A Study of Risering Nodular Iron Castings |
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Page 11
... cast irons by direct transfer of feed metal from external riser . A cylindrical casting 2 1 / 2 - inches in diameter and 3 - inches high was cast by a side sprue with a narrow runner and gate connection . The casting was fed by eutectic ...
... cast irons by direct transfer of feed metal from external riser . A cylindrical casting 2 1 / 2 - inches in diameter and 3 - inches high was cast by a side sprue with a narrow runner and gate connection . The casting was fed by eutectic ...
Page 19
... eutectic cast iron rods prepared in the laboratory were used as feed metal . Copper was used as pouring temperature of nodular iron as obtained in the foundries were rather low , and the heat reservoir could not melt the eutectic feed ...
... eutectic cast iron rods prepared in the laboratory were used as feed metal . Copper was used as pouring temperature of nodular iron as obtained in the foundries were rather low , and the heat reservoir could not melt the eutectic feed ...
Page 38
... eutectic cast iron ( 9 ) . The excessively high values obtained in casting C and E in core sand mold is a combination of mold wall movement , use of copper , and graphitization . The effect of carbide appears to be prominent when ...
... eutectic cast iron ( 9 ) . The excessively high values obtained in casting C and E in core sand mold is a combination of mold wall movement , use of copper , and graphitization . The effect of carbide appears to be prominent when ...
Common terms and phrases
actual added assembly assume authors average bars basis bloM Caine's calculated carbon equivalent casting and riser cation cent feed metal combination considerable contraction Copper core sand curve depends develop diameter dimensions equivalent per cent eutectic cast iron examination expansion experiments explained feed metal requirement followed foundry freezing ratio gate given graphite green sand mold heat transfer height higher inch increasing indicate iron castings less liquid liquid shrinkage measured melt method mold cavity mold wall movement nodular iron noted obtained pattern Pipe plates plot pouring temperature pressure procedure quantity of feed reported reservoir rigid rods Schematic separately set-up shape Shaw silica tube similar solidification shrinkage Sound sprue steel surface area surface area-to-volume ratio surrounded Table total volumetric values obtained varied Vol.of Casting Vol.of Pipe volume volumetric contraction white iron Wisconsin