抄録
A quantitative analysis of the tetragonal phase in Mg-PSZ by a standard X-ray powder diffraction method was carried out using the diffraction intensities with the Miller indices (311). The volume fraction of the tetragonal phase is shown to be given by
Vt=2.92/(1+0.991 X), where X={It(311)+Ic(311)}/It(113) which involves the diffraction intensities It and Ic of the corresponding tetragonal and cubic phases. The standard error of this method was estimated to be 4.5%. The present result is applicable to evaluate the tetragonal phase and the cubic phase in Mg-PSZ which contains the monoclinic phase less than 37%.
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