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Determination of Wear Resistance of Epoxy-Sand Composites Used in Machine Repairs 机械维修用环氧砂复合材料耐磨性的测定
Steel in Translation Pub Date : 2023-11-29 DOI: 10.3103/s0967091223090061
T. N. Egunova
{"title":"Determination of Wear Resistance of Epoxy-Sand Composites Used in Machine Repairs","authors":"T. N. Egunova","doi":"10.3103/s0967091223090061","DOIUrl":"https://doi.org/10.3103/s0967091223090061","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The composition and features of the manufacture of epoxy-sand composite specimens, which is used in the repair of road-building machines, are considered. The determination results of wear resistance of the epoxy-sand composite are present. It is shown that the friction properties of the material depend on the concentration of dispersed particles. It has been found out that reducing the filler concentration provides the best wear resistance of epoxy-sand composites.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526929","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
Research and Improvement of Fused Deposition Modeling of Nylon 12 Products 尼龙12产品熔融沉积成型技术的研究与改进
Steel in Translation Pub Date : 2023-11-29 DOI: 10.3103/s0967091223090085
A. A. Myshechkin, A. A. Lim
{"title":"Research and Improvement of Fused Deposition Modeling of Nylon 12 Products","authors":"A. A. Myshechkin, A. A. Lim","doi":"10.3103/s0967091223090085","DOIUrl":"https://doi.org/10.3103/s0967091223090085","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The results of studies of fused deposition modeling of products from nylon 12 threads are presented. To improve the product quality and increase the process stability, it is proposed to use an intermediate substrate. Examples of the implementation of the proposed technology are given.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526978","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
Laser Processing of Wear-Resistant Iron Based Electrochemical Composites 耐磨铁基电化学复合材料的激光加工
Steel in Translation Pub Date : 2023-11-29 DOI: 10.3103/s0967091223080119
Yu. E. Kisel, A. O. Gorlenko, A. V. Kolomeichenko, D. A. Boldyrev
{"title":"Laser Processing of Wear-Resistant Iron Based Electrochemical Composites","authors":"Yu. E. Kisel, A. O. Gorlenko, A. V. Kolomeichenko, D. A. Boldyrev","doi":"10.3103/s0967091223080119","DOIUrl":"https://doi.org/10.3103/s0967091223080119","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The effect of laser processing on some mechanical properties of iron based electrochemical composites with dispersed inclusions of boron carbide has been studied. It has been shown that thermal treatment with laser radiation leads to a change in the microstructure and an increase in the wear resistance of composites.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526844","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
Influence of Unit Concentrate Surface on Prime Yield at Green Pellet Pelletizing 单位浓缩面对生粒制球初级产量的影响
Steel in Translation Pub Date : 2023-11-29 DOI: 10.3103/s0967091223090176
A. S. Timofeeva, T. V. Nikitchenko, S. N. Romashin, A. V. Kononykhin, Yu. V. Smirnova, V. V. Fedina
{"title":"Influence of Unit Concentrate Surface on Prime Yield at Green Pellet Pelletizing","authors":"A. S. Timofeeva, T. V. Nikitchenko, S. N. Romashin, A. V. Kononykhin, Yu. V. Smirnova, V. V. Fedina","doi":"10.3103/s0967091223090176","DOIUrl":"https://doi.org/10.3103/s0967091223090176","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Iron ore pellets are goods produced by AO Stoilenskii Mining and Milling Operation from iron ore concentrate with bentonite as a binding agent. The influence of the unit concentrate surface on the properties of green pellets is examined in a laboratory setting. It is established that, with an expansion of the unit concentrate surface, the prime yield and porosity of green pellets increase and their strength improves.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526969","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
Directions for Reducing Chemical Heterogeneity of Continually Cast Pipe Blank 降低连铸管毛坯化学不均匀性的研究方向
Steel in Translation Pub Date : 2023-11-29 DOI: 10.3103/s0967091223090048
S. P. Burmasov, A. G. Gudov, E. G. Zhitlukhin, I. P. Parkhomenko, N. S. Stolbov
{"title":"Directions for Reducing Chemical Heterogeneity of Continually Cast Pipe Blank","authors":"S. P. Burmasov, A. G. Gudov, E. G. Zhitlukhin, I. P. Parkhomenko, N. S. Stolbov","doi":"10.3103/s0967091223090048","DOIUrl":"https://doi.org/10.3103/s0967091223090048","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>As a result of studying the heredity of the relationship between the chemical heterogeneity of seamless pipes and continuously cast billets, it was established that the key direction for stabilizing the composition and properties of finished metal products is to reduce the level of chemical heterogeneity of the cast metal. Based on the analysis of specially conducted studies, the possibility of significantly reducing the chemical heterogeneity of continuously cast billets by optimizing the technology of out-of-furnace processing and steel casting was established.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526977","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
Service Life Prediction and Evaluation of the Technical Condition of Engines Based on Remote Diagnostic System 基于远程诊断系统的发动机技术状态寿命预测与评估
Steel in Translation Pub Date : 2023-11-29 DOI: 10.3103/s0967091223090103
A. A. Pegachkov
{"title":"Service Life Prediction and Evaluation of the Technical Condition of Engines Based on Remote Diagnostic System","authors":"A. A. Pegachkov","doi":"10.3103/s0967091223090103","DOIUrl":"https://doi.org/10.3103/s0967091223090103","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The paper considers issues related to the assessment of technical condition of diesel engines by creating a remote diagnostic system capable of assessing the technical condition of the engine under check. Based on the analysis of the read and stored diagnostic data, the system can calculate and correct their critical values. These system capabilities make it possible to solve problems related to service life forecasting. Special subsystems with the possibility of self-learning are used, based on algorithms that establish a connection between the system states and data obtained in real time for each diagnostic parameter.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526980","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 the Optimal Design of a Wastewater Treatment Plant after Waterjet Cutting 水射流切割后污水处理厂优化设计的确定
Steel in Translation Pub Date : 2023-11-29 DOI: 10.3103/s0967091223090036
A. A. Baurov
{"title":"Determination of the Optimal Design of a Wastewater Treatment Plant after Waterjet Cutting","authors":"A. A. Baurov","doi":"10.3103/s0967091223090036","DOIUrl":"https://doi.org/10.3103/s0967091223090036","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The analysis of flotation tanks and the composition of waste water after hydroabrasive cutting has been carried out. The most optimal design of the treatment unit for waste water treatment of a hydroabrasive machine was been determined. The results of studies aimed at determining the main parameters and the principle of operation of a waste water treatment plant for waste water treatment after the hydroabrasive cutting are presented.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526928","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
Polymorphism of Iron. Part 2. Paradoxes of Metallic Bonding Models 铁的多态性。第2部分。金属键合模型的悖论
Steel in Translation Pub Date : 2023-11-29 DOI: 10.3103/s096709122309005x
S. V. Davydov
{"title":"Polymorphism of Iron. Part 2. Paradoxes of Metallic Bonding Models","authors":"S. V. Davydov","doi":"10.3103/s096709122309005x","DOIUrl":"https://doi.org/10.3103/s096709122309005x","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>This study considers the main stages of the evolution of ideas about the kind of bonding in metals. The paradigm of chemical bonding in metals is based on the metallic bonding model known as the rigid atomic ion frame immersed in electron gas of free electrons or the electron gas model (P. Drude, H.A. Lorentz, Ch. Kittel, W. Hume-Rothery, and others). As an alternative to the official Drude–Lorentz electron gas theory, V.K. Grigorovich has proposed a modernized model and the metallic bonding theory based on the concept of the “multiple overlapping of outer valence orbitals”. V.Yu. Gankin has recently proposed a revolutionary metallic bonding model on electrostatic principles of “electron nuclear isomerization and electrostatic dynamic resonant interaction of valence electrons” or the atom-ion model. The models developed by Grigorovich and Gankin have largely evolved and deepened the idea about the kind of particle interaction among structural components of crystal metal lattice but have not gone beyond the basic limitations of the Drude–Lorentz model in terms of the antiphysical notion of electron gas of free electrons. None of the considered metallic bonding models explains the ionization degree of metal atoms, formation and effect of metallic bonds, and generation of threshold shear stresses in the crystal lattice of iron which are responsible for diffusionless transformation at polymorphous transformation temperature. Similarly, the theory of rigid ion frame immersed in electron gas fails to explain the phenomenon of mercury properties.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526924","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
Estimating the Efficiency of a Hammer Mill with Combined Methods for Suspending Hammers by a Rotor 用转子悬锤联合方法估算锤式磨机效率
Steel in Translation Pub Date : 2023-11-29 DOI: 10.3103/s0967091223090188
D. A. Vlasenko
{"title":"Estimating the Efficiency of a Hammer Mill with Combined Methods for Suspending Hammers by a Rotor","authors":"D. A. Vlasenko","doi":"10.3103/s0967091223090188","DOIUrl":"https://doi.org/10.3103/s0967091223090188","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The efficiency of a hammer mill with combined methods for suspending hammers by the rotor was estimated under the production conditions of the fractional preparation of fluxes in the agglomeration shop of branch No. 1 of the Alchevsk Metallurgical Plant (Southern Mining and Smelting Enterprise). Tests of a DMRiE 14.5 × 13 hammer mill was conducted to determine the crushing degree, relative capacity, and relative number of failures of the working parts using hammers in two design types: when a series of hammers are mounted on the suspension axle and when a series of hammers are mounted using an auxiliary axle installed in the leg. It was found that the average crushing degree of fluxing limestone in the advanced mill was reduced by 2.5%, but it did not have any effect on its average relative capacity. The relative number of hammer failures during operation decreased from 0.087 to 0.0006, and the rotor lifetime increased by 1.1 times.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526926","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
Comparison of Plasma Surface Hardening with Vibratory Arc Deposition 等离子体表面硬化与振动电弧沉积的比较
Steel in Translation Pub Date : 2023-11-29 DOI: 10.3103/s0967091223090097
I. A. Nagaiko, A. A. Gulyarenko
{"title":"Comparison of Plasma Surface Hardening with Vibratory Arc Deposition","authors":"I. A. Nagaiko, A. A. Gulyarenko","doi":"10.3103/s0967091223090097","DOIUrl":"https://doi.org/10.3103/s0967091223090097","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>A comparison of two modern methods of strengthening soil-cutting parts is presented—vibratory arc deposition and plasma hardening. Plasma hardening allows you to increase the strength characteristics of a part by 3–3.5 times, makes it possible to carry out the process without the use of cooling media, and is also characterized by simplicity, low cost, maneuverability, small dimensions of technological equipment, and the possibility of automation and robotization of the technological process. Short-circuited arc surfacing has more modest indicators of increasing strength characteristics. This is a more labor-intensive and expensive process, but nevertheless can be successfully used to restore of worn parts.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526968","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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