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Effect of Porosity on Strength and Electrical Conductivity of NiO-3.5YSZ Composite and Its Ni-3.5YSZ Cermet.

Authors :
Polishko, I.
Brodnikovskyi, Y.
Brodnikovskyi, D.
Vasyliv, B.
Podhurska, V.
Shevchenko, S.
Chedryk, V.
Andrzejczuk, M.
Vasylyev, O.
Source :
Powder Metallurgy & Metal Ceramics. Sep2017, Vol. 56 Issue 5/6, p293-304. 12p.
Publication Year :
2017

Abstract

The change in porosity of the Ni-3.5YSZ (ZrO stabilized with 3.5 mol.% YO) composite, when produced, and the effect of porosity on the strength and electrical conductivity is studied. The porosity was provided by adding granular starch to the mixture of NiO and 3.5YSZ powders. The content of 18 vol.% pore-forming agent in the Ni-3.5YSZ cermet provides open porosity 47.1%, while its strength and electrical conductivity are 74.3 MPa and 0.93 · 10 S/m, respectively. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
10681302
Volume :
56
Issue :
5/6
Database :
Academic Search Index
Journal :
Powder Metallurgy & Metal Ceramics
Publication Type :
Academic Journal
Accession number :
126090725
Full Text :
https://doi.org/10.1007/s11106-017-9897-1