What people are saying - Write a review
We haven't found any reviews in the usual places.
0rigin and Development
7 other sections not shown
acid addition adhesive alloys amount of gas as-gassed strengths bentonite binder blowplate carbon dioxide process Carver Foundry Product chrome magnesite clay clay-bonded sands coal dust compacted material compressive core box core material core-blowing core-making Courtesy Carver Foundry cylinders dehydrated downgate effect evaporation hardening experienced facing fettling filler grains furfuryl alcohol gassing head green strength greensand moulding half core heating high ratio silicates hot strength incorporated increased interface iron jolt loam magnesite maximum strength metal penetration method milling moisture mould material mould or core moulding box moulds and cores muffleboard naturally bonded sands necessary oilsand optimum particles peak strength pressure properties quartz rammed reclamation reducing valve retained strengths sand compacts sand grains sand mix shell moulding shown in Fig silica gel silica sand silicate-bonded sands silicic acid sodium silicate specimens squeeze plate strickle suitable tensile strengths thermal thermal conductivity vent holes viscosity zircon