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Pashinskaya E.,Donetsk Institute For Physics And Engineering Named After Aa Galkin Of The Nas Of Ukraine | Zavdoveev A.,Donetsk Institute For Physics And Engineering Named After Aa Galkin Of The Nas Of Ukraine | Zavdoveev A.,Paton Electrical Welding Institute of NAS of Ukraine | Mironov S.,Tohoku University | And 2 more authors.
International Journal of Materials Research | Year: 2016

The feasibility of drawing with shear of low-carbon steel for wire production was studied. The new approach was shown to be more effective in producing of homogeneous microstructure with refined grain size, reduced porosity and increased mechanical strength. These effects were attributed to a specific "twist" character of material flow. © Carl Hanser Verlag GmbH & Co. KG. Source


Gorban O.,Donetsk Institute For Physics And Engineering Named After Aa Galkin Of The Nas Of Ukraine | Synyakina S.,Donetsk Institute For Physics And Engineering Named After Aa Galkin Of The Nas Of Ukraine | Volkova G.,Donetsk Institute For Physics And Engineering Named After Aa Galkin Of The Nas Of Ukraine | Gorban S.,Donetsk Institute For Physics And Engineering Named After Aa Galkin Of The Nas Of Ukraine | And 2 more authors.
Journal of Solid State Chemistry | Year: 2015

The effect of the surface modification of the nanoparticles of amorphous and crystalline partially stabilized zirconia by fluoride ions on stability of the metastable tetragonal phase was investigated. Based on the DSC, titrimetry and FTIR spectroscopy data it was proven that surface modification of the xerogel resulted from an exchange of the fluoride ions with the basic OH groups. The effect of the powder pre-calcination temperature before modification on the formation of metastable tetragonal phase in partially stabilized zirconia was investigated. It was shown that the main factor of tetragonal zirconia stabilization is the state of nanoparticles surface at pre-crystallization temperatures. © 2015 Elsevier Inc. All rights reserved. Source

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