This part of IEC 60793 contains descriptions of the five main test methods for the determination of stress corrosion susceptibility parameters.
The object of this standard is to establish uniform requirements for the mechanical characteristic of stress corrosion susceptibility for silica-based fibres. Dynamic fatigue and static fatigue tests are used to determine the (dynamic) nd value and (static) ns value of stress corrosion susceptibility parameters. Currently, only the nd-value is assessed against specification. Measured values greater than 18 per this procedure reflect the nd-value of silica, which is approximately 20. Higher values will not translate to demonstrable enhanced fatigue resistance.
DIN EN 60793-1-33 VDE 0888-233:2002-10
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