IEC 60216-8-ed.1.0

Detail information

Designation: IEC 60216-8-ed.1.0

Publication date: 15/03/2013

Pages: 38

Country: International technical standard

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Anotation

IEC 60216-8:2013 specifies the general ageing conditions and simplified procedures to be used for deriving thermal endurance characteristics, which are shown by temperature index (TI) and/or relative temperature index (RTI) and the halving interval (HIC). The procedures specify the principles for evaluating the thermal endurance properties of materials exposed to elevated temperature for long periods. In the application of this standard, it is assumed that a practically linear relationship exists between the logarithm of the time required to cause the predetermined property change and the reciprocal of the corresponding absolute temperature (Arrhenius relationship). For the valid application of the standard, no transition, in particular no first-order transition should occur in the temperature range under study. La CEI 60216-8:2013 specifie les conditions de vieillissement generales et les procedures simplifiees a utiliser pour deduire les caracteristiques dendurance thermique, qui sont representees par lindice de temperature (IT) et/ou lindice de temperature relatif (RTI) et lintervalle de division par deux (IDC). Les procedures specifient les principes regissant levaluation des proprietes dendurance thermique des materiaux exposes a une temperature elevee pendant de longues periodes. Dans le cadre de lapplication de la presente norme, on considere quil existe une relation pratiquement lineaire entre le logarithme du temps necessaire pour provoquer le changement de propriete predetermine et linverse de la temperature absolue correspondante (relation dArrhenius). Pour que lapplication de la presente norme soit valide, il convient quaucune transition, en particulier aucune transition du premier ordre, ne se produise dans la plage de temperatures a letude.