Impact of Electrolytic-Plasma Nitriding on 34CrNi1Mo Steel Surface Layer Properties

Skakov, Маzhyn; Yerygina, Lyudmila; Scheffler, Michael

doi:10.4028/www.scientific.net/amm.698.439

Cited by 9 publications

(3 citation statements)

References 2 publications

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“…However, the effect of electrical discharges during cathodic treatment led to an increase in the coefficient of friction. Similar results were obtained for plasma electrolytic nitriding high-speed steel R6M5 [2] or alloy steel 34CrNi1Mo [3], where the resistance to abrasive wear is reduced by 1.5 times. Positive results were obtained with cathodic plasma electrolyte boriding of steel H13 [4] Anodic processes are characterized by a decrease in surface roughness due to the anodic dissolution of the sample, which makes it possible to reduce the friction coefficient and the intensity of wear [5].…”

Section: Introductionsupporting

confidence: 82%

Evaluation of tribotechnical properties of modified surfaces after plasma electrolytic treatment

Mukhacheva

Kalinina

Кусманов

2021

J. Phys.: Conf. Ser.

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The article considers the study of the effect of plasma electrolytic processing on the tribotechnical characteristics of medium-carbon steel. Friction tests were carried out in dry friction mode. Electron microscope and profilometer were used to study the friction tracks. For a comprehensive assessment of the quality of the modified surface layer, the Kragelsky-Kombalov complex parameter was calculated. It was found that plasma electrolytic treatment leads to a decrease in the coefficient of friction and weight wear in comparison with hardened and untreated steel. It has been determined that the mechanism of wear of samples after plasma electrolytic treatment is fatigue wear at boundary friction and plastic contact.

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Section: Introductionsupporting

confidence: 82%

Evaluation of tribotechnical properties of modified surfaces after plasma electrolytic treatment

Mukhacheva

Kalinina

Кусманов

2021

J. Phys.: Conf. Ser.

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“…Cathode plasma electrolytic nitriding (PEN) in a urea solution at 400-600С for 3-10 min reduces wear rate of cast iron G3500 by 2.5-fold and steel S0050A by 3fold after dry friction against WC balls as counter-bodies [3]. The PEN of high speed steel R6M5 [4] or structural steel 34CrNi1Mo [5] shows a close results. In these cases, the abrasive wear rate reduced by a factor of 1.5.…”

Section: Introductionmentioning

confidence: 96%

Possibility of increasing wear resistance of steel by combining anodic plasma electrolytic treatment

Кусманов¹,

Tambovskiy²,

Силкин³

et al. 2019

BALTTRIB

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The opportunity of enhancement of the wear resistance of steel by combining anodic plasma electrolytic saturation of steel with interstitial elements followed by, quenching and plasma electrolytic polishing was shown. The samples of low-carbon steel were subjected to plasma electrolytic nitrocarburising. The samples of medium carbon steel were subjected to plasma electrolytic boriding. The formation of the modified layer including a hardened diffusion layer and a surface oxide layer occurs as a result of diffusion saturation. After nitrocarburising and boriding the steel samples were polished in an aqueous solution of ammonium sulphate. Conducting the surface polishing results in the removal of a loose part of the oxide layer (predominantly FeO), which reduces the surface roughness more than a half. Wear testing reveals that wear resistance of steel samples after polishing is higher than nitrocarburising ones of 1.8 times and boriding ones of 21.5 times.

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“…Cathodic plasma electrolytic nitriding (PEN) of high-speed steel R6M5 [4][5][6] or structural steel 34CrNi1Mo [7] where abrasive wear resistance increased by a factor of 1.5. Same results obtained in [8], treatment at 400-600°С for 3-10 minutes reduced the wear rate of cast iron G3500 by 2.5 times and steel S0050A by 3 times under dry friction with WC balls as counter-bodies.…”

Section: Introductionmentioning

confidence: 99%

The effect of the nitrogen-saturating component of the electrolyte on the properties of coatings obtained by anodic plasma electrolyte nitriding

Силкин¹,

Кусманов²

2019

BALTTRIB

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The effect of the nitrogen-saturating component of the electrolyte on the properties of coatings obtained by anodic electrolyte-plasma nitriding of M1044 steel was studied. In this process, ammonia or ammonium nitrate used as a nitrogen donor and ammonium chloride is a component to increase the conductivity of the electrolyte. Treatment duration 5 minutes at temperature range 750-850°С. Corrosion resistance of the coatings obtained from electrolyte with saturating component ammonium nitrate better than coatings from electrolyte with ammonia, аnd it is much less than the raw sample. Wear test (10 N normal load, 0.4 m/s sliding speed, and 240 m sliding distance, Al2O3 ball (6.35 mm in diameter) as counter-body) shows that wear resistance of the sample from electrolyte with saturating component ammonia better than from electrolyte with ammonium nitrate, and significantly less than raw M1044 steel.

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Impact of Electrolytic-Plasma Nitriding on 34CrNi1Mo Steel Surface Layer Properties

Cited by 9 publications

References 2 publications

Evaluation of tribotechnical properties of modified surfaces after plasma electrolytic treatment

Evaluation of tribotechnical properties of modified surfaces after plasma electrolytic treatment

Possibility of increasing wear resistance of steel by combining anodic plasma electrolytic treatment

The effect of the nitrogen-saturating component of the electrolyte on the properties of coatings obtained by anodic plasma electrolyte nitriding

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