Yu. D. Shchitsyn, D. S. Belinin, S. D. Neulybin, K. P. Karunakaran, T. V. Ol’shanskaya, A. V. Kazantsev, S. G. Nikulina
{"title":"Plasma Metallization for Additive Manufacturing of Workpieces Made of 308 LSi Steel","authors":"Yu. D. Shchitsyn, D. S. Belinin, S. D. Neulybin, K. P. Karunakaran, T. V. Ol’shanskaya, A. V. Kazantsev, S. G. Nikulina","doi":"10.3103/s1068798x24701363","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The problem of improving the quality of metal materials during additive manufacturing of workpieces is a relevant one. Additive technologies based on melting the starting material face a number of problems related to controlling the quality of the created material, which are primarily associated with overheating of the material in the working area and non-stationary thermal conditions during formation of the product. The possibility of creating monolithic metal products of significant size and weight with specified material characteristics by the method of layer-by-layer plasma metallization is currently effectively unexplored. The defect rate, chemical composition, structure, and properties of the material formed by plasma metallization are determined by thermochemical and gas-kinetic processes at all stages—from melting and wire spaying to the collision of particles on the substrate and the formation of the monolith. Development of a technology for the formation of a monolithic, defect-free material with a controlled chemical composition, structure, and properties by layer-by-layer plasma metallization would solve the problem of manufacturing large-sized products with a developed surface, ensure high process productivity, and reduce residual internal stresses and plastic deformations during additive manufacturing of special-purpose products. This article presents the results of a study of the possibility of additive manufacturing of workpieces by layer-by-layer plasma metallization from 308 LSi steel. It is shown that control over the structure and properties of the formed material can be achieved. Provided certain conditions for the formation of the two-phase plasma jet are fulfilled, it is possible to ensure that the structure and properties of the resulting material are close to those obtained by traditional methods. Metal created by layer-by-layer plasma metallization has high tensile and creep strengths, but is inferior in terms of ductility.</p>","PeriodicalId":35875,"journal":{"name":"Russian Engineering Research","volume":"191 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Russian Engineering Research","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3103/s1068798x24701363","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Engineering","Score":null,"Total":0}
引用次数: 0
Abstract
The problem of improving the quality of metal materials during additive manufacturing of workpieces is a relevant one. Additive technologies based on melting the starting material face a number of problems related to controlling the quality of the created material, which are primarily associated with overheating of the material in the working area and non-stationary thermal conditions during formation of the product. The possibility of creating monolithic metal products of significant size and weight with specified material characteristics by the method of layer-by-layer plasma metallization is currently effectively unexplored. The defect rate, chemical composition, structure, and properties of the material formed by plasma metallization are determined by thermochemical and gas-kinetic processes at all stages—from melting and wire spaying to the collision of particles on the substrate and the formation of the monolith. Development of a technology for the formation of a monolithic, defect-free material with a controlled chemical composition, structure, and properties by layer-by-layer plasma metallization would solve the problem of manufacturing large-sized products with a developed surface, ensure high process productivity, and reduce residual internal stresses and plastic deformations during additive manufacturing of special-purpose products. This article presents the results of a study of the possibility of additive manufacturing of workpieces by layer-by-layer plasma metallization from 308 LSi steel. It is shown that control over the structure and properties of the formed material can be achieved. Provided certain conditions for the formation of the two-phase plasma jet are fulfilled, it is possible to ensure that the structure and properties of the resulting material are close to those obtained by traditional methods. Metal created by layer-by-layer plasma metallization has high tensile and creep strengths, but is inferior in terms of ductility.
期刊介绍：
Russian Engineering Research is a journal that publishes articles on mechanical and production engineering. The journal covers the development of different branches of mechanical engineering, new technologies, and tools for machine and materials design. Emphasis is on operations research and production-line layout, industrial robots and manipulators, quality control and process engineering, kinematic analysis of machine assemblies, and computerized integrated manufacturing systems.
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