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首页> 外文期刊>Journal of Failure Analysis and Prevention >Tensile Strength Alteration of GFRP Composite Pipes Under Seawater-Dominated Conditions
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Tensile Strength Alteration of GFRP Composite Pipes Under Seawater-Dominated Conditions

机译：海水主导条件下GFRP复合管的拉伸强度改变

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摘要

Glass fiber-reinforced epoxy composite pipes are used in submarine applications, natural gas, and oil transportation lines, transfer of chemical liquids. Especially in the transport of pressurized fluids, changes in the strength of the pipes are important. The corrosive effect of seawater has an important impact on the mechanical properties of the composite material. In particular, the alteration in hoop tensile strength is one of the issues to be investigated. In this experimental study, glass fiber-reinforced epoxy resin composite pipes were exposed to the seawater aging process for different time periods (1, 2 and 3 months) in order to determine the effects of seawater absorption behavior on hoop tensile strength. Hoop tensile strength test was realized in accordance with ASTM D2290 Procedure A. As a result of this work, the average tensile strength values of the composite pipes decreased as the waiting times in seawater increased.
机译：玻璃纤维增强的环氧复合管用于潜艇应用，天然气和油输送线，转移化学液体。 特别是在加压流体的运输中，管道强度的变化很重要。 海水的腐蚀作用对复合材料的力学性能产生了重要影响。 特别地，箍拉伸强度的改变是要研究的问题之一。 在该实验研究中，玻璃纤维增强的环氧树脂复合管在不同的时间段（1,2和3个月）下暴露于海水老化过程，以确定海水吸收行为对箍拉伸强度的影响。 根据ASTM D2290程序A实现了箍拉伸强度试验。由于这项工作，随着海水的等待时间增加，复合管的平均拉伸强度值降低。

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