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On the mechanical behavior of aluminum alloys reinforced by long or short alumina fibers or SiC whiskers |
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| Authors: | M Touratier and A B akou J Y Chatellier |
| Affiliation: | Laboratoire Génie de Production-ENIT, B.P. 1629-65016, Tarbes Cedex, France Establissement Technique Central de l'Armement, 16-bis, avenue Prieur de la Côte d'Or, 94114, Arcueil Cedex, France |
| Abstract: | This study was initiated to examine the dispersion of longitudinal and transverse waves in metal matrix composites in order to obtain the dynamic elastic modulus and to evaluate various models for predicting the composite's macroscopic elastic constants from the properties of its constituents. The materials chosen for this investigation were alumina continuous fibers on the one hand and alumina and SiC short fibers on the other hand, all embedded in an aluminum alloy matrix. In addition, some indications have been obtained experimentally for the acoustoelastic effect in the composite. |
| Keywords: | matrix metallic composite non-linear mechanisms wave propagation homogenization technique asymptotic expansion prestress effects |
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