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High Cycle Fatigue Properties of Aluminium Foams

Published online by Cambridge University Press:  10 February 2011

B. E. Zettl ,
S. E. Stanzl-Tschegg ,
R. Gradinger  and
H. P. Degischer
B. E. Zettl
Affiliation:
Institute of Meteorology and Physics, University of Agricultural Sciences, Austria, (zettl@mail.boku.ac.at)
S. E. Stanzl-Tschegg
Affiliation:
Institute of Meteorology and Physics, University of Agricultural Sciences, Austria, (zettl@mail.boku.ac.at)
R. Gradinger
Affiliation:
LKR-Centre of Competence on Light Metals, Ranshofen, Austria, (office@lkr.co.at)
H. P. Degischer
Affiliation:
Institute of Material Science, Vienna University of Technology, Austria, (sek308@pop.tuwien.ac.at)
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Abstract

Fatigue lifetime measurements have been performed on foamed Al-Mg-Si wrought alloys and Al-Si cast alloys in the high cycle range using an ultrasonic resonance testing method. The porous structure of the material is described by quantitative image analysis of optical micrographs and non destructively by X-ray computer tomography. The static mechanical properties as determined by tensile, compression and bending tests in earlier studies are used for material characterisation in this paper. The evaluation of the stress strain curves is specified for porous structures to obtain the stiffness and the plateau strength. The influence of the surface skin on the mechanical properties as well as on oscillation behaviour during lifetime measurements was studied.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 521: Symposium R – Porous & Cellular Materials for Structural Applications , 1998 , 97
Copyright
Copyright © Materials Research Society 1998

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References

REFERENCES

1. Degischer, H. P., Galovsky, U., Gradinger, R., Kretz, R., F. Simancik in Metallschäume, edited by Banhart, J. (Frauenhofer IFAM Symp. Metallschäume, MIT Bremen, 1997) pp. 79–90.Google Scholar
2. Klocker, T., Degischer, H. P., Kriszt, B., Knoblich, H., Falahati, A., Project sponsered by austrian federal ministry of science and transport, final report, (1997).Google Scholar
3. Gradinger, R., Simancik, F., H. P. Degischer in Int. Konf. ST-W&WP-BM-OM proceedings, Technical University Vienna (1997).Google Scholar
4. Stanzl, S., Ultrasonics 19, pp.296– 272, 6 (1981).Google Scholar
5. Stanzl-Tschegg, S., Mayer, H. R., Tschegg, E. K., Beste, A., Int. J. Fatigue 15, pp. 311–316, 4 (1993).Google Scholar
6. Gibson, L. J., Ashby, M. F., Cellular solids, Cambridge University Press, Cambridge, 1997, pp. 300–302 Google Scholar
7. Kottar, A., Kriszt, B., Degischer, H. P., Project sponsered by austrian federal ministry of science and transport, final report, (1997).Google Scholar
8. Papakyriakou, M., Mayer, H.R., Tschegg-Stanzl, S. E., Gröschl, M., Fatigue Fract. Engng. Mater. Struct. 18, p. 4,477 (1995).Google Scholar
9. Suresh, S., Fatigue of materials, Cambridge University Press, Cambridge, 1991, pp. 202–216 Google Scholar
10. Weber, M., PhD thesis, Technical University Clausthal, pp. 70–77, (1995).Google Scholar