Resumen
ISO 844:2014 specifies a method of determining a) the compressive strength and corresponding relative deformation, or b) the compressive stress at 10 % relative deformation, and c) when desired, the compressive modulus of rigid cellular plastics.
There are two procedures:
- Procedure A employs crosshead motion for determination of compressive properties. Procedure A is intended to be used when compressive stress at 10 % relative deformation has to be determined.
- Procedure B employs strain measuring devices mounted on the specimen (contact extensometer) or similar device which measures directly sample deformation. Procedure B is intended to be used when compressive modulus has to be determined.
Informaciones generales
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Estado: RetiradaFecha de publicación: 2014-08Etapa: Retirada de la Norma Internacional [95.99]
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Edición: 6Número de páginas: 10
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Comité Técnico :ISO/TC 61/SC 10ICS :83.100
- RSS actualizaciones
Ciclo de vida
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Anteriormente
RetiradaISO 844:2007
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Ahora
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Revisada por
PublicadoISO 844:2021