| flake [flāk] MATERIALS 1. Dry, unplasticized, cellulosic plastics base. 2. Plastic chip used as feed in molding operations. 3. A small, flat wood particle of predetermined dimensions and uniform thickness, with fiber direction essentially in the plane of the flake. METALLURGY 1. Discontinuous, internal cracks formed in steel during cooling due usually to the release of hydrogen. Also known as fisheye; shattercrack; snowflake. 2. Fish-scale, flat particles in powder metallurgy. Also known as flake powder. |