Table 3 Relationship between the core material and casting defects
Material of the leg core | Clay core | Metal core | ||||
|---|---|---|---|---|---|---|
Diameter of the leg core/mm | 8 | 10 | 12 | 8 | 10 | 12 |
Volume shrinkage/cm3 | 4.391 | 3.730 | 2.594 | 3.663 | 2.511 | 2.557 |
Volume of shrinkage cavity and porosity/cm3 | 2.244 | 1.691 | 1.504 | 1.791 | 1.496 | 1.520 |