Development of a robust and cost-effective graphite nanoplatelate-reinforced composite riser and its simultaneous condition monitoring.

开发坚固且经济高效的石墨纳米板增强复合立管及其同步状态监测。

• 批准号: 90736-2012
• 负责人: Taheri, Farid
• 金额: $ 2.11万
• 依托单位: Dalhousie University
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2015
• 资助国家: 加拿大
• 起止时间: 2015-01-01 至 2016-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=569013
• 关键词: Development; robust; cost; effective; graphite

There is strong evidence that oil and gas industry is interested in using risers (the pipe that extends up from the seafloor to a drilling platform) made of advanced fiber-reinforced composites (AFRP), because steel risers pose serious challenges when used in deep water (500-1,499 m) applications. Even, the use of AFRP for fabricating risers for use in ultra-deep water exploration (1,500 m and more) has been posing serious challenges. In addition, there are several challenges with respect to their in-service inspection necessary for assuring their intended service lives, since the conventionally used non-destructive testing methods are deemed expensive and impractical. The emergence of multifunctional nano-carbons in recent years has revolutionized the possibilities of design methodologies that could be potentially used in producing such demanding and complex systems. The inclusion of nanocarbon tubes in resins have been demonstrated, in most cases, to have increased the mechanical properties and toughness of the host resin, but at the laminate level, their inclusion could actually degrade the laminates mechanical properties; and, they are very expensive. Carbon nanoparticles (NCP), specifically, graphite nano-platelates, on the other hand, are more economical than other nanocarbons and a strategically and optimally established volume inclusion of GNP could produce useful enhancement in the mechanical properties of the composite. They can also make the composite peizoresistive and/or magnetoresistive, thus enabling them to act as sensors and/or actuators. GNP can therefore be used to produce hybrid AFRP risers with outstanding mechanical properties, cost-effectively, but at the same time, their presence can be exploited for monitoring the in-service condition of such demanding structures, in real-time. This project, therefore aims at selecting and incorporating the most effective and affordable GNP with the purpose of producing innovative, resilient and cost-effective FRP risers for use in deep waters, whose condition (health) could also be effectively monitored via the inherent conductive properties of the GNP.

有充分的证据表明，石油和天然气行业有兴趣使用立管（从海底延伸到钻井平台的管道）由高级纤维增强的复合材料（AFRP）制成，因为当钢提升物在深水（500-1,499 m）应用中使用时会带来严重的挑战。 即使使用AFRP用于制造提升物用于超深水勘探（1,500 m及以上），也在构成严重的挑战。 此外，由于常规使用的非毁灭性测试方法被认为是昂贵且不切实际的，因此在保证其预定服务生活所需的服务内检查方面存在一些挑战。 近年来，多功能纳米碳碳的出现彻底改变了设计方法的可能性，这些方法可能被用于生产这种苛刻且复杂的系统。 在大多数情况下，已经证明了在树脂中纳入纳米碳管的含量增加了宿主树脂的机械性能和韧性，但是在层压板水平上，它们的包含实际上可能会降解层状机械性能。而且，它们非常昂贵。另一方面，碳纳米颗粒（NCP），具体来说，石墨纳米平台比其他纳米碳更经济，并且在战略上且最佳建立的GNP包含GNP的体积可能会在复合材料的机械性能中产生有用的增强。 它们还可以使复合的脉络主义和/或磁磁性化，从而使它们充当传感器和/或执行器。因此，GNP可用于产生具有成本效益的机械性能出色的杂种AFRP立管，但同时，可以利用它们的存在来实时监测此类苛刻结构的服务条件。 因此，该项目旨在选择和纳入最有效，最负担得起的GNP，目的是生产创新的，具有弹性和具有成本效益的FRP立管以在深水中使用，其状况（健康）也可以通过GNP的固有导电性能有效地监测。