There are two main types of shrinkage in sand casting: solidification shrinkage and pattern maker’s shrinkage.
Process improvements in sand casting over the past 60 years (part 1) - Haworth Castings
Process improvements in sand casting over the past 60 years (part 1) - Haworth Castings
What is Pattern Shrink and How Does it Affect Your Casting?
Simulation of shrinkage cavity and porosity casting defects of ductile iron parts based on ProCAST – ZHY Casting
How to calculate aluminum casting shrinkage in sand casting?
Metal shrinkage in castings and why it matters - Novacast
Brief introduction of shrinkage cavity and porosity in semi solid die casting – ZHY Casting
question about aluminum shrinkage Home Model Engine Machinist Forum
Casting defects and how to prevent them - part 1 - Haworth Castings