Open Access
Effect of micro-arc oxidation coating defects on fatigue property of Al alloy substrate
Publication type: Journal Article
Publication date: 2022-09-01
scimago Q1
wos Q1
SJR: 1.318
CiteScore: 9.5
Impact factor: 6.6
ISSN: 22387854, 22140697
Metals and Alloys
Surfaces, Coatings and Films
Ceramics and Composites
Biomaterials
Abstract
Ambiguous fatigue failure mechanism of micro-arc oxidation (MAO) coated samples was an urgent issue to be solved. In this paper, the influence mechanism of coating defects on the fatigue property of the samples with thin MAO coating was studied. Based on the stress analysis of the MAO coated 2024-T3 Al alloy, the effect of the MAO coatings produced using 8%, 10%, 15%, and 20% duty cycles on fatigue behavior was discussed. Fatigue fracture and strain under cyclic stress were measured with SEM and extensometer, respectively. The results showed that the maximum cyclic stress affected the initiation of fatigue cracks. With the increase in the external loading, stress variation of the coatings was the critical issue that caused the changes in the fatigue performance under the high and low cyclic stresses. Furthermore, the fatigue failure mechanism of the samples with the thin MAO coatings was revealed. This study provided a method basis for further exploring the fatigue property of the samples with the thick MAO coatings.
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Metrics
7
Total citations:
7
Citations from 2024:
3
(42.86%)
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GOST
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Dai W. et al. Effect of micro-arc oxidation coating defects on fatigue property of Al alloy substrate // Journal of Materials Research and Technology. 2022. Vol. 20. pp. 2479-2488.
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Dai W., Li Q., Chenguang G., Zhang J., Yang X., Zhao L., Li C. Effect of micro-arc oxidation coating defects on fatigue property of Al alloy substrate // Journal of Materials Research and Technology. 2022. Vol. 20. pp. 2479-2488.
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RIS
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TY - JOUR
DO - 10.1016/j.jmrt.2022.07.087
UR - https://doi.org/10.1016/j.jmrt.2022.07.087
TI - Effect of micro-arc oxidation coating defects on fatigue property of Al alloy substrate
T2 - Journal of Materials Research and Technology
AU - Dai, Weibing
AU - Li, Qiang
AU - Chenguang, Guo
AU - Zhang, Jianzhuo
AU - Yang, Xinle
AU - Zhao, Lijuan
AU - Li, Changyou
PY - 2022
DA - 2022/09/01
PB - Elsevier
SP - 2479-2488
VL - 20
SN - 2238-7854
SN - 2214-0697
ER -
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BibTex (up to 50 authors)
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@article{2022_Dai,
author = {Weibing Dai and Qiang Li and Guo Chenguang and Jianzhuo Zhang and Xinle Yang and Lijuan Zhao and Changyou Li},
title = {Effect of micro-arc oxidation coating defects on fatigue property of Al alloy substrate},
journal = {Journal of Materials Research and Technology},
year = {2022},
volume = {20},
publisher = {Elsevier},
month = {sep},
url = {https://doi.org/10.1016/j.jmrt.2022.07.087},
pages = {2479--2488},
doi = {10.1016/j.jmrt.2022.07.087}
}