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Chapter IThe Value of the Microscope to the Cast Iron Foundryman
Armco Ingot Iron 300x
Carbon Steel 0 20 Per Cent Carbon 300 x
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1.7 per cent alloy irons amount appearance austenite carbon content carbon present cast iron cast iron metallurgist cent carbon chilled iron chromium combined carbon crystals dark constituent dendrite crystals dendrites desirable effect of silicon employed entire equilibrium diagram etching eutectic point eutectoid examination ferrite grains foundry foundryman free cementite gamma iron graphite precipitation gray iron grinding heat treatment Hence iron and carbon iron carbide iron-iron carbide latter ledeburite lens lenses light magnification malleable iron manganese sulphide martensitic matrix metal metallurgical microscope metallurgists microscope mixture molten molybdenum nature of pearlite necessary nickel nitric acid objective and eye-piece pearlitic iron phosphide eutectic phosphorus photomicrography plates polishing possible produce pure iron range rate of cooling result salt sample shown in Fig shows silicon content snapshot photography solid solution solidification solubility sorbite specimen steadite steel strength structure sulphur surface temperature tion total carbon tube vertical illuminator white iron