Specimen location

Distance from chill end (mm)

No. of Eutectic cells/cm2 (50× magnification)

Specimen A

Specimen B

Specimen C

Specimen D

Specimen E

30 (chill end)

190

168

142

84

72

70

174

150

130

78

74

105

106

108

104

76

74

145

106

96

96

76

74

180

96

96

90

74

74

225 (riser end)

70

70

72

74

74