PD IEC/TR 62048:2014
Current
The latest, up-to-date edition.
Optical fibres. Reliability. Power law theory
Hardcopy , PDF
English
22-01-2014
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Symbols
4 General approach
5 Formula types
6 Measuring parameters for fibre reliability
7 Examples of numerical calculations
8 Fibre weakening and failure
9 Fatigue testing
10 Proof-testing
11 Statistical description of strength by Weibull
probability models
12 Reliability prediction
13 B-value: elimination from formulae, and
measurements
Annex A (informative) - Statistical strength
degradation map
Bibliography
Provides formulae to estimate the reliability of fibre under a constant service stress based on a power law for crack growth.
| Committee |
GEL/86/1
|
| DevelopmentNote |
Supersedes 98/262608 DC. (09/2002)
|
| DocumentType |
Standard
|
| Pages |
70
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This technical r eport is a guideline that gives formulae to estimate the reliability of fibre under a constant service stress based on a power law for crack growth.
NOTE Power law is derived empirically, but there are other laws which have a more physical basis (for example, the exponential law). All these laws generally fit short -term experimental data well but lead to different long -term predictions. The power law has been selected as a most reasonable representation of fatigue behaviour by the experts of several standard-formulating bodies.
| Standards | Relationship |
| IEC TR 62048:2014 | Identical |
| IEC 60793-1-31:2010 | Optical fibres - Part 1-31: Measurement methods and test procedures - Tensile strength |
| IEC 60793-1-30:2010 | Optical fibres - Part 1-30: Measurement methods and test procedures - Fibre proof test |
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