Étude au microscope électronique et aux rayons X de la préprécipitation dans un alliage Al–10% Mg vieilli à la température ambiante

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Abstract
X-RAY AND ELECTRON-MICROSCOPE STUDY OF THE FIRST STAGES OF PRECIPITATION IN AL–10% MG AGED AT ROOM TEMPERATURE The slow hardening rate at room temperature for Al-10% Mg alloy is due to the first stages of a precipitation phenomenon. The satellite reflections observed with X-ray and electron beams can be attributed to the strain field of clusters, coherent with the matrix. These clusters have been imaged by electron microscopy under various contrast conditions; their structure appears to be tetragonal Al-Mg superlattice of the F.C.C. lattice.