2011
DOI: 10.4028/www.scientific.net/amm.66-68.1592
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Thickness Effects on the Fatigue Crack Growth Rate of 2024-T4 Aluminum Alloy

Abstract: The fatigue crack growth experiments of 2024-T4 aluminum alloy were carried out to study the thickness effects on the fatigue crack growth rate. Round compact specimens with two different thickness, 3.8mm and 12.5mm, were subjected to Mode I loading with fourR-ratios (0.05, 0.1, 0.5 and 0.75) and loading amplitudes. An optical reading microscope with a magnification of 40 was used to measure the crack length. Stable crack growth is characterized by the standard form of the Paris law, material constants of the … Show more

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“…Figure 9 shows the testing data of 2024Al alloy with different specimen thicknesses (3.8 and 12.5 mm) and stress ratios (R = 0.05, 0.5) taken from Xu et al 44 It can be found in Figure 9B that the normalized results of 2024Al alloy can be descripted well by the improved model.…”
Section: Other Alloys (Data From the Literature)mentioning
confidence: 91%
“…Figure 9 shows the testing data of 2024Al alloy with different specimen thicknesses (3.8 and 12.5 mm) and stress ratios (R = 0.05, 0.5) taken from Xu et al 44 It can be found in Figure 9B that the normalized results of 2024Al alloy can be descripted well by the improved model.…”
Section: Other Alloys (Data From the Literature)mentioning
confidence: 91%