Vol. 7 5, 2017 p 76-87


Article name, authors, abstract and keyword


Testing of composite repairs according to ISO & ASME standards and beyond

J. Schoene a

a Henkel AG & Co. KGaA, 3, Gutenberg Str., Garching near Munich, 85748, Germany


Abstract: Henkel Loctite Company has developed a composite repair system. Henkel operates with its standard repair system up to 80 C and with a newly developed hightemperature system up to 130 C. In addition to the testing program required by ISO and ASME, a range of further experimental investigations, exceeding the requirements of the repair standards, has been carried out to show the performance and robustness achievable by composite. Important topics covered include tests on cyclic pressure loads, the fatigue strength of the composite, and permeation resistance vs. gaseous hydrocarbons. Furthermore, a FEM model has been developed that specifically enables the design of repair cases, which are not usually described in detail by the repair standards, like the repair of dents. The combination of these methods clarifies further details and improves our understanding of composite repair reliability.

Keywords: composite repairs, composite materials, composite repair system, fiber reinforced polymer, pipeline repair, steel sleeve, ISO standards, ASME standards, certification, adhesion, heat deflection temperature, dynamic mechanical analysis

Reference for citing:
Schoene J. Testing of composite repairs according to ISO & ASME standards and beyond. Naukatekhnol. truboprov. transp.neftiinefteprod. = Science & Technologies: Oil and Oil Products Pipeline Transportation. 2017;7(5):7686.

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