Overview
IEC 60793-1-31:2010 - "Optical fibres - Part 1-31: Measurement methods and test procedures - Tensile strength" specifies a uniform method to measure the tensile strength of individual, uncabled optical fibre sections. This international standard defines apparatus, sample preparation, controlled loading (stress or strain) to failure, environmental conditioning, and statistical reporting of results (e.g., Weibull analysis). The 2010 edition expands practical guidance - notably examples of fibre clamping and gripping techniques included in Annexes A, B and C.
Key topics and technical requirements
Practical applications
- Quality control and incoming inspection for fibre manufacturers and component suppliers.
- Reliability characterization for R&D and materials development (coatings, diameter variants, environmental aging).
- Statistical strength distribution generation for lifetime and reliability projections (in conjunction with IEC TR 62048).
- Failure analysis and benchmarking of production lots or process changes.
Who should use this standard
- Optical fibre manufacturers and process engineers
- Independent test laboratories and certification bodies
- R&D teams working on fibre coatings, aging, and fracture mechanics
- Quality assurance and reliability engineers in telecom, data center and sensing industries
Related standards
- IEC 60793-1-20 - Fibre geometry measurement methods
- IEC 60793-1-21 - Coating geometry measurement methods
- IEC TR 62048 - Guidance on reliability projections using failure-stress distributions
Keywords: IEC 60793-1-31, tensile strength, optical fibres, measurement methods, test procedures, Weibull, gauge length, strain rate, capstan, environmental control.