Frequency effect in the fatigue of the aluminum alloy D16T at elevated temperatures and with local stress concentration

Karlashov, A. V.; Tokarev, V. P.; Сазонов, В В

doi:10.1007/bf00715613

Cited by 2 publications

(1 citation statement)

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“…Thus, accelerated testing methods with high frequency such as ultrasonic load are widely used to study the fatigue behavior of materials. However, the comparison of high frequency and conventional load experiments has been studied by many authors from the early years of 1980s [17]. Bathias and Paris [18] pointed that these experimental results for high frequency load case had to be carefully considered, due to the difficulties to control a high frequency machine and an insufficient cooling of the specimens.…”

Section: Introductionmentioning

confidence: 99%

Notice of Retraction: Load frequency effect on gigacycle fatigue properties of superalloy inconel 718

Duan

Shi

2010

2010 2nd International Conference on Computer Engineering and Technology

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Fatigue behaviors of the superalloy inconel 718 under gigacycle regime with load frequencies of 52.5 Hz and 20 kHz were investigated in this paper. The results indicated that there are gigacycle fatigue failure behaviors for this material. On the one hand, some specimens were submitted to conventional rotating bending experiments with a frequency of 52.5 Hz. On the other hand some were submitted to 20 kHz ultrasonic loading experiments. Apparently, different S-N curves could be observed for both experiments. The fracture photographs through SEM were compared and the effects of the frequency on the fracture mechanism were analyzed.

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Section: Introductionmentioning

confidence: 99%