Table 3 Relationship between the core material and casting defects

From: New solidification simulation reveals the secret of the hidden metal cores in ancient Chinese bronzes

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

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