Sl No

Sample

Weight (%) zircon sand

CTE (Rule of mixtures)

CTE (Turners model)

CTE (Kerner’s model)

1

A

0

-

-

-

2

B

3

2.10 × 10⁻⁵

1.81 × 10⁻⁵

1.67 × 10⁻⁵

3

C

6

1.97 × 10⁻⁵

1.65 × 10⁻⁵

1.56 × 10⁻⁵

4

D

9

1.78 × 10⁻⁵

1.42 × 10⁻⁵

1.60 × 10⁻⁵

5

E

12

1.62 × 10⁻⁵

1.28 × 10⁻⁵

1.45 × 10⁻⁵