. Transactions. Fig. 56. X Fig. 57. X reagent, 5 per cent, nitric acid in alcohol. DISCUSSION 377 interested in another phase of the carbiirizing phenomena at that time wedid not investigate it any further. Fig. 50, at 50 diameters, shows the typical ghosts existing in the 51, at 250 diameters, and Fig. 52 unetched, show the wide band ofFig. 50 in a httle more detail. Fig. 53, at 50 diameters, shows this bandas it goes through the case. The white spot near the outside, followed bya normal eutectoid zone, is not so deep as Avhere the ghost is notpresent. Fig. 54, at
. Transactions. Fig. 56. X Fig. 57. X reagent, 5 per cent, nitric acid in alcohol. DISCUSSION 377 interested in another phase of the carbiirizing phenomena at that time wedid not investigate it any further. Fig. 50, at 50 diameters, shows the typical ghosts existing in the 51, at 250 diameters, and Fig. 52 unetched, show the wide band ofFig. 50 in a httle more detail. Fig. 53, at 50 diameters, shows this bandas it goes through the case. The white spot near the outside, followed bya normal eutectoid zone, is not so deep as Avhere the ghost is notpresent. Fig. 54, at 250 diameters, taken at the outer edge of the piece in thebanded zone, shows the peculiar structure of the pearhte at this 55, at 500 diameters, shows the pearlite as it occurs in the whitearea of Fig. 53. The cementite in this area appears to occur entirely asboundaries of ferrite grains instead of partly at the boundaries and partlywithin the grains, as in lamellar pearlite. In some of the grains (see ) the no
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
