Effect of low-frequency on fatigue behaviour of austenitic steel AISI 304 at room temperature and 25 °C

The frequency influence on the isothermal fatigue behaviour of austenitic stainless steel AISI 304 was investigated. Pull–push fatigue experiments were performed under anisothermal and isothermal (at 25 °C) conditions. Frequencies between 0.05 Hz and 10 Hz were systematically investigated. It was fo...

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Bibliographic Details
Published in:International journal of fatigue 2008-10, Vol.30 (10), p.2044-2049
Main Authors: Nikitin, I., Besel, M.
Format: Article
Language:English
Subjects:
Applied sciences
Austenitic steel
Deep rolling
Exact sciences and technology
Fatigue
Frequency
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
Residual stress relaxation
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Description
Summary:The frequency influence on the isothermal fatigue behaviour of austenitic stainless steel AISI 304 was investigated. Pull–push fatigue experiments were performed under anisothermal and isothermal (at 25 °C) conditions. Frequencies between 0.05 Hz and 10 Hz were systematically investigated. It was found that high frequencies in combination with high stress levels result in a temperature increase of the fatigued specimen (anisothermal condition). Therefore nitrogen gas evaporating from liquid nitrogen was used as coolant to realise an isothermal fatigue experiment at 25 °C. Also the influence of the deep rolling on the fatigue behaviour of AISI 304 at different frequencies was investigated.
ISSN:0142-1123
1879-3452
DOI:10.1016/j.ijfatigue.2008.02.005