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Evaluation of Wear Resistance of a Radial Plain Bearing Taking into Account Nonlinear Factors and Heat Inflow 考虑非线性因素和热流入的径向滑动轴承耐磨性评价
IF 0.3
Journal of Machinery Manufacture and Reliability Pub Date : 2026-10-03 DOI: 10.1134/S1052618826700603
D. U. Khasyanova, E. A. Bolgova, M. A. Mukutadze, D. A. Rostovtseva
{"title":"Evaluation of Wear Resistance of a Radial Plain Bearing Taking into Account Nonlinear Factors and Heat Inflow","authors":"D. U. Khasyanova,&nbsp;E. A. Bolgova,&nbsp;M. A. Mukutadze,&nbsp;D. A. Rostovtseva","doi":"10.1134/S1052618826700603","DOIUrl":"10.1134/S1052618826700603","url":null,"abstract":"<p>The study is based on equations of motion, taking into account nonlinear factors and heat gain. Calculations characterizing pressure distribution within the bearing’s operating clearance were performed. The influence of nonlinear factors and heat gain on the technical characteristics of a radial plain bearing was analyzed. According to the study, the groove significantly improves the uniformity of lubricant distribution within the unit, thereby minimizing wear and extending the service life of the radial plain bearing. Modeling the behavior of the lubricant within the operating clearance involves analyzing a number of factors, such as the characteristics of the medium, the flow regime (laminar, transitional, or turbulent), operating parameters, and nonlinear factors.</p>","PeriodicalId":642,"journal":{"name":"Journal of Machinery Manufacture and Reliability","volume":"55 5","pages":"500 - 513"},"PeriodicalIF":0.3,"publicationDate":"2026-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098313","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
Obtaining Rheological Models of Nickel Alloy KhN62VMYuT-VD under Various Deformation Modes 不同变形模式下KhN62VMYuT-VD镍合金流变模型的建立
IF 0.3
Journal of Machinery Manufacture and Reliability Pub Date : 2026-10-03 DOI: 10.1134/S1052618826700561
I. S. Maslikov, D. A. Konstantinov, I. A. Burlakov, Wu Chong Bach
{"title":"Obtaining Rheological Models of Nickel Alloy KhN62VMYuT-VD under Various Deformation Modes","authors":"I. S. Maslikov,&nbsp;D. A. Konstantinov,&nbsp;I. A. Burlakov,&nbsp;Wu Chong Bach","doi":"10.1134/S1052618826700561","DOIUrl":"10.1134/S1052618826700561","url":null,"abstract":"<p>The article presents the results of determining the rheological model of the nickel alloy KhN62VMYuT-VD by upsetting of specimens with deformation rates <span>(dot varepsilon )</span> = 4 × 10<sup>–1</sup>, 10<sup>–2</sup>, and 10<sup>–3</sup> s<sup>–1</sup> in air at a constant temperature in the temperature range of 20–800°C using the empirical model proposed by Hensel–Spittel. The correctness of the found model is shown by comparative analysis of the force parameters obtained by indentation on the testing machine and modeling with the QForm 12 software package.</p>","PeriodicalId":642,"journal":{"name":"Journal of Machinery Manufacture and Reliability","volume":"55 5","pages":"543 - 551"},"PeriodicalIF":0.3,"publicationDate":"2026-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098160","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
Comparative Analysis of Tribological Characteristics DLC Coatings Alloyed with Ti- and Cr-3D Metals Ti-和Cr-3D合金DLC涂层摩擦学特性的比较分析
IF 0.3
Journal of Machinery Manufacture and Reliability Pub Date : 2026-10-03 DOI: 10.1134/S105261882670055X
I. V. Kolesnikov, P. G. Ivanochkin, E. D. Anikina, A. I. Azoyan
{"title":"Comparative Analysis of Tribological Characteristics DLC Coatings Alloyed with Ti- and Cr-3D Metals","authors":"I. V. Kolesnikov,&nbsp;P. G. Ivanochkin,&nbsp;E. D. Anikina,&nbsp;A. I. Azoyan","doi":"10.1134/S105261882670055X","DOIUrl":"10.1134/S105261882670055X","url":null,"abstract":"<p>It is known that alloying diamond-like coatings with transition 3D metals allows for significant modification of their structure and tribomechanical properties. The article compares Ti- and Cr-alloyed diamond-like coatings in real tribotests. The coatings were applied using the ion-plasma method using a BRV600 vacuum unit onto a 40KhN steel substrate by means of synchronized operation of an arc discharge and a pulsed laser. The mechanical characteristics of the samples were determined using the continuous indentation method on the NanoTest 600 measuring platform. It is noted that the mechanical characteristics of coatings depend significantly on the technological modes of coating application. Tribological tests were carried out using a ball-on-disk design, where a corundum ball served as the counterbody. Alloying diamond-like coatings with 3D transition metals has a significant effect on the tribological characteristics of the friction unit. All the examined samples had a low friction coefficient of 0.13–0.2, and the Cr-alloyed diamond-like coating demonstrated exceptionally high wear resistance.</p>","PeriodicalId":642,"journal":{"name":"Journal of Machinery Manufacture and Reliability","volume":"55 5","pages":"441 - 446"},"PeriodicalIF":0.3,"publicationDate":"2026-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098162","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
Determination of Thermal Conductivities of Transversally Isotropic Conductive Materials at High Temperatures 高温下横向各向同性导电材料热导率的测定
IF 0.3
Journal of Machinery Manufacture and Reliability Pub Date : 2026-10-03 DOI: 10.1134/S1052618826700597
M. V. Velikov, S. A. Dumansky, M. S. Rybolovlev, A. R. Gareev
{"title":"Determination of Thermal Conductivities of Transversally Isotropic Conductive Materials at High Temperatures","authors":"M. V. Velikov,&nbsp;S. A. Dumansky,&nbsp;M. S. Rybolovlev,&nbsp;A. R. Gareev","doi":"10.1134/S1052618826700597","DOIUrl":"10.1134/S1052618826700597","url":null,"abstract":"<p>A computational and experimental method for determining the thermal conductivity of transversely isotropic conductive materials at high temperatures based on solving the inverse problem in a thermoelectrically coupled formulation has been developed. The influence of the degree of anisotropy of properties on the temperature distribution in the cross-sections of the working zones of cylindrical samples, where heat is generated by passing an electric current and is removed by convection and radiation on the side surfaces, was investigated for isotropic and quasi-isotropic graphites, unidirectionally reinforced carbon–carbon composite material (essentially anisotropic) and highly oriented pyrographite (strongly anisotropic). The developed method was tested using data obtained as a result of numerical solution of a direct thermoelectrically coupled problem for weakly and significantly anisotropic materials. A comparison of solutions for constant and linear local approximations of the dependences of thermal conductivity on temperature was carried out.</p>","PeriodicalId":642,"journal":{"name":"Journal of Machinery Manufacture and Reliability","volume":"55 5","pages":"459 - 468"},"PeriodicalIF":0.3,"publicationDate":"2026-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098173","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
Constructing a Crack Model for a Selective Fracture of Copper Slag Particles Intended for Abrasive Waterjet Cutting 建立磨料水射流切割铜渣颗粒选择性断裂的裂纹模型
IF 0.3
Journal of Machinery Manufacture and Reliability Pub Date : 2026-10-03 DOI: 10.1134/S1052618826700664
G. V. Barsukov, D. O. Dorokhov, I. N. Kravchenko, O. G. Kozhus, E. A. Tinyakova
{"title":"Constructing a Crack Model for a Selective Fracture of Copper Slag Particles Intended for Abrasive Waterjet Cutting","authors":"G. V. Barsukov,&nbsp;D. O. Dorokhov,&nbsp;I. N. Kravchenko,&nbsp;O. G. Kozhus,&nbsp;E. A. Tinyakova","doi":"10.1134/S1052618826700664","DOIUrl":"10.1134/S1052618826700664","url":null,"abstract":"<p>This paper is devoted to simulation results obtained for crack condition observed in the course of a selective fracture of copper slag particles intended for using under abrasive waterjet cutting. The simulation has been performed based on the concept of a nonlocal model of elastic materials, which assumes a compensation for high stresses at sharpened tips by a nonlocal interaction beween the crack faces in this area owing to surface molecular forces. The simulation results make it possible to provide selective (targeted) and controlled separation of components composing copper slag particles under crushing into separate components for to apply them to the abrasive waterjet cutting.</p>","PeriodicalId":642,"journal":{"name":"Journal of Machinery Manufacture and Reliability","volume":"55 5","pages":"552 - 559"},"PeriodicalIF":0.3,"publicationDate":"2026-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098159","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
Assessment of the Effectiveness of Kinematic Schemes in Line-by-Line Surface Plastic Deformation 逐行表面塑性变形运动学方案的有效性评价
IF 0.3
Journal of Machinery Manufacture and Reliability Pub Date : 2026-10-03 DOI: 10.1134/S1052618826700652
S. A. Zaides, T. C. Le
{"title":"Assessment of the Effectiveness of Kinematic Schemes in Line-by-Line Surface Plastic Deformation","authors":"S. A. Zaides,&nbsp;T. C. Le","doi":"10.1134/S1052618826700652","DOIUrl":"10.1134/S1052618826700652","url":null,"abstract":"<p>The article evaluates the effectiveness of different kinematic schemes for line-by-line surface plastic deformation of cylindrical parts made of Steel 45 using finite-element modeling (Ansys Workbench). Comparative analysis showed that the grid hardening scheme provides the best surface-layer quality characteristics: the maximum hardness increases to 292 HB, which is 9% higher than that obtained with the longitudinal scheme, while the intensity of compressive residual stresses reaches 335 MPa, which is 10% higher. It was established that a rational grid angle of 45° between plastic tracks forms a favorable anisotropy of mechanical properties (<i>K</i><sub>α</sub> = 1.27), which retards fatigue crack propagation. The influence of the scale factor on processing effectiveness was identified, and a correction coefficient for the deforming force was proposed. The computational assessment confirmed a 20% increase in the fatigue strength margin of the part when using the developed hardening technology.</p>","PeriodicalId":642,"journal":{"name":"Journal of Machinery Manufacture and Reliability","volume":"55 5","pages":"477 - 489"},"PeriodicalIF":0.3,"publicationDate":"2026-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098175","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
Dynamic Analysis of a Parallel-Structure Robot for Translational Displacements 并联机器人平移位移的动力学分析
IF 0.3
Journal of Machinery Manufacture and Reliability Pub Date : 2026-10-03 DOI: 10.1134/S1052618826700573
S. M. Demidov, A. A. Romanov, A. K. Aleshin, R. A. Chernetsov
{"title":"Dynamic Analysis of a Parallel-Structure Robot for Translational Displacements","authors":"S. M. Demidov,&nbsp;A. A. Romanov,&nbsp;A. K. Aleshin,&nbsp;R. A. Chernetsov","doi":"10.1134/S1052618826700573","DOIUrl":"10.1134/S1052618826700573","url":null,"abstract":"<p>In this article, the dynamics of the parallel structure mechanism are considered, and the required geometric dependencies and phase portraits are obtained. The amplitude of the mechanism oscillations is considered.</p>","PeriodicalId":642,"journal":{"name":"Journal of Machinery Manufacture and Reliability","volume":"55 5","pages":"427 - 432"},"PeriodicalIF":0.3,"publicationDate":"2026-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098158","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
Assessing Total Average Service Life for Crankshafts under Routine Operating Conditions 评估曲轴在常规操作条件下的总平均使用寿命
IF 0.3
Journal of Machinery Manufacture and Reliability Pub Date : 2026-10-03 DOI: 10.1134/S1052618826700676
S. A. Velichko, E. A. Anashkin, N. V. Rakov, P. A. Ionov, I. A. Mikheychev, A. V. Razumkov
{"title":"Assessing Total Average Service Life for Crankshafts under Routine Operating Conditions","authors":"S. A. Velichko,&nbsp;E. A. Anashkin,&nbsp;N. V. Rakov,&nbsp;P. A. Ionov,&nbsp;I. A. Mikheychev,&nbsp;A. V. Razumkov","doi":"10.1134/S1052618826700676","DOIUrl":"10.1134/S1052618826700676","url":null,"abstract":"<p>Crankshafts operate under severe conditions, experiencing periodic loads from gas pressure and the inertial forces originating from translational and rotational motion. Up to 40% of crankshafts are replaced annually, underutilizing up to 50% of their repairing sizes owing to the absence of a reliable method for estimating service life parameters. This paper is devoted to testing a method for determining the probability of failure-free operation and the total average crankshaft service life under routine operating conditions. Comparative calculation results are presented for crankshaft service life based on regrinding from the <i>i</i>th to the <i>j</i>th repairing sizes and applying a metal coating while maintaining the rated and repairing sizes. It is proven that the resulting total average service life of crankshafts under routine operating conditions calculated with the use of the new method by the example of the YaMZ-238NB, is more reliable than the average service life calculated based on the Weibull law.</p>","PeriodicalId":642,"journal":{"name":"Journal of Machinery Manufacture and Reliability","volume":"55 5","pages":"490 - 499"},"PeriodicalIF":0.3,"publicationDate":"2026-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098246","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
Methods of Nonlinear Dynamics of Nonequilibrium Phase Transitions in the Theory of Failure of Materials 材料失效理论中非平衡相变的非线性动力学方法
IF 0.3
Journal of Machinery Manufacture and Reliability Pub Date : 2026-10-03 DOI: 10.1134/S1052618826700548
E. V. Radkevich, M. E. Stavrovskii, A. V. Ragutkin, O. A. Vasil’eva, I. N. Kravchenko, I. M. Sidorov
{"title":"Methods of Nonlinear Dynamics of Nonequilibrium Phase Transitions in the Theory of Failure of Materials","authors":"E. V. Radkevich,&nbsp;M. E. Stavrovskii,&nbsp;A. V. Ragutkin,&nbsp;O. A. Vasil’eva,&nbsp;I. N. Kravchenko,&nbsp;I. M. Sidorov","doi":"10.1134/S1052618826700548","DOIUrl":"10.1134/S1052618826700548","url":null,"abstract":"<p>The article attempts to extend the methodology of mathematical modeling of critical phenomena as nonequilibrium phase transitions occurring at the initial stages in the spinodal decomposition mode to the process of destruction of structural materials. The method of thermodynamic analysis of critical phenomena is considered using the example of constructing a mathematical model of transformation from elastic deformation to creep. A mathematical description is given of elastic deformation, plastic flow, and irreversible transition of one into another in a single-phase model, without isolating the transformed state as an independent phase; formation of a creep zone in the terminology of Barenblatt.</p>","PeriodicalId":642,"journal":{"name":"Journal of Machinery Manufacture and Reliability","volume":"55 5","pages":"433 - 440"},"PeriodicalIF":0.3,"publicationDate":"2026-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098161","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
Structural-Phase Features and Tribological Properties of Ion-Plasma Coatings CrTiZrNbHf and CuCrMnFeCoNi 离子等离子体涂层CrTiZrNbHf和CuCrMnFeCoNi的结构-相特征和摩擦学性能
IF 0.3
Journal of Machinery Manufacture and Reliability Pub Date : 2026-10-03 DOI: 10.1134/S1052618826700585
K. N. Polityko
{"title":"Structural-Phase Features and Tribological Properties of Ion-Plasma Coatings CrTiZrNbHf and CuCrMnFeCoNi","authors":"K. N. Polityko","doi":"10.1134/S1052618826700585","DOIUrl":"10.1134/S1052618826700585","url":null,"abstract":"<p>The relationship between the composition, structural-phase state, and tribological characteristics of ion-plasma coatings based on high-entropy alloys of the CrTiZrNbHf and CuCrMnFeCoNi systems obtained by cathodic arc deposition and magnetron sputtering was investigated. The study included scanning electron microscopy, energy-dispersive analysis, X-ray diffraction analysis, nanoindentation, and tribological testing at temperatures of –60 ± 5, +25, and +150 ± 5°C using the ball-on-plate scheme. It was found that the CrTiZrNbHf coating forms a multiphase nanocrystalline partially amorphous structure with a BCC lattice, with a significant deviation from equiatomicity (&gt;30%). The CuCrMnFeCoNi coating forms a single-phase FCC structure of a solid solution with a chemical composition close to equiatomic. The hardness of coatings based on high-entropy alloys of the CrTiZrNbHf and CuCrMnFeCoNi systems is three times higher than the value for a 40NiCrMo6 steel substrate. A comparison of tribological properties revealed that the CuCrMnFeCoNi coating has the lowest coefficient of friction at room temperature, and wear resistance is three to eight times higher than that of CrTiZrNbHf over the entire temperature range.</p>","PeriodicalId":642,"journal":{"name":"Journal of Machinery Manufacture and Reliability","volume":"55 5","pages":"524 - 534"},"PeriodicalIF":0.3,"publicationDate":"2026-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149098157","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
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