Journal of the Association of Engineering Societies . crystalline grains, the silicon beingdiffused through the mass of iron, the whole being a true solidsolution of silicide of iron in solid iron, which cannot be separatedfrom the iron by mechanical means, whose composition may varyuniformly with certain limits, and which is, therefore, a true solu-tion. The properties of such an alloy will be similar to those of thepure metal, and will depend on the properties of the individualgrains and on the forces existing between the grains. In the case of such an alloy it can be predicted that for anyg
Journal of the Association of Engineering Societies . crystalline grains, the silicon beingdiffused through the mass of iron, the whole being a true solidsolution of silicide of iron in solid iron, which cannot be separatedfrom the iron by mechanical means, whose composition may varyuniformly with certain limits, and which is, therefore, a true solu-tion. The properties of such an alloy will be similar to those of thepure metal, and will depend on the properties of the individualgrains and on the forces existing between the grains. In the case of such an alloy it can be predicted that for anygiven change in the percentage of silicon present, no radical changein the properties of the alloy, over that of the pure metal, will takeplace; for instance, if the electrical conductivity of the metal be PHYSICAL STRUCTURE OF METALS AND ALLOYS. 189 represented by a certain figure, the addition of , or even1 per cent, of silicon will not materially affect this second class of alloys may be represented by the micro- mm Ml 3f. a b a, Outside of casting ; b, inside of casting. Pig Iron, Showing Distribution of Graphite.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectenginee, bookyear1881
