| Issue |
Matériaux & Techniques
Volume 73, Number 8-9, 1985
|
|
|---|---|---|
| Page(s) | E133 - E136 | |
| DOI | https://doi.org/10.1051/mattech/198573080133 | |
| Published online | 21 April 2017 | |
Influence de la structure eutectique dans l’alliage Al-Si sur le mécanisme de déformation
Influence of the eutectic structure in the Al-Si alloy on the mechanism of deformation
Ecole Polytechnique, Varsovie, Institut de Science de Matériaux, Varsovie
Abstract
Investigations have been carried out on the cracking process in the two-phase Al-Si alloys using an X-ray “sin2 ᴪ” method.
The relation has been established between specimen deformation during bending and the deformation of α-phase and Si-phase in a non-modified and modified Al-Si 7 alloys. In the sodium modified alloy nucleation of the cracks in Si crystals was observed at much higher deformation than in the non-modified one. This phenomenon is the effect of the very fine structure with small globular grains in the sodium modified alloy.
© SIRPE 1985
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