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PD IEC/TS 61244-1:2014

Current

Current

The latest, up-to-date edition.

Determination of long-term radiation ageing in polymers Techniques for monitoring diffusion-limited oxidation

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

09-30-2014

FOREWORD
INTRODUCTION
1 Scope
2 Profiling techniques to monitor diffusion-limited
  oxidation
3 Theoretical treatments of diffusion-limited oxidation
4 Permeation measurements
5 Oxygen consumption measurements
6 Comparison of theory with experimental results
7 Oxygen overpressure technique
8 Summary
Annex A (informative) - Derivation of theoretical treatment
        of diffusion-limited oxidation
Bibliography

Examines experimental techniques to quantitatively monitor the effects when oxygen is present during ageing of polymers in various environments including temperature, radiation or ultraviolet.

This part of IEC TS 61244, which is a technical specification, reviews experimental techniques to quantitatively monitor the effects when oxygen is present during ageing of polymers in various environments including temperature, radiation or ultraviolet.

Inhomogenous ageing effects caused by diffusion-limited oxidation are often encountered and provide theoretical equations to estimate their importance. These effects make it difficult to understand the ageing process and to extrapolate accelerated exposure to long-term conditions.

It is widely known that mechanical properties degrade prior to electrical properties.These changes are consequences of chemical changes such as oxidation. In this technical specification, only mechanical or chemical monitoring techniques are of interest.

This technical specification does not deal with electrical monitoring techniques.

Committee
GEL/112
DevelopmentNote
Supersedes BS 7816-1(1995). (09/2014)
DocumentType
Standard
Pages
44
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
IEC TS 61244-1:2014 Identical

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