The O diffusivity in 4.2at%Cr alloy was deduced from emf measurements performed on solid electrolytic cells at 873 to 1373K. The O diffusivity in material with an O content of 0.6at% was described by the parameters: ln[Do(m2/s)] = -10.03 and E = 169kJ/mol.
J.S.Lee, C.J.Altstetter: Acta Metallurgica, 1986, 34[1], 131-8