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  • BSI
    BS ISO 21821:2019 Fine ceramics (advanced ceramics, advanced technical ceramics). Determination of densification properties of ceramic powders on natural sintering
    Edition: 2019
    $313.97
    / user per year

Description of BS ISO 21821:2019 2019

This document specifies the test method to determine the extent to which ceramic powder compacts made of granulated or ungranulated ceramic powders are densified, when they are sintered at a high temperature without the application of any external pressure or external densification force. The test method is applicable to pure oxides, mixtures of oxides and solid solutions, and is also applicable to non-oxides (e.g. carbides, nitrides) that can be sintered under vacuum or constant gas pressure (1 bar or less) to prevent oxidation or decomposition. The test method is not applicable to ceramics that can only be sintered using pressure-assisted sintering techniques such as hot pressing (HP), hot isostatic pressing (HIP), gas pressure sintering (GPS) or spark plasma sintering (SPS). Inorganic sintering additives can be used where their presence is reported.



Standard NumberBS ISO 21821:2019
TitleFine ceramics (advanced ceramics, advanced technical ceramics). Determination of densification properties of ceramic powders on natural sintering
StatusWithdrawn
Publication Date2019-11-04
Withdrawn Date2023-02-06
Identical National Standard OfISO 21821
DescriptorsSintering, Powder, Properties, Special ceramics, Ceramics
ICS81.060.30 Advanced ceramics
CommitteeRPI/13
ISBN978 0 580 95863 2
PublisherBSI
Pages20

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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