ABSTRACT
Figure 95. Electrical resistivity of the alloy Mg-2.5 mass % Nd versus ageing time at 200°C.
Effect of Cold Deformation on Kinetics of Solid Solution Decomposition and
Accompanying Transformation in Structure
Plastic deformation accelerates decomposition of M g solid solution. In addition to the
noted shift of the strength property maxima to the lower ageing temperatures after cold
deformation (Figure 94) there is the direct proof of this effect obtained by electrical resisti-
vity measurements [239]. They are illustrated by data presented in Figure 95. Samples of
the alloy M g - 2 . 5 mass % N d were solution treated by quenching from 535°C and then
aged at 200°C. Before ageing one of the samples was cold deformed 10% by stretching.
