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IEC TS 61244-2

Determination of Long-Term Radiation Ageing in Polymers - Part 2: Procedures for Predicting Ageing at Low Dose Rates

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Organization: IEC
Publication Date: 1 February 1996
Status: inactive
Page Count: 60
ICS Code (Insulating materials in general): 29.035.01
ICS Code (Radiation measurements): 17.240
ICS Code (Paper and board insulating materials): 29.035.10
scope:

Scope and object

This part of IEC 1244 is a technical report of type 2 which applies to procedures for predicting ageing at low dose rates.

The object of this report is to present three methods which have been used to extrapolate data obtained from high dose rate experiments to the low dose rates typical of service conditions. These methods assume that homogeneous oxidation has been achieved under the test conditions. The techniques described in the following clauses are research methods which have been found to be useful for a range of elastomeric and thermoplastic materials and some thermosets, and are subject to continuing research. The procedures require a considerable number of test data to enable predictions to be made under low dose rate conditions. The power law extrapolation method (clause 2) has mainly been used for isothermal data whereas the superposition methods (clauses 3 and 4) can make use of data obtained over a range of temperatures.

Document History

August 1, 2014
Determination of long-term radiation ageing in polymers – Part 2: Procedures for predicting ageing at low dose rates
This part of IEC TS 61244, which is a technical specification, applies to procedures for predicting ageing of polymeric materials at low dose rates. The object is to present three methods which can...
IEC TS 61244-2
February 1, 1996
Determination of Long-Term Radiation Ageing in Polymers - Part 2: Procedures for Predicting Ageing at Low Dose Rates
Scope and object This part of IEC 1244 is a technical report of type 2 which applies to procedures for predicting ageing at low dose rates. The object of this report is to present three methods...

References

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