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BSI PD IEC/TR 62627-03-01:2011

BSI PD IEC/TR 62627-03-01:2011

$102.76

Fibre optic interconnecting devices and passive components – Reliability. Design of an acceptance test for fibre pistoning failure of connectors during temperature and humidity cycling. Demarcation analysis

Published By Publication Date Number of Pages
BSI 2011 22
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This part of IEC 62627 gives an example of the design of an acceptance test for ferrule style connectors when the dominant failure mode is fibre pistoning. The example applies to connectors which use epoxies or other adhesive polymers to bond the fibre into a ferrule. It combines existing evidence, mechanistic hypotheses and the demarcation approximation to develop an accelerated environmental exposure sequence that can be used on a pass-only basis to help ensure reliable service. This technical report was developed to serve only as an example of how accelerated acceptance tests can be designed. It is not intended as a normative standard for any specific application.

PDF Catalog

PDF Pages PDF Title
4 CONTENTS
5 FOREWORD
7 INTRODUCTION
8 1 Scope
2 Optical fibre connectors and the pistoning failure mode
3 Demarcation map theory for thermally activated processes
3.1 Concept of demarcation energy
9 Figure 1 – Reaction extent as a function of activation energy compared to the ∆k1t function
10 3.2 Demarcation maps
Figure 2 – Demarcation maps for service life and accelerated test of example in 4.2
11 4 Plausible physical effects in a model of the degradation process associated with fibre pistoning
4.1 General
12 4.2 Simple temperature humidity models
Table 1 – Accelerated test index of coverage for simple temperature-humidity model
13 4.3 Temperature humidity models with diffusion
4.4 A model of delamination
14 Figure 3 – Schematic for the delamination process
15 4.5 A model of stress relaxation
16 4.6 Two models bounding cyclic hysteresis
18 5 Summary of results and discussion
Table 2 – Index of coverage, numerical experiments
20 Bibliography

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BSI PD IEC/TR 62627-03-01:2011
$102.76