Effect of sizing agent on corrosion of glass fibres in water

Nagae, Shin; Otsuka, Yoshihisa

doi:10.1007/bf00419141

Cited by 3 publications

(2 citation statements)

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“…To evaluate the temperature effects on the leaching processes of metal ions out of the E-glass and both E-CR glass fibers additional tests were conducted using the EDS technique. Also, to determine the extent of the sizing effect [33], leaching of CaO and Al 2 O 3 from the fibers was estimated from the longitudinal and transverse fiber surfaces for comparison. Six independent tests were conducted per condition.…”

Section: Other Factors Contributing To Scc and Its Monitoringmentioning

confidence: 99%

“…SCC in GRP with E-glass fibers and a large family of polymer resins can be easily achieved in almost any corrosive environment in the presence of free hydrogen ions with and without externally applied mechanical tensile loads. It has been shown that the process depends on composite quality [1,2,11], resin type [9,12], type of acid [7,15,18,21,30], magnitudes of mechanical loads [8,10,28], acid concentrations, temperature [6,31,32], artificially introduced damage such as, for example, sandblasting [13,14] and many other less important factors [19,[33][34][35]. It has also been shown that SCC can be created in a variety of GRP samples such as beams [20], plates [2, 6, 9-12, 14, 30], rods [8,13,16,17,19,34], tubes [1,36] and others.…”

Section: Introductionmentioning

confidence: 99%

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Synergistic effects in stress corrosion cracking of glass reinforced polymer composites

Solis-Ramos

Kumosa

2017

Polymer Degradation and Stability

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Synergistic effects of nitric acid exposure, elevated temperature, applied flexural stress and time were examined in the Stress Corrosion Cracking (SCC) of widely used unidirectional Glass Reinforced Polymer (GRP) composites. The composites were composed of two different E-CR glass fibers with a vinylester-epoxy resin as the matrix with E-glass fibers in the same matrix used for a baseline comparison. SCC damage, as measured by the number of fiber cracks, amount of metallic ion leaching from the fibers, and the reduction of residual flexural strength and stiffness properties of the composites, affected the composites differently depending on their composition. As expected, the E-CR composites greatly outperformed the E-glass composites under all conditions. Long term exposure of the E-CR composites did not greatly increase the amount of stress corrosion fiber damage; instead, interface issues and matrix decomposition led to reduced mechanical properties over extended periods of time. The synergistic effect of the combined testing conditions was found to be much stronger in the E-glass than the E-CR glass composites.

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Section: Other Factors Contributing To Scc and Its Monitoringmentioning

confidence: 99%