Damage development in pultruded composites for optical telecommunications cables under tensile and flexural fatigue
Source abstract
Abstract
This paper investigates the long-term behaviour of pultruded glass-fibre composites, which are used as load-bearing components in optical telecommunications cables. Both flexural and tensile fatigue tests were conducted using the materials in their commercial product forms. Fatigue damage progression was monitored on-line by the acoustic emission technique. Damage accumulation was quantified by the stiffness loss evaluated from the change of resonance frequency in a free vibration test. The resonance measurement is able to determine modulus degradation to an accuracy of 0.01%. A definition of fatigue failure under tensile and flexural fatigue is proposed. Fatigue damage development is discussed and is found to be dependent on stress level and stress history.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Mechanical Behavior of Composites · Advanced Fiber Optic Sensors · Integrated Circuits and Semiconductor Failure Analysis
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References (18)
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