Effect of compositions of active electrolytes on properties of anodic carburization

Белкин, П. Н.; Dyakov, I. G.; Zhirov, A. V.; Кусманов, С. А.; Mukhacheva, T. L.

doi:10.1134/s2070205110060158

Cited by 24 publications

(16 citation statements)

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“…Moreover, the oxide layer formed on the workpiece surface is characterized by protective properties under some conditions. These results are obtained at carburizing [15] , nitriding [16] , nitrocarburising [17] , and oxidizing [18] of steels. The goal of this paper is to study anode PES of titanium alloys and their properties after saturation with interstitial elements.…”

Section: Introductionmentioning

confidence: 54%

Anode Plasma Electrolytic Saturation of Titanium Alloys with Nitrogen and Oxygen

Белкин

Кусманов

Zhirov

et al. 2016

Journal of Materials Science & Technology

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Section: Introductionmentioning

confidence: 54%

Anode Plasma Electrolytic Saturation of Titanium Alloys with Nitrogen and Oxygen

Белкин

Кусманов

Zhirov

et al. 2016

Journal of Materials Science & Technology

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“…A layer thickness formed by the anode PEC depends not only on the concentration of the carbon-containing components in the electrolyte but also on dissolution and oxidising rates of the sample material [3,51]. Increase in concentration of ammonium chloride containing no carbon results in the thickening of carburised layer owing to intensified anodic dissolution and reduction in the thickness of the oxide layer which retards carbon diffusion.…”

Section: Low-carbon Steelsmentioning

confidence: 98%

“…6). Oxygen distribution in the surface layer determined by proton nuclear backscattering shows that the thickness of the oxide layer is several micrometres; deeper -within tenths of micrometres -an iron zone enriched with its oxides is formed [3,51,58].…”

Section: Low-carbon Steelsmentioning

confidence: 99%

Plasma electrolytic saturation of steels with nitrogen and carbon

Белкин

Yerokhin

Кусманов

2016

Surface and Coatings Technology

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Studies in plasma electrolysis resulted in development of various surface treatments for metal components. These treatments include formation of protective ceramic layers on some metals (e.g. oxide coatings), saturation of metal surfaces with interstitial elements (e.g. nitrogen, carbon and boron), and plasma electrolytic deposition of extrinsic compounds, heat-treatments (e.g. hardening and annealing), surface cleaning and polishing. The main advantages of plasma electrolytic treatments are high processing speeds and low costs. The treatments enable production of surface nanostructures and local area processing. This review examines recent results in plasma electrolytic carburising, nitriding, and nitrocarburising (as the most common diffusion-based treatments), including treatment modes, electrolyte compositions, structures, and properties of hardened materials. Analysis of the results obtained up to date indicates that pulse plasma electrolytic saturation treatments leading formation of surface nano-structures appear to be the most promising to advance further this type of electrolytic plasma technology. Moreover, electrolytic plasma treatments provide considerable research interest in terms of fundamental science, in particular for development of models of heat transfer on flat vertically or horizontally oriented surfaces and electrochemical processes occurring in the studied systems. These processes include stages of liberation of saturating components, adsorption of active atoms, and their diffusion into the metal surface; therefore understanding associated kinetics and limiting factors is important for gaining proper control over these surface treatments.

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“…Кон-центрации азота, бора и серы составляют примерно 0,3-0,4 мас.%. Полученные результаты не противоречат ранее полученным данным для анодного насыщения ма-лоуглеродистых сталей в карбамидном и глицериновом электролитах [2,13]. Такое содержание диффундирую-щих элементов в поверхностном слое стали достаточ-но для его аустенитизации с образованием мартенсита в слое толщиной до 35 мкм (рис.6).…”

Section: рисunclassified

“…с целью по-лучения заданных поверхностных свойств у обрабатывае-мых изделий: высоких прочностных характеристик при це-ментации [1][2][3], высокой твердости при борировании [4], повышенной износостойкости при азотировании [5,6].…”

Section: Introductionunclassified

Anode plasma electrolytic saturation of low-carbon steel with carbon, nitrogen, boron, and sulfur

Кусманов¹,

Наумов²,

Tambovskiy³

et al. 2015

LoM

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Effect of compositions of active electrolytes on properties of anodic carburization

Cited by 24 publications

References 1 publication

Anode Plasma Electrolytic Saturation of Titanium Alloys with Nitrogen and Oxygen

Anode Plasma Electrolytic Saturation of Titanium Alloys with Nitrogen and Oxygen

Plasma electrolytic saturation of steels with nitrogen and carbon

Anode plasma electrolytic saturation of low-carbon steel with carbon, nitrogen, boron, and sulfur

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