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Failure analysis of braided U-shaped metal bellows flexible hoses.

机译:编织的U形金属波纹管挠性软管的失效分析。

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摘要

Most of the research performed extensively reviews the effects of non-reinforced metal bellows and their pressurized characteristics. However, the majority of flex hoses are manufactured with reinforcement by the means of interweaved wire braids. For this research, the outer braid reinforced metal bellows flex hoses will be examined for their failure at differing lengths. The relationship with the bellows expansion joints is such that as the length of the flex hoses increases, the pressure at which squirm occurs decreases. As such, for the testing being performed, the same approach to failure is expected. As the length of the flex hose increases, it is predicted that the hose will fail at a decreasing pressure. Since the braid is the only thing that prevents the squirm from occurring, more of the load will be displaced from the bellows and into the braid. This will ultimately cause failure of the braid to occur at a lower pressure as the length of the hoses increase due to more of the load being transmitted from the bellows and into the braid.
机译:进行的大多数研究都对非增强金属波纹管的作用及其受压特性进行了广泛的综述。然而,大多数的挠性软管是通过编织的金属编织带加强制造的。对于这项研究,将检查外部编织增强金属波纹管挠性软管在不同长度下的失效情况。与波纹管伸缩缝的关系是,随着挠性软管长度的增加,蠕动发生的压力减小。这样,对于正在执行的测试,可以预期出现相同的故障方法。随着挠性软管的长度增加,预计软管将在压力降低时发生故障。由于编织物是唯一防止蠕动发生的东西,因此更多的负载将从波纹管转移到编织物中。由于更多的负载从波纹管传递到编织物中,这将最终导致编织物的故障在较低的压力下发生,因为软管的长度增加了。

著录项

  • 作者

    Pierce, Stephen O.;

  • 作者单位

    The University of Alabama in Huntsville.;

  • 授予单位 The University of Alabama in Huntsville.;
  • 学科 Engineering Aerospace.;Engineering Mechanical.
  • 学位 M.S.
  • 年度 2010
  • 页码 84 p.
  • 总页数 84
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 TS97-4;
  • 关键词

  • 入库时间 2022-08-17 11:37:26

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