Microstructure of 08KH18N10T Austenitic Steel Mechanically Alloyed with Nanooxides of the Y^sub 2^O3 - ZrO2 System

Microstructure of 08KH18N10T Austenitic Steel Mechanically Alloyed with Nanooxides of the Y^sub 2^O3 - ZrO2 System

We study the influence of mechanical alloying with nanopowders of 80%Y2O3 -20% ZrO2 oxide on the microstructure of 08Kh18N10T austenitic steel. It is shown that mechanical alloying, cold compaction, and thermomechanical treatment of compacts lead to the formation of precipitates with predominantly c...

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Veröffentlicht in:Materials science (New York, N.Y.) N.Y.), 2016-05, Vol.51 (6), p.827
Hauptverfasser: Starostenko, S V, Voevodin, V M, Tykhonovs'kyi, M A, Danilenko, M I, Kal'chenko, O S, Velykodnyi, O M, Andrievs'ka, N F
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Sprache:eng
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Zusammenfassung:We study the influence of mechanical alloying with nanopowders of 80%Y2O3 -20% ZrO2 oxide on the microstructure of 08Kh18N10T austenitic steel. It is shown that mechanical alloying, cold compaction, and thermomechanical treatment of compacts lead to the formation of precipitates with predominantly crystal structure of Y2(Ti1-xZrx)2O7 -type oxides in steel. They are characterized by a high density (~7 · 1021m-3), a mean size of ~10 nm, and semicoherent boundaries with the austenitic matrix.
ISSN:1068-820X
1573-885X
DOI:10.1007/s11003-016-9908-2