Determining the Size of Pores in a Partially Transparent Ceramics from Total-Reflection Spectra


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详细

A technique is proposed for determining the pore-size distribution based on measuring the dependence of total reflectance in the domain of partial transparency of a material. An assumption about equality of scattering-coefficient spectra determined by solving the inverse radiation transfer problem and by theoretical calculation with the Mie theory is used. The technique is applied to studying a quartz ceramics. The poresize distribution is also determined using mercury and gas porosimetry. All three methods are shown to produce close results for pores with diameters of <180 nm, which occupy ~90% of the void volume. In the domain of pore dimensions of >180 nm, the methods show differences that might be related to both specific procedural features and the structural properties of ceramics. The spectral-scattering method has a number of advantages over traditional porosimetry, and it can be viewed as a routine industrial technique.

作者简介

R. Mironov

Romashin ORPE Tekhnologiya

编辑信件的主要联系方式.
Email: manarom@yandex.ru
俄罗斯联邦, Obninsk, 249031

M. Zabezhailov

Romashin ORPE Tekhnologiya

Email: manarom@yandex.ru
俄罗斯联邦, Obninsk, 249031

I. Georgiu

Romashin ORPE Tekhnologiya

Email: manarom@yandex.ru
俄罗斯联邦, Obninsk, 249031

V. Cherepanov

Moscow Aviation Institute

Email: manarom@yandex.ru
俄罗斯联邦, Moscow, 125993

M. Rusin

Romashin ORPE Tekhnologiya

Email: manarom@yandex.ru
俄罗斯联邦, Obninsk, 249031

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