Influence of microarc oxidation and hard anodizing on plain fatigue and fretting fatigue behaviour of Al–Mg–Si alloy

Rajasekaran, B.; Raman, S. Ganesh Sundara; Krishna, L. Rama; Joshi, Shrikant V.; Sundararajan, G.

doi:10.1016/j.surfcoat.2007.06.058

Cited by 71 publications

(34 citation statements)

References 32 publications

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“…Therefore, the difference of fatigue life between PEO coating and PEO with impregnation epoxy resin was to be caused by the difference of fatigue crack initiation life. Moreover, the difference of fatigue life and influence factors (except the surface hardness without discussion) between hard anodized coating and PEO coating on the aluminum alloys had been described in previous literature by Yerokhin et al (1999Yerokhin et al ( , 2004Yerokhin et al ( , 2005, Lonyuk et al (2007), Nykyforchyn et al (1998), Sheasby and Pinner (2001), Rateick et al (1996), Asquith et al (2006), Khan et al (2005), Dieter and Bacon (1988), Monsalv et al (2007), and Rajasekaran, Raman, Krishna, Joshi, and Sundararajan (2008). The synergistic effects of oxide coating and aluminum substrates attracted a wide variety of study by means of choosing different processing parameters in the anodized coating process.…”

Section: Effects Of Surface Modification On the Fatigue Strength Of Amentioning

confidence: 85%

Environment-induced fatigue cracking behavior of aluminum alloys and modification methods

Wang

Li²,

Yang

et al. 2015

Corrosion Reviews

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This paper reviews the current corrosion fatigue strength issues of light metals, which include the corrosion fatigue cracking behaviors, such as the prior-corrosion pit deformation mechanism, the synergistic interaction between prior-corrosion pits and local stress/strain, the coupling damage behavior under mechanical fatigue loading, and the surrounding environmental factors such as a high humidity and a current 3.5 wt.% or 5.0 wt.% NaCl aqueous solution. The characterization of corrosion fatigue crack growth rate based on simple and measurable parameters (crack propagation length and applied stress amplitude or stress intensity factor) is also of great concern in engineering application. In addition, an empirical model to predict S-N curves of aluminum alloys at the environmental conditions was proposed in this paper. One of the main aims was to outline the corrosion fatigue cracking mechanism, which favors the corrosion fatigue residual life prediction of aluminum alloys subjected to the different environmental media that are often encountered in engineering services. Subsequently, this paper explores recently various surface modification technologies to enhance corrosion fatigue resistance and to improve fatigue strength. For example, the fatigue strength of 2024-T4 aluminum alloy has been modified using plasma electrolytic oxidation coating with the impregnation of epoxy resin modification method to compare with other oxide coating or uncoated substrate alloy.

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Section: Effects Of Surface Modification On the Fatigue Strength Of Amentioning

confidence: 85%

Environment-induced fatigue cracking behavior of aluminum alloys and modification methods

Wang

Li²,

Yang

et al. 2015

Corrosion Reviews

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“…3 However, the applications of aluminum alloys are seriously restricted by their low surface hardness and high wear rate. [4][5][6][7] To date, many aluminum alloy surface treatment methods have been developed and employed to improve the hardness and friction performance of aluminum alloy. However, most of these technologies require high temperature and are complex.…”

Section: Introductionmentioning

confidence: 99%

MICROSTRUCTURE AND PROPERTIES OF MAO COMPOSITE COATINGS CONTAINING NANORUTILE TiO₂ PARTICLES

2017

Surf. Rev. Lett.

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Microarc oxidation (MAO) composite coatings containing rutile TiO 2 were produced on 2024 aluminum alloy in an electrolyte with nanorutile TiO 2 particles. The microstructure and properties of the composite coatings were analyzed by SEM, EDS, laser confocal microscope, XRD, Vickers hardness tester, scratch test and friction test, respectively. The results showed that the composite coatings consisted of -Al 2 O 3 , -Al 2 O 3 , mullite and rutile TiO 2 . With increasing concentration of rutile TiO 2 particles in the electrolyte, the compactness of the composite coatings was improved signi¯cantly. The abrasion performance of the microarc oxidation composite coatings containing rutile TiO 2 was better than that of MAO coatings without rutile TiO 2 .

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“…Recently, anodizing coatings and plasma electrolytic oxidation (PEO) coatings have become effective methods for improving the corrosion resistance of magnesium alloys (Nykyforchyn et al, 1998;Yerokhin et al, 1999;2004;Khan et al, 2005;Guo et al, 2007;Rajasekaran et al, 2008). Unfortunately, some results have indicated that anodized or PEO coatingsubstrate structures have reduced fatigue strength or fatigue life compared with uncoated substrates (Eifert et al, 1999;Yerokhin et al, 2004;Rajasekaran et al, 2008). Wang et al (2014; provided a method for improving the fatigue strength of coated-substrate of Al 2024-T4 alloy by using PEO with an impregnation epoxy resin sealing pore method.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the critical stress of anodized coating-AZ91D substrate using SEM in-situ technology

Wang

Guo

Nakamura

et al. 2016

JZUS-A

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Experimental investigations of the micro cracking behavior of a coating-substrate structure were carried out in-situ with a scanning electron microscope (SEM). An anodized coating layer was deposited on an AZ91D substrate by the galvanize pulse method. Results indicated that the failure mechanism of the coating-substrate structure was due to a mismatch of micro deformation between the coating and substrate. The micro deformations induced by different failure models were cracking, spalling, or delamination. The failure models were validated using theoretical, experimental, and digital image correlation methods. The critical stress of failure can be evaluated by measuring the biaxial stress.

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Influence of microarc oxidation and hard anodizing on plain fatigue and fretting fatigue behaviour of Al–Mg–Si alloy

Cited by 71 publications

References 32 publications

Environment-induced fatigue cracking behavior of aluminum alloys and modification methods

Environment-induced fatigue cracking behavior of aluminum alloys and modification methods

MICROSTRUCTURE AND PROPERTIES OF MAO COMPOSITE COATINGS CONTAINING NANORUTILE TiO₂ PARTICLES

Evaluation of the critical stress of anodized coating-AZ91D substrate using SEM in-situ technology

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Influence of microarc oxidation and hard anodizing on plain fatigue and fretting fatigue behaviour of Al–Mg–Si alloy

Cited by 71 publications

References 32 publications

Environment-induced fatigue cracking behavior of aluminum alloys and modification methods

Environment-induced fatigue cracking behavior of aluminum alloys and modification methods

MICROSTRUCTURE AND PROPERTIES OF MAO COMPOSITE COATINGS CONTAINING NANORUTILE TiO2 PARTICLES

Evaluation of the critical stress of anodized coating-AZ91D substrate using SEM in-situ technology

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MICROSTRUCTURE AND PROPERTIES OF MAO COMPOSITE COATINGS CONTAINING NANORUTILE TiO₂ PARTICLES