2021
DOI: 10.1007/s11003-021-00500-x
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Improvement of the Functional Characteristics of Coatings Obtained By the Method of Hard Anodizing of Aluminum Alloys

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Cited by 5 publications
(6 citation statements)
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“…[16][17][18][19] In particular, the improvement of the surface properties by hard-anodizing has been studied in detail. [20] In addition, recent works concerned the corrosion protection of anodized wrought Al alloys for aerospace application and the re-use of anodizing waste. [21,22] However, the anodizing response of Al-Si foundry alloys, which remain the most used and spread Al casting alloys, has not been studied in depth, due to the difficulty in obtaining a uniform oxide layer.…”
Section: Introductionmentioning
confidence: 99%
“…[16][17][18][19] In particular, the improvement of the surface properties by hard-anodizing has been studied in detail. [20] In addition, recent works concerned the corrosion protection of anodized wrought Al alloys for aerospace application and the re-use of anodizing waste. [21,22] However, the anodizing response of Al-Si foundry alloys, which remain the most used and spread Al casting alloys, has not been studied in depth, due to the difficulty in obtaining a uniform oxide layer.…”
Section: Introductionmentioning
confidence: 99%
“…The microhardness of the synthesized layer increased from 5.2 to 6.8 GPa, and their wear resistance by 1.4-2.3 times as the ozone concentration increased from 1 to 5 mg/L. It was also found that the thickness of the anodized layer increased by 50% when hydrogen peroxide was added to the base electrolyte (20% aqueous solution of H 2 SO 4 ) [33]. In addition, the microhardness of the HALs also increased by 60% (from 400 to 650 HV) with an increase in the concentration of hydrogen peroxide in the electrolyte of the base composition from 0 to 70 g/L.…”
Section: Introductionmentioning
confidence: 91%
“…Therefore, it is widely used in industry. However, due to its significant disadvantages (low hardness ≤500 HV and wear resistance [29][30][31][32][33]), its wider application for surface hardening of various elements is limited.…”
Section: Introductionmentioning
confidence: 99%
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“…The most common method of finishing the surface of aluminum and its alloys is anodic oxidation, which is used as a protective coating with various properties, including anticorrosive [1], decorative with or without dyes, as well as hard anodizing coating to improve the wear resistance of the surface [2]. Anodizing is an electrochemical process of the growth of an oxide film on the surface of aluminum, which is used as an anode in an electrolytic cell, due to the introduction of oxygen ions into the metal under the effect of electric voltage.…”
Section: Introductionmentioning
confidence: 99%