Fatigue of 7075-T651 aluminum alloy under constant and variable amplitude loadings
作者： E.U. Lee , G. Glinka , A.K. Vasudevan , N. Iyyer , N.D. Phan
DOI: 10.1016/J.IJFATIGUE.2008.11.013
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摘要: Abstract The fatigue crack growth (FCG) behavior of 7075-T651 aluminum alloy was studied under constant and variable amplitude loadings in vacuum, air 1% NaCl solution. In the study loading fatigue, stress ratios were 0.1 0.85 frequency 10 Hz. load spectrums tension type tension–compression type, average about 5 Hz. results FCG tests, loadings, validated unified two parameter driving force model, accounting for residual ratio effects on growth.
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