Journal of Metallurgy / 2013 / Article / Tab 1

Research Article

Columnar-to-Equiaxed Transition in Metal-Matrix Composites Reinforced with Silicon Carbide Particles

Table 1

Liquidus temperature ( ), solidus temperature ( ), cooling rate in the liquid ( ), cooling rate in the solid ( ), liquidus interphase velocity ( ), minimum CET position (CETMIN.), maximum CET position (CETMAX.), critical gradients ( ), and recalescence values ( ) obtained from the temperature versus time curves.

Experiment numberAlloy and composite
(K)

(K)

(K/s)

(K/s)

(K/s)
CETMIN.
(mm)
CETMAX.
(mm)

(K/mm)

(°C)

1Zn-27 wt.% Al (ZA27)778.2709.73.31.11.053587−0.092.4
2Zn-27 wt.% Al (ZA27)778.2709.72.20.81.421440.061.1
3ZA27 + 5vol% SiC767.8 710.22.80.91.22648−3.892.3
4ZA27 + 5vol% SiC767.8 710.23.41.02.44163−1.522.5
5ZA27 + 8vol% SiC762.3 706.7 3.11.01.63146−1.552.9
6ZA27 + 8vol% SiC762.3 706.7 2.30.81.352143−1.13.5
7ZA27 + 16vol% SiC759.1703.53.41.01.853954−2.491.3
8ZA27 + 16vol% SiC759.1703.52.10.80.91743−1.013.0

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