Creation of nanostuctures by extreme conditions : high-pressure synthesis of ultrahard nanocrystalline cubic boron nitride

Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Détails bibliographiques
Publié dans:Advanced materials (Deerfield Beach, Fla.). - 1998. - 24(2012), 12 vom: 22. März, Seite 1540-4
Auteur principal: Solozhenko, Vladimir L (Auteur)
Autres auteurs: Kurakevych, Oleksandr O, Le Godec, Yann
Format: Article en ligne
Langue:English
Publié: 2012
Accès à la collection:Advanced materials (Deerfield Beach, Fla.)
Sujets:Journal Article Research Support, Non-U.S. Gov't Boron Compounds boron nitride 2U4T60A6YD
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520 |a The synthesis of high-purity bulk nanostructured cubic boron nitride (cBN) at 20 GPa and 1770 K by direct phase transformation of graphite-like BN with an "ideal random layer" structure is reported. The two-times increase of hardness of nano-cBN (H(V) = 85 GPa) with respect to conventional polycrystalline cBN (H(V) ∼ 45 GPa) is evidently a result of nanosize effects 
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