Viscosity of yttrium oxide (Y2O3) and magnesium-aluminum spinel (MgAl2O4) nanopowder suspensions in ethyl alcohol

• Autorzy: Cholewa, M. , Żyła, G. , Plog, J. P. , Lehmann, V. , Gross, D.
• Języki publikacji: EN

Abstrakty

EN

We report results of rheological experiments on suspensions of nanopowders. In this work we have used two ceramic nanopowders such as magnesium-aluminum spinel (S30CR Baikowski – MgAl2O4) and yttrium oxide (Y2O3) suspended in ethyl alcohol. Rheological studies have been carried out using several experimental systems including Haake Mars 2 rheometer (Thermo Electron Corporation, Karlsruhe, Germany) and Rheo-NMR (Bruker BioSpin, Rheinstetten, Germany). Measurements of dynamic viscosity in the range of shear rates from 0,01 s-1 to 2000 s-1 and the temperature range from -15°C to 20°C has been conducted. Most of the samples exhibited a non-Newtonian nature.

Słowa kluczowe

EN

rheology; rheo-NMR; viscosity; nanopowder; nanofluids; nanosuspensions

• Czasopismo: Archives of Mechanics
• Rocznik: 2013
• Tom: Vol. 65, nr 2
• Strony: 131-142
• Opis fizyczny: Bibliogr. 30 poz.

Twórcy

autor

Cholewa, M.

autor

Żyła, G.

autor

Plog, J. P.

autor

Lehmann, V.

autor

Gross, D.

• Department of Physics Rzeszów University of Technology Rzeszów, Poland,

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