DegasserA material employed for removing gases from molten metals and alloys.
DieA metal form used as a permanent mold or die casting
Die CastingCasting made by forcing molten metal into a die under pressure.
DraftTaper on the vertical sides of a pattern or corebox that permits the core or pattern to be removed without distorting or tearing of the sand.
DragLower or bottom half of a horizontally parted mold.
Drawing1. The act of removing a pattern from the sand mold. 2. A sketch or print that gives the dimensions of a part.
DrossImpurities on the melt that must be removed by skimming before the pour. Slag.