Forschungs- & Entwicklungsinformationsdienst der Gemeinschaft - CORDIS

Application and introduction of a radial strength test for tubes

The radial strength test according to ISO 2739 can be applied for CMC as well as for CFRP (reinforced polymers) tubes.

The test is independent from the wall thickness of the tube. Already tubular specimen with a length of 10mm, are sufficient to determine the radial strength by a tube compression test.

The test delivers comparable strength results, which are used as quality assurance for the manufacturing process of CMC and CFRP tubes. The method was already successfully tested for three applications.

The method cannot be used to determine material properties due to the complex loading conditions for the crushing test. The test can be simply applied on all cylindrical fibre reinforced tube samples.

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