{"title":"The Influence of Tantalum on the Structure and Properties of AISI 316L Stainless Steel","authors":"A. M. Romanova, A. I. Gorunov","doi":"10.1134/S2075113325701527","DOIUrl":null,"url":null,"abstract":"<p><b>Abstract</b>—The influence of tantalum on the microstructure and properties of AISI 316L stainless steel produced by direct metal laser deposition was investigated. A powder mixture for direct metal laser deposition was prepared by adding tantalum powder to AISI 316L alloy powder at 5 and 95%, respectively. Metal samples were printed at laser power settings of 180 and 200 W. A comparison of height and width in longitudinal and transverse cross-sections was carried out, along with analyses of microstructure, microhardness, friction tests, and elemental composition for the two types of samples that were produced. The effect of tantalum on the dendritic structure was demonstrated. It was established that the tantalum content in the alloy during laser metal deposition significantly influences the volumetric shrinkage of the samples and promotes the formation of secondary arms on the primary arms of dendritic crystals. Tantalum particles act as nucleation centers and also contribute to grain refinement of AISI 316L stainless steel. During direct metal laser deposition, tantalum particles do not melt completely and partially retain their original structure, as confirmed by elemental analysis.</p>","PeriodicalId":586,"journal":{"name":"Inorganic Materials: Applied Research","volume":"16 5","pages":"1428 - 1435"},"PeriodicalIF":0.3000,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Inorganic Materials: Applied Research","FirstCategoryId":"1085","ListUrlMain":"https://link.springer.com/article/10.1134/S2075113325701527","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract—The influence of tantalum on the microstructure and properties of AISI 316L stainless steel produced by direct metal laser deposition was investigated. A powder mixture for direct metal laser deposition was prepared by adding tantalum powder to AISI 316L alloy powder at 5 and 95%, respectively. Metal samples were printed at laser power settings of 180 and 200 W. A comparison of height and width in longitudinal and transverse cross-sections was carried out, along with analyses of microstructure, microhardness, friction tests, and elemental composition for the two types of samples that were produced. The effect of tantalum on the dendritic structure was demonstrated. It was established that the tantalum content in the alloy during laser metal deposition significantly influences the volumetric shrinkage of the samples and promotes the formation of secondary arms on the primary arms of dendritic crystals. Tantalum particles act as nucleation centers and also contribute to grain refinement of AISI 316L stainless steel. During direct metal laser deposition, tantalum particles do not melt completely and partially retain their original structure, as confirmed by elemental analysis.
期刊介绍：
Inorganic Materials: Applied Research contains translations of research articles devoted to applied aspects of inorganic materials. Best articles are selected from four Russian periodicals: Materialovedenie, Perspektivnye Materialy, Fizika i Khimiya Obrabotki Materialov, and Voprosy Materialovedeniya and translated into English. The journal reports recent achievements in materials science: physical and chemical bases of materials science; effects of synergism in composite materials; computer simulations; creation of new materials (including carbon-based materials and ceramics, semiconductors, superconductors, composite materials, polymers, materials for nuclear engineering, materials for aircraft and space engineering, materials for quantum electronics, materials for electronics and optoelectronics, materials for nuclear and thermonuclear power engineering, radiation-hardened materials, materials for use in medicine, etc.); analytical techniques; structure–property relationships; nanostructures and nanotechnologies; advanced technologies; use of hydrogen in structural materials; and economic and environmental issues. The journal also considers engineering issues of materials processing with plasma, high-gradient crystallization, laser technology, and ultrasonic technology. Currently the journal does not accept direct submissions, but submissions to one of the source journals is possible.
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