PAVEL PODANY, TOMAS STUDECKY, TOMAS GREGOR, RADEK PROCHAZKA, ALEKSANDRA KOCIJAN
{"title":"ULTRA-HIGH STRENGTH TWIP STEEL WITH HIGH CHROMIUM CONTENT","authors":"PAVEL PODANY, TOMAS STUDECKY, TOMAS GREGOR, RADEK PROCHAZKA, ALEKSANDRA KOCIJAN","doi":"10.17973/mmsj.2023_06_2023041","DOIUrl":null,"url":null,"abstract":"A new ultra-high strength steel with a fully austenitic microstructure and twinning-induced plasticity (TWIP) effect has been developed. TWIP effect gives this steel a good combination of high strength of over 1000 MPa and ductility of over 35%. This new steel has a high chromium content, which increases its corrosion resistance. By combining cold rolling and annealing, the steel has achieved a very fine austenitic microstructure with an average grain diameter of 2.85 µm. This steel could be used for structural applications or components that need to withstand high levels of stress, deformation and corrosion environment.","PeriodicalId":18723,"journal":{"name":"MM Science Journal","volume":"62 1","pages":"0"},"PeriodicalIF":0.6000,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"MM Science Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.17973/mmsj.2023_06_2023041","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, MECHANICAL","Score":null,"Total":0}
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Abstract
A new ultra-high strength steel with a fully austenitic microstructure and twinning-induced plasticity (TWIP) effect has been developed. TWIP effect gives this steel a good combination of high strength of over 1000 MPa and ductility of over 35%. This new steel has a high chromium content, which increases its corrosion resistance. By combining cold rolling and annealing, the steel has achieved a very fine austenitic microstructure with an average grain diameter of 2.85 µm. This steel could be used for structural applications or components that need to withstand high levels of stress, deformation and corrosion environment.
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