The coarsening behavior of rod-shaped α-Fe particles in Cu−1.3 wt% Fe and Cu−1.3 wt% Fe−1.2 wt% Sb alloys during aging at 700 °C has been studied by transmission electron microscopy and electric resistivity. The kinetics of the decay of supersaturation with aging

No abstract

No abstract

No abstract

In this paper, the crystallization of the glass with Y 2 Si 2 O 7 -mullite eutectic composition was examined. A dendrite Y 2 Si 2 O 7 crystalline grows from the surface of the glass bulk at 1302 K. A competitive growth of Y 2 Si 2 O 7 phase and mullite phase occurs at 1430 K. The activation energy for the competitive growth can be estimated to 329 kJ/mol. The activation energy for the crystallization of hypoeutectic and hypereutectic composition increases with increasing the amount of the primary phase.