The British Foundryman, Volume 53

annual applied apprentice Atlas Copco austenite bentonite Birmingham branch BRITISH FOUNDRYMAN British Steel carbon cast iron chill clay CO2 sand columnar committee composition cooling core corebox cupola defects density diecasting downgates drying effect engineering equiaxial equipment eutectic cells fluidity foundry foundry industry foundrymen furnace grains graphite green sand grey gunmetal heat heat-treatment increase Institute ladle loam machine malleable iron mechanical melting metal method moisture mould material moulding box moulding sands non-ferrous normal nucleation obtained operation paper pattern pearlitic phosphorus plate porosity pouring temperature practice present president problems production ramming refractory Research Association resin risers sample sand castings shear strength shell moulds Shotton shown in Fig shows silica silicon slag sodium silicate solidification standard Steel Castings stress structure sub-committee sulphur superheat surface Table technical council tensile strength test bars test pieces thickness tons/in2 undercooling