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What is Sand Casting Defects and Solutions about?
During a lab, students built molds for sand casting using green sand. The molds consisted of two parts called the cope and drag. Various defects occurred in the final castings including shrinkage, hot tears, flashes, gas pores, and porosity. Shrinkage defects occurred when not enough feed metal was available to compensate for shrinkage during solidification. Hot tears were caused by factors like shrinkage within the die or thermal imbalance. Flashes formed from excess metal coming out of the die. Gas pores
- Author
- Nur' Ayuni
- Language
- EN