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Full text of "Metallurgy Of Cast Iron"

INDEX.                                         623
Test Bars, Patterns, Moulding and Casting—                PAGE.
Design of and method for using fluidity strips to record the fluidity of metal ...............374, 502, 515-517, 519
Design of pattern, flask and chills for moulding single round bars flat, but cast on end, with fluidity strips attached .............'...........................507-510
Instructions for moulding and casting......508-510, 523-527
Decimal equivalents for il/§"', iffi' and I 15-16" diameter .............................................510, 520
Design of patterns, flasks and chill for moulding two round test bars flat, but cast on end, with fluidity strips and chill attached ....................512, 521, 522
Designs for half circle chills and contraction tips for use in casting round test bars on end.................... 517
Plan for obtaining contraction and making whirl gates.518-519
Plans of patterns and moulding bars to be turned, either for transverse or tensile testing ................... 520
Plans for moulding and casting plain bars on end......
.................................... 521-522, 527, 578-580
General instructions on moulding, swabbing and pouring ......................................523-527, 579-58o
Design of patterns, chill, fluidity strips and flasks used for the A. F. A. series of tests......542-544, 546, 548, 549
The floor space and amount of labor required to mould one set of A. F. A. test bars...............542, 550, 552
Description of plan of moulding the A. F. A. test bars ...............................542, 545, 547, 548-558
Test Bars-Difference that variations in dampness of sand and pouring temperatures make in the strength and contraction
of small   H-inch bars..............453, 457, 484, 511, 525
Unreliability of as small as J^-inch square or round....-
...............................   454-456, 467-468, 484, 5ii
The size of test bars most suitable for testing different '
grades  of iron   ................468-469, 477, 533, 535, 573
Comments upon the difference in the uniformity of grain
exhibited in round and square bars..........469, 486, 576
Formulas  for computing the difference in area of tests of the fractional parts of an inch ...................-.....•----• • • • •......594nalyses...............378-379,381s.. 270 Mixtures   for   gun   carriages.......................274, 275n of........... 245