Surface Engineering and Applied Electrochemistry最新文献

Modeling the Process of Changing the Temperature Field of a Billet Made of Zirconium Alloy Zr–1%Nb during Equal-Channel Angular Pressing 模拟了Zr-1%Nb锆合金坯料等径角挤压过程中温度场的变化过程

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Surface Engineering and Applied Electrochemistry Pub Date : 2025-05-20 DOI: 10.3103/S106837552470056X

Hanan Alsheikh, A. B. Rozhnov, S. O. Rogachev, D. Z. Grabko, O. A. Shikimaka

{"title":"Modeling the Process of Changing the Temperature Field of a Billet Made of Zirconium Alloy Zr–1%Nb during Equal-Channel Angular Pressing","authors":"Hanan Alsheikh, A. B. Rozhnov, S. O. Rogachev, D. Z. Grabko, O. A. Shikimaka","doi":"10.3103/S106837552470056X","DOIUrl":"10.3103/S106837552470056X","url":null,"abstract":"Using mathematical modeling in the QFORM software package, the data on the temperature distribution of a billet made of a zirconium alloy E110 (Zr–1%Nb) in its longitudinal and transverse sections during an equal-channel angular pressing (ECAP) were obtained. The initial data on the geometric parameters of the billet and the die of the ECAP unit are presented, and the conditions for carrying out the process of severe plastic deformation, as well as the chemical composition and physical characteristics of the Zr–1%Nb alloy, necessary for carrying out the computational modeling are described. The values of the billet temperature were determined for the calculated moments of the passage of the billet through the junction of the die channels, which corresponded to 25, 50, and 75% of its length. During the ECAP process at a given pressing speed, in the section corresponding to the junction of the matrix channels, an increase in the billet temperature relative to its initial heating occurred by an amount of approximately 10°C.","PeriodicalId":782,"journal":{"name":"Surface Engineering and Applied Electrochemistry","volume":"61 1","pages":"63 - 74"},"PeriodicalIF":0.9,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Electrohydrodynamic Instability and Electrodispersion of Liquids (Review) 液体的电流体动力学不稳定性和电分散（综述）

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Surface Engineering and Applied Electrochemistry Pub Date : 2025-05-20 DOI: 10.3103/S1068375524700546

A. I. Grigoriev, A. A. Shiryaev

{"title":"Electrohydrodynamic Instability and Electrodispersion of Liquids (Review)","authors":"A. I. Grigoriev, A. A. Shiryaev","doi":"10.3103/S1068375524700546","DOIUrl":"10.3103/S1068375524700546","url":null,"abstract":"The electrohydrodynamic instability of the charged liquid surface manifests itself in the instability of a highly charged drop, the instability of a charged drop in superposition of external electrostatic field and gravitational field, and the instability of flat charged surface of electroconductive liquid. Attempts to experimentally verify the correctness of the criterion of electrohydrodynamic instability of a highly charged drop, the Rayleigh criterion, which began in the middle of the last century and continue to the present, confirm it but with some error that does not decrease over the years (with the improvement of the instrument base), which indicates the principle of such an error. In general, the need to position the droplet implies the influence of certain external fields that deform the droplet and, thereby, affect the accuracy of the determined Rayleigh criterion. An experimental and numerical study of the instability of an uncharged drop in an external electrostatic field, the Taylor drop instability, shows its qualitative similarity to the instability of a charged Rayleigh drop. Somewhat apart is the electrohydrodynamic instability of the flat surface of the liquid, the Tonks–Frenkel instability, well studied theoretically but poorly experimentally, due to the fact that high-speed movie cameras have relatively recently entered scientific use.","PeriodicalId":782,"journal":{"name":"Surface Engineering and Applied Electrochemistry","volume":"61 1","pages":"34 - 54"},"PeriodicalIF":0.9,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100342","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Bionic Design and Performance Evaluation of Micro-Textural Patterns on Cutting Tools 刀具微纹理图案的仿生设计与性能评价

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Surface Engineering and Applied Electrochemistry Pub Date : 2025-05-20 DOI: 10.3103/S1068375525700012

S. H. Deshmukh, C. L. Gogte

{"title":"Bionic Design and Performance Evaluation of Micro-Textural Patterns on Cutting Tools","authors":"S. H. Deshmukh, C. L. Gogte","doi":"10.3103/S1068375525700012","DOIUrl":"10.3103/S1068375525700012","url":null,"abstract":"Surface engineering of micro-scale nanocomposite coatings on metal cutting tools enhances retention of hardness at high temperatures. This study aimed to impart wear resistance for the cutting tools while increasing cutting power and reducing the coefficient of friction, especially for machining hard-to-cut materials like D2 tool steels. This investigation examined the influence of laser surface modification with thin film bionic micro textures and tungsten deposition on the rake surface of the tungsten carbide uncoated cutting tools to reduce friction and wear. This study describes a unique material texturing method inspired by the surface morphology of dung beetle bionic zigzag patterns engineered on the substrates of cutting tools. In the dry cutting trials, an improvement in the machining performance and service life of the cutting tools was observed, which was attributed to the synergistic effect of surface textures and modification of the chemical composition of the rake surface of the cutting tools. The combined features of the dimple and mesh pattern provide a robust surface with high hardness, improved wear resistance, and the potential for reduced friction. A 24.47% decrease in the coefficient of friction was observed after the computer numerical control machining of textured inserts, leading to a reduction in tool wear and an increase in tool life. The technique helps to tailor surface characteristics for various metal-cutting tools and can also be extended for surface modification of mechanical implements in agricultural applications.","PeriodicalId":782,"journal":{"name":"Surface Engineering and Applied Electrochemistry","volume":"61 1","pages":"81 - 105"},"PeriodicalIF":0.9,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100341","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Processes and Equipment of Plasma Electrolytic Treatment of Metals and Alloys 金属及合金等离子体电解处理工艺及设备

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Surface Engineering and Applied Electrochemistry Pub Date : 2025-05-20 DOI: 10.3103/S1068375524700601

S. A. Kusmanov, B. L. Krit, I. A. Kusmanova, I. V. Tambovskiy, T. L. Mukhacheva, S. N. Grigoriev

引用次数: 0

Mathematical Model of Double-Pulse Electrolysis of Alkalines 碱液双脉冲电解的数学模型

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Surface Engineering and Applied Electrochemistry Pub Date : 2025-05-20 DOI: 10.3103/S1068375524700534

M. Koshel, S. Koshel, Yu. Polishchuk

{"title":"Mathematical Model of Double-Pulse Electrolysis of Alkalines","authors":"M. Koshel, S. Koshel, Yu. Polishchuk","doi":"10.3103/S1068375524700534","DOIUrl":"10.3103/S1068375524700534","url":null,"abstract":"A mathematical model of a simple two-chamber electrolyzer has been formulated and substantiated for the study of possible processes carried out during electrolysis. The calculations took into account the following factors: electrochemical reactions, electromigration of ions in the potential gradient field, diffusion through the membrane that separates the cathode and anode chambers, change in the volume of the solution due to the water molecules compaction in the hydration shells of ions, and change in alkali concentration. The electrolysis mode consists of two consecutive current pulses: the first-cathodic and the next-anodic. Theoretical calculations of the system state in the two-pulse mode are the most accurate since the chemical composition of the electrolyte does not change at the moment of switching the current. However, the directions of electrode reactions, electromigration, and electroosmosis change. In the electrolysis mode with more pulses, it would be impossible to calculate the state parameters. A mathematical model has been created for a comparative analysis of the influence of different electrolysis conditions on the speed ratio of various processes.","PeriodicalId":782,"journal":{"name":"Surface Engineering and Applied Electrochemistry","volume":"61 1","pages":"24 - 33"},"PeriodicalIF":0.9,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Electrophysical Mechanism of the Skin Effect in a Metallic Conductor with an Alternating Electric Conduction Current 具有交流导电电流的金属导体中趋肤效应的电物理机制

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Surface Engineering and Applied Electrochemistry Pub Date : 2025-05-20 DOI: 10.3103/S1068375524700558

M. I. Baranov

{"title":"Electrophysical Mechanism of the Skin Effect in a Metallic Conductor with an Alternating Electric Conduction Current","authors":"M. I. Baranov","doi":"10.3103/S1068375524700558","DOIUrl":"10.3103/S1068375524700558","url":null,"abstract":"An electrophysical mechanism is proposed that explains the nonuniform distribution of the intensities of the intrinsic alternating electromagnetic field (EMF) across the thickness of a massive isotropic nonmagnetic metallic conductor of rectangular cross section with an electric alternating conduction current i0(t) of different amplitude–time parameters. The mechanism substantiating the manifestation of the skin effect in the specified conductor is based on the Faraday–Maxwell law of electromagnetic induction. It is mathematically shown that the induction alternating conduction currents and their alternating magnetic fields arising in the conductor material under the action of the alternating conduction current i0(t) and, accordingly, under the action of the intrinsic alternating magnetic flux Ф0(t) at dФ0(t)/dt > 0 weaken the intensities of the intrinsic alternating EMF distributed inside the conductor and, at dФ0(t)/dt < 0 maintain the EMF intensities decreasing with time and across the depth of the conductor material.","PeriodicalId":782,"journal":{"name":"Surface Engineering and Applied Electrochemistry","volume":"61 1","pages":"55 - 62"},"PeriodicalIF":0.9,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100327","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Ferromagnetic Properties of Silicon Doped Manganese Atoms 硅掺杂锰原子的铁磁性质

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Surface Engineering and Applied Electrochemistry Pub Date : 2025-05-20 DOI: 10.3103/S1068375524700571

N. F. Zikrillaev, S. V. Koveshnikov, Levent Trabzon, G. Kh. Mavlonov, B. K. Ismaylov, T. B. Ismailov, F. E. Urakova

引用次数: 0

Effect of Aqueous Electrolyte Composition on the Efficiency of Electrochemical Machining of Additive Manufacturing Products Made of Ti–6Al–4V Alloy 水电解质组成对Ti-6Al-4V合金增材制造产品电化学加工效率的影响

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Surface Engineering and Applied Electrochemistry Pub Date : 2025-05-20 DOI: 10.3103/S1068375524700509

E. V. Krasnova, Yu. A. Morgunov, B. P. Saushkin, I. A. Slyusar’, S. A. Smeyan

{"title":"Effect of Aqueous Electrolyte Composition on the Efficiency of Electrochemical Machining of Additive Manufacturing Products Made of Ti–6Al–4V Alloy","authors":"E. V. Krasnova, Yu. A. Morgunov, B. P. Saushkin, I. A. Slyusar’, S. A. Smeyan","doi":"10.3103/S1068375524700509","DOIUrl":"10.3103/S1068375524700509","url":null,"abstract":"The influence of the anionic composition of an aqueous electrolyte on the efficiency of the electrochemical leveling of the initial microgeometry of samples obtained by selective electron beam melting (SEBM) at the following mode parameters was studied: a current density of 20 A/cm2, an initial interelectrode gap of 0.3 mm, and an average electrolyte pumping speed of 12 m/s. Aqueous solutions of sodium chloride, nitrate, perchlorate, and bisalt electrolytes based on them were studied. It was shown that aqueous solutions of sodium perchlorate have the best microleveling properties among the working media studied, which provides the ability to reduce the parameters Ra and Rz from values of 35 and 180 μm, respectively, to values of 3.2 and 20 μm within 30 s of electrolysis in a direct-flow electrolyzer. It was established that the microgeometry leveling corresponds to the model of the secondary distribution of dissolution rates; two main factors were identified that significantly influenced the result: polarization of the electrodes and a decrease in the oxidation state of metal ions passing into the solution during electrochemical machining in the vicinity of the depression in relation to the protrusion due to changes in the local conditions of electrolysis. Microetching along the grain boundaries in the studied electrolytes was not detected at the adopted electrolysis mode parameters.","PeriodicalId":782,"journal":{"name":"Surface Engineering and Applied Electrochemistry","volume":"61 1","pages":"1 - 11"},"PeriodicalIF":0.9,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Wet Chemical Synthesis Optimisation and Characterisation of Nano Holmium Oxide for Photocatalytic and Dielectric Device Applications 用于光催化和介电器件的纳米氧化钬的湿化学合成优化和表征

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Surface Engineering and Applied Electrochemistry Pub Date : 2025-05-20 DOI: 10.3103/S1068375524700522

K. U. Aiswarya, K. J. Arun, M. D. Aggarwal

引用次数: 0

Radiation-Induced Processes in Electron-Irradiated Films of Negative Phenol-Formaldehyde Photoresist on Silicon 硅上负性酚醛光刻胶电子辐照膜的辐射诱导过程

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Surface Engineering and Applied Electrochemistry Pub Date : 2025-05-20 DOI: 10.3103/S1068375524700625

D. I. Brinkevich, E. V. Grinyuk, S. D. Brinkevich, V. S. Prosolovich, Yu. N. Yankovskii, V. V. Kolos, O. A. Zubova, S. B. Lastovskii

{"title":"Radiation-Induced Processes in Electron-Irradiated Films of Negative Phenol-Formaldehyde Photoresist on Silicon","authors":"D. I. Brinkevich, E. V. Grinyuk, S. D. Brinkevich, V. S. Prosolovich, Yu. N. Yankovskii, V. V. Kolos, O. A. Zubova, S. B. Lastovskii","doi":"10.3103/S1068375524700625","DOIUrl":"10.3103/S1068375524700625","url":null,"abstract":"It was found that radiation-induced processes in films of negative photoresist NFR 016D at doses up to 2 × 1015 cm–2 occur mainly with the participation of residual solvent molecules or on by-products of the photoresist film synthesis. After irradiation, absorption bands with maxima at 1717 (stretching vibrations of C=O bonds), 1068, and 1009 cm–1 (vibrations of C–O–C bond in methyl-3-methoxypropylate solvent) disappear in the attenuated total internal reflection spectra of the photoresist. At irradiation doses above 1 × 1016 cm–2, significant changes in the intensity of the bands associated with the main component of the photoresist (phenol-formaldehyde resin) were observed. A noticeable transformation of the spectrum occurs in the region of 1550–1700 cm–1, in which stretching vibrations of C=O bonds are observed. At irradiation doses above 2 × 1016 cm–2, the intensities of the bands caused by stretching vibrations of CH2 and CH groups decrease (bands with maxima at 2925 and 3012 cm–1, respectively). The experimental results indicate a change in the composition of substituents at the carbon ring and the formation of conjugated double C=O bonds when the photoresistive film is irradiated with electron doses above 2 × 1016 cm–2.","PeriodicalId":782,"journal":{"name":"Surface Engineering and Applied Electrochemistry","volume":"61 1","pages":"130 - 135"},"PeriodicalIF":0.9,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0