Microanalysis of Al-Li alloys containing fine 6′ (Al3Li) precipitates

Abstract
Measurements of the plasma energy loss in aluminium alloys containing up to 12·9 at.% lithium are described. The energy loss of those alloys containing a fine dispersion of δ′ (Al3Li) precipitates can be explained in terms of direct superposition of the matrix and δ′ spectra. High-resolution microanalysis is possible when a fine dispersion of δ′ precipitates is present.