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Design and analysis of a hybrid steel/composite pipe for high-pressure applications.

机译:用于高压应用的混合钢/复合管的设计和分析。

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摘要

Once limited almost exclusively to aerospace applications, the use of composite materials has become widespread among many high performance industries. Today's petroleum industry is requiring piping systems to sustain high pressures, impact, rugged handling, and harsh environmental conditions such as corrosion and temperature. Advances in the last decade of engineered materials have opened the way for more conversions from metal to composites.;The objective of this research is to develop a lightweight composite pipe that meets the performance requirements of an existing high-pressure steel pipe. This development is crucial to the petroleum industry where hydraulic-fracturing services are demanding lighter weight materials while maintaining low cost and high reliability. A hybrid steel/composite pipe was designed and analyzed using the finite element analysis (FEA) programs SDRCRTM I-DEASRTM and ABAQUSRTM. The design consisted of a thin-walled steel liner with a composite over-wrap. It employed the use of unique end fittings, which transfer longitudinal and torque loads from the steel to the composite. This research is believed to be the first instance where autofrettage is used on a metal lined composite pipe. Results from FEA were used to validate the design and fabricate a full-scale prototype. The prototype was successfully tested and exceeded maximum design pressure.
机译:一度几乎仅限于航空航天应用,复合材料的使用已在许多高性能行业中广泛普及。当今的石油工业要求管道系统承受高压,冲击,坚固的处理以及恶劣的环境条件(例如腐蚀和温度)。近十年来工程材料的发展为从金属到复合材料的更多转化开辟了道路。这项研究的目的是开发一种能够满足现有高压钢管性能要求的轻质复合材料管。这一发展对石油行业至关重要,在该行业中,水力压裂服务要求使用重量更轻的材料,同时又要保持低成本和高可靠性。使用有限元分析(FEA)程序SDRCRTM I-DEASRTM和ABAQUSRTM设计并分析了混合钢/复合管。设计由薄壁钢衬里和复合外包装组成。它采用了独特的端部配件,可将纵向和扭矩载荷从钢传递到复合材料。据信,这项研究是在金属衬里复合管上使用自动强化的首次实例。 FEA的结果用于验证设计并制造出完整的原型。该原型已成功测试,并超过了最大设计压力。

著录项

  • 作者单位

    West Virginia University.;

  • 授予单位 West Virginia University.;
  • 学科 Engineering Mechanical.;Engineering Materials Science.
  • 学位 M.S.M.E.
  • 年度 2001
  • 页码 191 p.
  • 总页数 191
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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