Fatigue testing of interlocking Stainless Steel

Z. Chen, R. L. Reuben, D. G. Owen

    Research output: Contribution to journalArticle

    Abstract

    An interlock tube, usually made of stainless steel, is one of the key structural components for both bonded and unbonded flexible pipes of composite construction. The fatigue performance of this component is an important factor in determining the long term integrity of the entire pipe. This paper presents an experimental technique developed for the establishment of the basic fatigue characteristics of such interlock tubes. Details of the fatigue testing method, the specimen design, preparation and calibration procedures will be described in conjunction with tests carried out on 254 mm interlock tube samples. One of the most important results from this work is that, by careful design and machining of the specimen, the mode of failure seen in full scale pipe samples can be reproduced on small specimens in a laboratory using a fatigue machine. The significance of this is that it is possible to obviate the necessity for expensive full scale composite pipe testing, provided that an accurate description of the loading conditions imposed on components of the composite is available.

    Original languageEnglish
    Pages (from-to)137-142
    Number of pages6
    JournalStrain
    Volume28
    Issue number4
    DOIs
    Publication statusPublished - Nov 1992

    Fingerprint

    Fatigue testing
    Stainless steel
    Pipe
    Fatigue of materials
    Composite materials
    Machining
    Calibration
    Testing

    Keywords

    • Fatigue
    • flexible pipes
    • interlocking tube
    • stainless steel

    ASJC Scopus subject areas

    • Mechanics of Materials
    • Mechanical Engineering

    Cite this

    Chen, Z. ; Reuben, R. L. ; Owen, D. G. / Fatigue testing of interlocking Stainless Steel. In: Strain. 1992 ; Vol. 28, No. 4. pp. 137-142.
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    Fatigue testing of interlocking Stainless Steel. / Chen, Z.; Reuben, R. L.; Owen, D. G.

    In: Strain, Vol. 28, No. 4, 11.1992, p. 137-142.

    Research output: Contribution to journalArticle

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    AU - Owen, D. G.

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