IEC 60793-1-31:2019
光纤 - 第1-31部分:测量方法和测试程序 - 拉伸强度

Optical fibres - Part 1-31: Measurement methods and test procedures - Tensile strength

标准号

IEC 60793-1-31:2019

发布

2019年

发布单位

国际电工委员会

当前最新

IEC 60793-1-31:2019

 

 

适用范围

This part of IEC 60793 provides values of the tensile strength under dynamic loading of optical fibre samples. The method tests individual lengths of uncabled and unbundled glass optical fibre. Sections of fibre are broken with controlled increasing stress or strain that is uniform over the entire fibre length and cross section. The stress or strain is increased at a nominally constant rate until breakage occurs. The distribution of the tensile strength values of a given fibre strongly depends on the sample length@ loading velocity and environmental conditions. The test can be used for inspection where statistical data on fibre strength is required. Results are reported by means of statistical quality control distribution. Normally@ the test is carried out after temperature and humidity conditioning of the sample. However@ in some cases@ it can be sufficient to measure the values at ambient temperature and humidity conditions. This method is applicable to categories A1@ A2@ and A3@ and classes B and C optical fibres. The object of this document is to establish uniform requirements for the mechanical characteristic: tensile strength.

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