Standard Test Method for Thermal Conductivity of Solids Using the Guarded-Comparative-Longitudinal Heat Flow Technique


Importancia y uso:

5.1 The comparative method of measurement of thermal conductivity is especially useful for engineering materials including ceramics, polymers, metals and alloys, refractories, carbons, and graphites including combinations and other composite forms of each.

5.2 Proper design of a guarded-longitudinal system is difficult and it is not practical in a method of this type to try to establish details of construction and procedures to cover all contingencies that might offer difficulties to a person without technical knowledge concerning theory of heat flow, temperature measurements, and general testing practices. Standardization of this test method is not intended to restrict in any way the future development by research workers of new or methods or improved procedures. However, new or improved techniques must be thoroughly tested. Requirements for qualifying an apparatus are outlined in Section 10.

Subcomité:

E37.05

Referida por:

C1671-20A, E1652-21, C1470-20, D5470-17R24, D1039-16R22

Volúmen:

14.01

Número ICS:

17.200.10 (Heat. Calorimetry)

$ 1,196

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Norma
E1225

Versión
25a

Estatus
Active

Clasificación
Test Method

Fecha aprobación
2025-09-01