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Influence of Heat Treatment on the Structure, Phase Composition and Properties of Deformable Hard-Magnetic Fe–30Cr–20Co–2Mo Powder Alloy 热处理对可变形硬磁性 Fe-30Cr-20Co-2Mo 粉末合金的结构、相组成和性能的影响
Steel in Translation Pub Date : 2024-02-13 DOI: 10.3103/s0967091223100029
A. B. Ankudinov, A. Yu. Ivannikov, V. A. Zelenskii, A. B. Mikhailova, M. A. Kaplan, V. S. Yusupov
{"title":"Influence of Heat Treatment on the Structure, Phase Composition and Properties of Deformable Hard-Magnetic Fe–30Cr–20Co–2Mo Powder Alloy","authors":"A. B. Ankudinov, A. Yu. Ivannikov, V. A. Zelenskii, A. B. Mikhailova, M. A. Kaplan, V. S. Yusupov","doi":"10.3103/s0967091223100029","DOIUrl":"https://doi.org/10.3103/s0967091223100029","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The structure, phase composition, mechanical and magnetic properties of deformable hard magnetic Fe–30Cr–20Co–2Mo alloy obtained by sintering (1400°C, 240 min) of elemental powder compacts. The effect of quenching (1300°C, water) and stepwise heat treatment on the structure, mechanical properties during compression and magnetic characteristics of the samples is established. In the samples after sintering, a high proportion of the brittle sigma phase is recorded (~47%). The yield strength of such samples under compression is 1330 MPa with a brittle nature of fracture. After quenching, the yield strength decreases to 607 MPa, but the ductility of the samples increases. The increase in the samples ductility after quenching is associated with the fixation of the ferrite phase in the structure with a small amount of chromium oxides. After stepwise heat treatment, the ductility remains close to the ductility of quenched samples, but the yield strength increases to 1190 MPa. The Portevin–Le Chatelier effect is observed on such samples. Structural changes in the alloy during stepwise heat treatment lead to the appearance of technically suitable magnetic properties (residual induction 0.83 T, coercive force 56.4 kA/m, magnetic product 16 kJ/m<sup>3</sup>).</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":"175 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139763082","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
Study of the Elemental Composition and Wear Resistance of Coatings Obtained by Plasma Electrolytic Oxidation 等离子电解氧化涂层的元素组成和耐磨性研究
Steel in Translation Pub Date : 2024-02-13 DOI: 10.3103/s0967091223100133
Yu. A. Kuznetsov, I. N. Kravchenko, D. I. Petrovskii
{"title":"Study of the Elemental Composition and Wear Resistance of Coatings Obtained by Plasma Electrolytic Oxidation","authors":"Yu. A. Kuznetsov, I. N. Kravchenko, D. I. Petrovskii","doi":"10.3103/s0967091223100133","DOIUrl":"https://doi.org/10.3103/s0967091223100133","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The results of studies of the elemental composition and wear resistance of coatings formed by plasma-electrolytic oxidation on aluminum alloys are presented. As a result of X-ray spectral analysis, the distribution of chemical elements was revealed, which makes it possible, to a certain extent, to judge the influence of the electrolyte used and the chemical composition of the oxidized alloy on the elemental composition of the oxide-ceramic coating. It was established that the wear rate of coatings is 4.3–4.8 times lower than that of aluminum alloys without coatings. Electrolyte composition for plasma-electrolytic oxidation of aluminum alloys was recommended.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":"31 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139763083","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
Simulation of the Deformation Zone and Stress-Strain State during Screw Rolling of Billets from Hard-Deformed Alloy 模拟硬变形合金坯料螺纹轧制过程中的变形区和应力应变状态
Steel in Translation Pub Date : 2024-02-13 DOI: 10.3103/s0967091223100182
M. M. Skripalenko, B. A. Romantsev, V. S. Yusupov, V. A. Andreev, S. O. Rogachev, A. A. Gartvig, Yu. A. Gladkov, M. P. Kuprikov
{"title":"Simulation of the Deformation Zone and Stress-Strain State during Screw Rolling of Billets from Hard-Deformed Alloy","authors":"M. M. Skripalenko, B. A. Romantsev, V. S. Yusupov, V. A. Andreev, S. O. Rogachev, A. A. Gartvig, Yu. A. Gladkov, M. P. Kuprikov","doi":"10.3103/s0967091223100182","DOIUrl":"https://doi.org/10.3103/s0967091223100182","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Computer simulation of the processes of three- and four-roll helical rolling of a workpiece from a hard-to-deform alloy using the QForm finite element analysis computing environment was carried out. The rolling processes were simulated with equal pinch reduction and equal pinch diameters of the rolls of a three-roll mill and the main rolls of a four-roll mill. Based on the simulation results, the lengths of the actual deformation zone, the geometric deformation zone, and the external zones for both rolling schemes were compared. It was found that in the volume of the workpiece the accumulated strain is more evenly distributed during four-roll rolling and the spread of the values of the accumulated strain between the center and the surface of the workpiece is smaller. The average value of the effective stress in the cross section of the workpiece in pinch at a steady stage is less in four-roll rolling, and the distribution of effective stress values in the studied section is more uniform.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":"24 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139762901","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
General Mechanism of Biological Degradation of Polymeric Materials (Review) 聚合物材料生物降解的一般机制（综述）
Steel in Translation Pub Date : 2023-12-01 DOI: 10.3103/s0967091224700104
{"title":"General Mechanism of Biological Degradation of Polymeric Materials (Review)","authors":"","doi":"10.3103/s0967091224700104","DOIUrl":"https://doi.org/10.3103/s0967091224700104","url":null,"abstract":"<span> <h3>Abstract</h3> <p>The article provides an overview of modern ideas about biodegradation and biodeterioration and of polymer materials. The mechanisms of bacteria sedimentation and attachment and the formation of biofilms are described. Schemes of influencing abiotic and biological environmental factors are considered: the impact of polysaccharides and proteins contained in biofilms on a polymer material, implementation of enzymatic biodegradation reactions, as well as the influence of the material composition and its nature on the tendency to biodegradation.</p> </span>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":"30 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140198104","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
Application of Anti-Corrosion Coatings to Protect the Elements Suspension and Load-Bearing Structures Machines (Patent Review) 应用防腐涂料保护悬挂和承重结构机器部件（专利审查）
Steel in Translation Pub Date : 2023-12-01 DOI: 10.3103/s0967091224700098
{"title":"Application of Anti-Corrosion Coatings to Protect the Elements Suspension and Load-Bearing Structures Machines (Patent Review)","authors":"","doi":"10.3103/s0967091224700098","DOIUrl":"https://doi.org/10.3103/s0967091224700098","url":null,"abstract":"<span> <h3>Abstract</h3> <p>This article discusses various types of protective anti-corrosion coatings for machine parts and load-bearing structures that exist today. A comparative analysis of coatings based on polymeric materials is given.</p> </span>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":"42 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140198022","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
Improvement of Electrical Isotropic Low-Carbon Converter Steelmaking. Part 3 改进电气各向同性低碳转炉炼钢。第三部分
Steel in Translation Pub Date : 2023-12-01 DOI: 10.3103/s0967091223700031
{"title":"Improvement of Electrical Isotropic Low-Carbon Converter Steelmaking. Part 3","authors":"","doi":"10.3103/s0967091223700031","DOIUrl":"https://doi.org/10.3103/s0967091223700031","url":null,"abstract":"<span> <h3>Abstract</h3> <p>The issues of obtaining low carbon content (less than 0.003%) in finished electrical isotropic steel (EIS) of alloy group 4 (Si &gt;2.9% and Al &gt;1.0%) under converter production conditions are considered. The analysis of the impact of possible technological factors on the carbon gain in the metal after decarbonization is presented. Testing of technological methods, parameters and materials confirm the possibility of ensuring the carbon content in the finished metal at a level of no more than 0.003% at the converter plant 1 (CS-1) of the Novolipetsk Metallurgical Plant (NLMK) PJSC.</p> </span>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":"7 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140198406","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
Step Bending of Sheet Metal in the Manufacture of Thin-Walled Body Parts 薄壁件制造中金属板的阶梯弯曲
Steel in Translation Pub Date : 2023-11-29 DOI: 10.3103/s0967091223080090
A. O. Karfidov, N. A. Chichenev, M. V. Vasil’ev, O. N. Chicheneva
{"title":"Step Bending of Sheet Metal in the Manufacture of Thin-Walled Body Parts","authors":"A. O. Karfidov, N. A. Chichenev, M. V. Vasil’ev, O. N. Chicheneva","doi":"10.3103/s0967091223080090","DOIUrl":"https://doi.org/10.3103/s0967091223080090","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The issues of manufacturing thin-walled cases of small devices of small-scale or single production using stepped air bending, which uses many successive V-shaped bends to obtain a large bending radius of the workpiece, are considered. The essence of step-by-step bending technology is to replace one bend of a large radius with several bends with a smaller radius and angle. A formula is given for determining the step size (length) of a step, which is equal to the distance between two sequential bends, and represents the distance by which the sheet material must be moved after each bending step. The dependence of the bending angle on the stroke of the punch corresponding to the given bending step is given.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":"14 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526845","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
Effect of Chromium Carbide on the Structure and Properties of Weld-Deposited Metal Introduced into the Charge Mixture of a Flux-Cored Wire 碳化铬对药芯焊丝混合料中焊敷金属组织和性能的影响
Steel in Translation Pub Date : 2023-11-29 DOI: 10.3103/s0967091223090073
N. V. Kobernik, A. S. Pankratov, S. S. Sorokin, V. V. Petrova, A. L. Galinovskii, A. G. Orlik, D. V. Stroitelev
{"title":"Effect of Chromium Carbide on the Structure and Properties of Weld-Deposited Metal Introduced into the Charge Mixture of a Flux-Cored Wire","authors":"N. V. Kobernik, A. S. Pankratov, S. S. Sorokin, V. V. Petrova, A. L. Galinovskii, A. G. Orlik, D. V. Stroitelev","doi":"10.3103/s0967091223090073","DOIUrl":"https://doi.org/10.3103/s0967091223090073","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The effect of chromium carbide upon introducing into the charge mixture for a flux-cored wire exerted on the structure and properties of weld-deposited metal is considered. The welding deposition has been performed using a flux-cored wire in a protective gas environment. The composition of the flux-cored wires is chosen in such a way as to provide a weld-deposited metal based on the system of Cr–B–Nb–C alloyed iron. It has been shown that in the course of the welding deposition, chromium carbide decomposes, which results in alloying the weld-deposited metal with chromium and carbon and leads, in turn, to the formation of chromium carbides in the weld-deposited metal, as well as to an increase in the hardness of the deposited layer. On average, the presence of chromium carbide in the charge mixture of the flux-cored wire leads to an increase in the wear resistance of the weld-deposited metal.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":"16 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526927","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
Analysis of Accuracy of Diagnostic Model of Hydraulic Cylinders of Transport and Technological Machines 运输机械液压缸诊断模型的精度分析
Steel in Translation Pub Date : 2023-11-29 DOI: 10.3103/s096709122309019x
V. A. Zorin, Nguyen Chong Min, Ta Ngok Thang, Yu. G. Val’ko
{"title":"Analysis of Accuracy of Diagnostic Model of Hydraulic Cylinders of Transport and Technological Machines","authors":"V. A. Zorin, Nguyen Chong Min, Ta Ngok Thang, Yu. G. Val’ko","doi":"10.3103/s096709122309019x","DOIUrl":"https://doi.org/10.3103/s096709122309019x","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The article presents the results of laboratory studies of the patterns of changes in the technical condition of hydraulic cylinders. Operability and reliability depend on the degree of wear and clearances in the tribocouplings of the hydraulic cylinders. The higher is the total clearance, the lower is the working fluid pressure in the hydraulic cylinder. In the course of the study, methods of mathematical statistics and modeling have been used. The convergence of the results of mathematical modeling and laboratory studies of the technical condition of hydraulic cylinders has been experimentally confirmed.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":"29 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526979","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
Use of New Materials in the Manufacture of Containers to Store Anti-Icing Fluid at Civil Aviation Airfields 新材料在民航机场防冰液储罐制造中的应用
Steel in Translation Pub Date : 2023-11-29 DOI: 10.3103/s0967091223090164
N. K. Tagieva, A. V. Fomin, A. A. Babchenko
{"title":"Use of New Materials in the Manufacture of Containers to Store Anti-Icing Fluid at Civil Aviation Airfields","authors":"N. K. Tagieva, A. V. Fomin, A. A. Babchenko","doi":"10.3103/s0967091223090164","DOIUrl":"https://doi.org/10.3103/s0967091223090164","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>In the paper, it is justified that it is a good idea to use composite materials in the service of containers for storage and transportation of various types of chemically active liquids. The applicability of these materials is proved, the conditions that indicate the impact on the strength and performance characteristics of containers are determined. The use of a polymer resin reinforced with a fiberglass frame as a composite material is considered.</p>","PeriodicalId":21903,"journal":{"name":"Steel in Translation","volume":"43 12","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526992","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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