is presented which splits up the fatigue ranges into ones of finite endurance, transition and infinite endurance. The two types of the W6hler diagram with this conception are shown. Reasons are given why ranges rather than distinct divisions should be defined. The favorable values of probability of fracture Pr are discussed. Experiences with the mathematical functions are reported. For the transition range the classical evaluation is explained; the boundary technique is recommended, and the staircase method and the Prot and the Locati methods are not recommended. Some recommendations are given for planning tests expected to lie within the range of finite fatigue life.

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