{"title":"Structure and Microhardness of a Sprayed Austenitic Steel Coating after Friction Stir Processing","authors":"V. I. Kalita, D. I. Komlev, A. A. Radyuk","doi":"10.1134/S0036029524702100","DOIUrl":null,"url":null,"abstract":"<p>The structure and microhardness of an austenitic steel coating plasma sprayed onto a cylindrical surface are studied after friction stir processing (FSP) with two steel tools at a pressure of 30 MPa. During FSP, the coating temperature is found to increase to 1235°C, which makes it possible to plastically deform the coating and to compact it by destroying the initial structure and welding sprayed particles. As a result of FSP, the microhardness of the coating increases from 3.2 to 4.6 GPa.</p>","PeriodicalId":769,"journal":{"name":"Russian Metallurgy (Metally)","volume":"2024 5","pages":"1118 - 1123"},"PeriodicalIF":0.4000,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Russian Metallurgy (Metally)","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.1134/S0036029524702100","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"METALLURGY & METALLURGICAL ENGINEERING","Score":null,"Total":0}
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Abstract
The structure and microhardness of an austenitic steel coating plasma sprayed onto a cylindrical surface are studied after friction stir processing (FSP) with two steel tools at a pressure of 30 MPa. During FSP, the coating temperature is found to increase to 1235°C, which makes it possible to plastically deform the coating and to compact it by destroying the initial structure and welding sprayed particles. As a result of FSP, the microhardness of the coating increases from 3.2 to 4.6 GPa.
期刊介绍：
Russian Metallurgy (Metally) publishes results of original experimental and theoretical research in the form of reviews and regular articles devoted to topical problems of metallurgy, physical metallurgy, and treatment of ferrous, nonferrous, rare, and other metals and alloys, intermetallic compounds, and metallic composite materials. The journal focuses on physicochemical properties of metallurgical materials (ores, slags, matters, and melts of metals and alloys); physicochemical processes (thermodynamics and kinetics of pyrometallurgical, hydrometallurgical, electrochemical, and other processes); theoretical metallurgy; metal forming; thermoplastic and thermochemical treatment; computation and experimental determination of phase diagrams and thermokinetic diagrams; mechanisms and kinetics of phase transitions in metallic materials; relations between the chemical composition, phase and structural states of materials and their physicochemical and service properties; interaction between metallic materials and external media; and effects of radiation on these materials.
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