Processing of submicrometric CaTi0.8Fe0.2O3-δ ceramics by mechanical activation

Fuentes, Rodolfo O.; Chinarro, E.; Figueiredo, Filipe M.; Soares, M.R.; Marques, F.M.B.; Frade, J.R.

doi:10.1007/s10853-006-0812-2

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2012

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“…A detailed description of the processing procedures is presented elsewhere. 14 The oxygen permeability was measured with the usual system consisting of an oxygen sensor and an oxygen electrochemical pump, both of stabilised zirconia, sealed onto the membrane under analysis. [4][5][6] The oxygen gradient across the sample membrane is established between atmospheric air (Po 2 = 21 kPa), at the feed side (P 2 ), and a lower value (typically from 15 down to 1.3 kPa), at the permeate side (P 1 ), obtained by pumping oxygen out of the chamber.…”

Section: Methodsmentioning

confidence: 99%