Sand Casting of Metals. Elizabeth Merten University of Washington, Seattle Department of Materials Science & Engineering [email protected] Key Concepts in Sand Casting. Simple and Inexpensive Utilized to make simple shaped parts Can alter Mechanical Properties of Materials
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*Zinc and some metal oxides can be hazardous. This is due to the metal fumes created in the sand casting process.
Aluminum Ingot Proper Safety Equipment
Crucible Electric Furnace
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Cope and Drag Gating System
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The wetness of the sand mixture is very important in Sand Casting. If the sand is too wet the mold can explode and if it is too dry it can collapse
Testing your green sand mixture:
After casting the part be sure to note any imperfections on the surface
If equipment is available, section the part and note any inclusions
*Remember to wear proper safety equipment
( leather apron, gloves, and Face Shield)
Simple Shapes for ornamental items as well as parts for the Automotive, Aerospace industry can be cast from Iron, Bronze and Aluminum
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Flaws on the surface can easily be identified however internal flaws are more difficult to discover and can significantly effect the quality of the cast piece
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Thanks to Professor Tom Stoebe and Professor Fumio Ohuchi for assistance in developing and editing this module, along with the feedback and suggestions from Tuesday Kuykendall and all my reviewers.
The Materials Science & Engineering Department at the University of Washington provided the equipment needed for the development of this module.