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Full text of "Metallurgy Of Cast Iron"

INDEX.                                        603
Cupola Construction and Practice—Continued.                PAGE.
As used for making strong castings:...............277-279
Reasons for different strengths of iron being obtained
from the same mixture in same heat................ 306
As prepared for testing oxidation of iron.............. 310
Loss of iron by oxidation...........................310, 318
As arranged for testing the comparative fusibility of
metals .............................................. 325
Methods for preparing and charging small............
................................... 325-327, 364, 499, 500
Combination small crucible furnace and cupola........ 364
Utility of small for blast furnaces......................495
Cost of a small cupola for testing purposes............ 496
Pressure of blast in small.............................499
Direct fletal—
Evils  of  kish  in...................................117-118
Its utility, and methods for handling...............117, 119
The life and fluidity of................................  118
Best  grades  to  use................................118, 120
Character of castings best made of................118, 120
Drop Test for Castings—
As used for testing car wheels......................446-448
Etching Steel and Cast Iron—
Details for and prints of...........................587, 588
Expansion of Iron-Annealing white and malleable causing................ 289
At moment of solidification, demonstration of...386, 387, 427 Causing shrinkage and the necessity of feeding to- make
solid castings  ...................................387, 392
Hard grades expanding more than soft.........387, 389, 394
Diagrams displaying expansion and contractions of different irons .....................................389, 390
Retarding expansion giving rise to greater contraction.. 389 Expansion unaffected by temperature of molten metal.. 391 Period of expansion varying with the size of casting..... 392for   recording   the   chemical   and   physical