Shrinkage and Gas Effects in the Casting of Non-ferrous Metals and Alloys ... |
Common terms and phrases
alloys containing alloys freezing aluminium alloys Assoc carbon casting proper chill face compound gases cooling Copper curves degasification degassing deoxidants diffusion dissolved gas downgate effect external shrinks favourable temperature gradient feeder cavities feeding liquid feeding property flow of feeding freezing range freezing shrinkage gas absorption gas porosity gas unsoundness grain refinement hot tears hydrogen inert gas ingot interdendritic channels magnesium Metals and Alloys method molten metal mould material mould temperature mould wall nickel silvers non-ferrous metals occur partial pressure phosphorus pouring speed pouring temperature pressure tightness primary crystals promote pure metals rapid solidification rate of solidification reaction reaction-gas unsoundness residual liquid resultant Sand Cast sand moulds sectional thickness shown in Fig shrinkage and gas shrinkage cavities shrinkage defects shrinkage porosity solid and liquid solidifica solidus solubility solute element sulphur sulphur dioxide surface tension thermal capacity thermal conductivity tin bronzes treatment viscosity volume changes W. A. BAKER zone