| sizing [`sīz·iŋ] ENGINEERING 1. Separating an aggregate of mixed particles into groups according to size, using a series of screens. Also known as size classification. 2. See <<sizing treatment>> MATERIALS See <<size>> MECHANICAL ENGINEERING A finishing operation to correct surfaces and shapes to meet specified dimensions and tolerances. METALLURGY 1. Final pressing of a metal powder compact after sintering. 2. A cold-working operation in which a part is re-pressed in a die to improve surface hardness, smoothness, and dimensional accuracy. |