Anode plasma electrolytic carburizing of commercial pure titanium

Белкин, П. Н.; Кусманов, С. А.; Dyakov, I. G.; Komissarova, M; Parfenyuk, V. I.

doi:10.1016/j.surfcoat.2016.04.057

Cited by 26 publications

(8 citation statements)

References 10 publications

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“…Similar results for anodic carburising of CP-Ti [14] and nitriding of VT22 titanium alloys [13] were obtained. According to the data of EDX-analysis oxygen is found in the alloy structure at the depth of up to 25 μm (Figures 1-4).…”

Section: Structure Of the Modified Layer And Microhardness Testssupporting

confidence: 81%

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Anodic plasma electrolytic nitrocarburising of Ti6Al4 V alloy (SMT31)

Кусманов

Кусманова

Tambovskiy

et al. 2017

Surface Engineering

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The structure of Ti6Al4 V alloy, its microhardness, surface roughness and corrosion resistance after anodic plasma electrolytic nitrocarburising (PEN/C) in an electrolyte containing carbamide and ammonium chloride were investigated. An X-ray diffractometer and a scanning electron microscopy were used to characterise the phase composition and structure of the modified surface. The effect of processing temperature on the corrosion resistance of the PEN/C samples was examined by means of potentiodynamic polarisation in Ringer's solution. It was found that the PEN/C provides the formation of the external oxide layer (rutile) and a solid solution of carbon and nitrogen in titanium with martensite structure after quenching in the electrolyte. The microhardness of the layer is 740 HV; the surface roughness decreases from 1 to 0.63 μm. Corrosion resistance in Ringer's solution does not deteriorate after anodic PEN/C at low temperature.

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Section: Structure Of the Modified Layer And Microhardness Testssupporting

confidence: 81%

“…Respectively, the treatment in the aqueous solution of ammonium chloride (10 wt-%) and sucrose (10 wt-%) resulted in the decrease in wear rate by 3 orders of magnitude. The sucrose-based electrolyte also provides a decrease in the corrosion current density to 1/18 due to the passivating effect of the oxide layer [13].…”

Section: Introductionmentioning

confidence: 99%

Anodic plasma electrolytic nitrocarburising of Ti6Al4 V alloy (SMT31)

Кусманов

Кусманова

Tambovskiy

et al. 2017

Surface Engineering

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“…Until now, many surface treatment techniques have been investigated to enhance the wear resistance of titanium and its alloys, such as plasma electrolytic oxidation (PEO) [7,8], laser alloying [9,10,11], high-velocity oxygen fuel (HVOF) [12], physical vapor deposition (PVD) [13,14], chemical vapor deposition (CVD) [15], carburizing [16,17,18], and aluminizing [19,20,21]. Khorasanian et al [7] and Aliasghari et al [8] found that the PEO coating consisted of rutile and anatase and the non-stoichiometric TiO oxide, which had a very dense structure with no significant crack or porosity, improved the wear resistance of the substrate.…”

Section: Introductionmentioning

confidence: 99%

“…Belkin et al [16] investigated the influence of electrolyte compositions on the properties and structure of commercial pure titanium (CP–Ti) in the process of anode plasma electrolytic carburizing (PEC). The studies indicated that the anode PEC of the CP–Ti samples led to the formation of a solid solution of carbon in titanium, and the friction coefficient ranged from 0.29 ± 0.01 to 0.10 ± 0.01.…”

Section: Introductionmentioning

confidence: 99%

Effect of Diffusion Annealing Temperature on the Formation Process and Properties of a Carbon–Aluminum Composite Layer on Pure Titanium

et al. 2019

Materials

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A carbon–aluminum composite layer was prepared on the surface of pure titanium by double glow plasma carburizing, magnetron sputtering aluminizing, and vacuum-diffusional annealing treatment. The microstructure, phase composition, and properties of the composite layer obtained at different annealing temperatures were investigated by scanning electron microscopy, energy-dispersive X-ray spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and the ball-on-disc wear method. Results showed that the layer contained a mixture of TiAl3, Ti2Al5, and TiC phases at 650 °C for 6 h, which can significantly enhance the hardness and wear resistance of pure titanium. The layer exhibited a higher hardness of around 1231 HV0.1, a lower friction coefficient of 0.33, and lower wear volumes of 0.018 mm3 than those of the titanium substrate.

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“…The formation of plasma on the surface of anodic or cathodic substrate, which depends on the polarity of applied voltage, gives the capability to carry out anodic or cathodic EPP for various surface engineering. For the anodic EPP, it has been usually associated with surface passivation and coating, leading to oxidizing, carburizing, and/or nitriding of the electrode surface 24–26 . While the cathodic EPP has been used for preparing metal nanoparticles or depositing metallic coating 27, 28 .…”

Section: Introductionmentioning

confidence: 99%

Electrolytic plasma processing-an innovative treatment for surface modification of 304 stainless steel

Gui

Lin

Hao

et al. 2017

Sci Rep

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There is widespread attention to surface profile and modification of 304 stainless steel for research development and application. Here, a successful electrolytic plasma processing (EPP) technique has been developed for both surface pretreatment and coating deposition of 304 stainless steel. Representative images confirm that the number of the pits increases and the ravines gradually disappear on the steel pretreated by EPP with the increase of processing time and applied voltage. Moreover, there is an obvious enhancement in surface roughness of 304 stainless steel after EPP pretreatment. In the case of coating deposition, the further EPP modification conducted on the pretreated sample offers a simple and effective technique for the production of zinc coatings having the features of full coverage and homogeneous distribution. The results show that a zinc coating with a thickness of approximately 0.5 μm can be obtained on the 304 stainless steel by means of EPP for only 60 s.

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Anode plasma electrolytic carburizing of commercial pure titanium

Cited by 26 publications

References 10 publications

Anodic plasma electrolytic nitrocarburising of Ti6Al4 V alloy (SMT31)

Anodic plasma electrolytic nitrocarburising of Ti6Al4 V alloy (SMT31)

Effect of Diffusion Annealing Temperature on the Formation Process and Properties of a Carbon–Aluminum Composite Layer on Pure Titanium

Electrolytic plasma processing-an innovative treatment for surface modification of 304 stainless steel

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