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EVS-EN ISO 19628:2021

Fine ceramics (advanced ceramics, advanced technical ceramics) - Thermophysical properties of ceramic composites - Determination of specific heat capacity (ISO 19628:2017)

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Kehtiv alates 15.03.2021
Alusdokumendid
ISO 19628:2017; EN ISO 19628:2021
Direktiivid või määrused
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Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
15.03.2021
Põhitekst
09.01.2009
Parandus
01.06.2003
Põhitekst
ISO 19628:2017 describes two methods for the determination of the specific heat capacity of ceramic matrix composites with continuous reinforcements (1D, 2D, 3D). Unidirectional (1D), bi-directional (2D) and tridirectional (XD, with 2 < x ≤ 3). The two methods are: - method A: drop calorimetry; - method B: differential scanning calorimetry. They are applicable from ambient temperature up to a maximum temperature, depending on the method: method A can be used up to 2 250 K, while method B is limited to 1 900 K. NOTE Method A is limited to the determination of an average value of the specific heat capacity over a given temperature range and can give a larger spread of results.
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