Thermomechanical treatment of steel using severe plastic deformation and cryogenic cooling

•Cryogenic cooling during HPT processing leads to more intensive grain grinding.•After 8 deformation cycles the structure with grain size of 30–40 nm was obtained.•Strength parameters were increased by 3.3–4 times.•Cryogenic cooling during HPT processing leads to more intensive grain grinding.•After...

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Veröffentlicht in:	Materials letters 2021-12, Vol.304, p.130598, Article 130598
Hauptverfasser:	Volokitin, Andrey, Naizabekov, Abdrakhman, Volokitina, Irina, Lezhnev, Sergey, Panin, Evgeniy
Format:	Artikel
Sprache:	eng
Schlagworte:	Austenitic stainless steels Cryogenic cooling Cryogenic temperature Deformation Deformation effects High-pressure torsion Materials science Mechanical properties Microstructure Plastic deformation Severe plastic deformation Stainless steel Stress–strain state Thermomechanical treatment
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