Aussagen der instrumentierten Schwingprüfung zur Dauerfestigkeit unlegierter Stähle |
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Authors: | L. Dorn,A. Jü ch,P. Rippl |
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Abstract: | Evidence of the Instrumented Fatigue Test for Fatigue Strength of Structural Steel In the instrumented fatigue test the measurement of the frequency of loading and the power absorption of the resonance endurancetesting machine with electromagnetic energization discovery the rate of damage of the specimen. The energy and the energy gradient per cycle are especially suitable for characterize the fatigue life of the specimen. Rapid methods for evaluation fatigue strength are developed constructive on the results of experiments of fatigue tests in one load stage. The rapid methods are tested with cylindrical specimen (St 52-3) and spot weldings (St 1203). The results of measurement indicate a certain possibility of evaluation fatigue strength. |
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