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BS 7816-3:1998
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Determination of long-term radiation ageing in polymers Procedures for in-service monitoring of low-voltage cable materials
Hardcopy , PDF
English
15-07-1998
INTRODUCTION
1 Scope
2 Requirements of a monitoring technique
3 Techniques available
3.1 Local tests without sampling
3.1.1 Indenter
3.1.2 Sonic velocity
3.1.2 Near infrared reflectance
3.1.4 Torque tester
3.2 Local tests with microsampling
3.2.1 Infrared spectroscopy (IR)
3.2.2 Oxidation induction time (OIT)
3.2.3 Plasticizer content
3.2.4 Density
3.3 Global tests with spatial resolution
3.3.1 Time domain reflectometry (TDR)
3.3.2 Partial discharge (PD)
3.4 Global tests without spatial resolution
3.4.1 Time domain spectrometry (TDS)
3.4.2 Dielectric loss
3.4.3 Pass/fail tests
3.5 Paced tests
4 Summary
Tables
Figures
Annex A (informative) Bibliography
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