Test Specimen for Fatigue Tests
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Test specimen for fatigue tests
Specimen shapes for fatigue tests
The application of methods for experimentally determining fatigue behaviour (see: fatigue) is not limited to the standardised test specimen shapes according to DIN 53442. In accordance with the standard, test specimen with the dimensions shown in Fig. 1a are used. The thickness h of the test specimen may be between 2 and 8 mm, with 4 mm thick test specimen being preferable. In addition to the standardised test specimen shapes, strip test specimens, various shapes of shoulder bars and compact test specimen can also be used (see Fig. 1b).
| Fig. 1: | Test specimen shape and dimensions according to DIN 53442 (a) and test specimen shapes for fatigue tests (b) |
See also
References
- Bierögel, C., Grellmann, W.: Fatigue Loading. In: Grellmann, W., Seidler, S.: Mechanical and Thermomechanical Properties of Polymers. Landolt-Börnstein. Volume VIII/6A3, Springer, Berlin (2014) pp. 241–285 (ISBN 978-3642-55165-9; see AMK-Library under A 16)
- Höninger, H.: Fatigue Behavior. In: Grellmann, W., Seidler, S. (Eds.): Polymer Testing. Carl Hanser, Munich (2022) 3rd Edition, pp. 160/161 (ISBN 978-1-56990-806-8; E-Book: ISBN 978-1-56990-807-5; see AMK-Library under A 22)
- DIN 50100 (2022-12): Load Controlled Fatigue Testing – Execution and Evaluation of Cyclic Tests at Constant Load Amplitudes on Metallic Specimens and Components
- DIN 53442 (1990-09): Flexural Fatigue Testing of Plastics using Flat Specimens
- ISO 3385 (2014-07): Flexible Cellular Polymeric Materials – Determination of Fatigue by Constant-load Pounding