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ISO 19618:2025

Fine ceramics (advanced ceramics, advanced technical ceramics) — Measurement method for normal spectral emissivity using blackbody reference with an FTIR spectrometer

Publication date:   Jan 13, 2025

General information

60.60   Standard published   Jan 13, 2025

ISO

ISO/TC 206 Fine ceramics

International Standard

81.060.30   Advanced ceramics

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Scope

This document specifies a method used for the determination of normal spectral emissivity and normal quasi-total emissivity of fine ceramics using blackbody reference with a Fourier transform infrared spectrometer (FTIR) at elevated temperatures. This method is applicable to fine ceramics, ceramic matrix composites, and continuous fibre-reinforced ceramic matrix composites which are opaque and highly non-reflective at wavelengths between 1,67 μm and 25 μm. The applicable temperature range is approximately 350 K to 1 100 K.

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ISO 19618:2017

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ISO 19618:2025
60.60 Standard published
Jan 13, 2025