The Crystallization of Iron and Steel: An Introduction to the Study of MetallographyLongmans, Green, and Company, 1905 - 144 страници |
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Страница 12
... It 1800 Freezing 1400 1000 860 750 A 600 200 20 40 60 Time FIG . 9. - Iron . only contained 0.01 per cent . of carbon . F. Osmond , a celebrated French metallurgist , maintains that the existence of 12 CRYSTALLIZATION OF IRON AND STEEL §8.
... It 1800 Freezing 1400 1000 860 750 A 600 200 20 40 60 Time FIG . 9. - Iron . only contained 0.01 per cent . of carbon . F. Osmond , a celebrated French metallurgist , maintains that the existence of 12 CRYSTALLIZATION OF IRON AND STEEL §8.
Страница 13
... cent . of carbon , shown in Fig . 10 , is reversed on heating , as shown by the heating curve in the same diagram . There is only one critical point at about 690 ° , called the Ar1 critical point . The critical points Ac1 , Ac2 , Ac ...
... cent . of carbon , shown in Fig . 10 , is reversed on heating , as shown by the heating curve in the same diagram . There is only one critical point at about 690 ° , called the Ar1 critical point . The critical points Ac1 , Ac2 , Ac ...
Страница 15
... cent . of tellurium alters the properties of bismuth so much that we seem to be dealing with a totally different substance ; a few hundredths of one per cent . of sulphur will determine the success or failure of iron ; and the presence ...
... cent . of tellurium alters the properties of bismuth so much that we seem to be dealing with a totally different substance ; a few hundredths of one per cent . of sulphur will determine the success or failure of iron ; and the presence ...
Страница 16
... cent . of salt , pure ice separates out as the solution freezes , and , in consequence , the solution which remains unfrozen has more than 5 per cent . of salt dissolved in it . The freezing - point of the 1 F. Guthrie , Phil . Mag ...
... cent . of salt , pure ice separates out as the solution freezes , and , in consequence , the solution which remains unfrozen has more than 5 per cent . of salt dissolved in it . The freezing - point of the 1 F. Guthrie , Phil . Mag ...
Страница 17
... cent . of salt , and the whole residue then solidifies at -22 ° . If the solution contains just 23 per cent . of sodium chloride , it freezes en masse at -22 ° . No other mixture of salt and water freezes at a lower temperature than ...
... cent . of salt , and the whole residue then solidifies at -22 ° . If the solution contains just 23 per cent . of sodium chloride , it freezes en masse at -22 ° . No other mixture of salt and water freezes at a lower temperature than ...
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Ac₁ allotropic alloys annealing Ar₁ austenite B.Sc BOTANY brittle carbon in iron cast iron cementite chemical CHEMISTRY cleavage planes College Coloured compound constituents cooling curve copper critical point Crown 8vo crystalline grains D.Sc Diagrams ductile ELEMENTARY PRACTICAL elements Engineering equilibrium eutectic mixture eutectic point Examples ferrite fracture freezing freezing-point GEOMETRY graphite grey hard hardening hardenite heating Hospital ibid Illus Illustrations Iron and Steel J. E. Stead J. O. Arnold Journ Jüptner Lecturer liquid LL.D Lond London MAGNETISM manganese martensite mass mechanical metal Metallographist Metallurgy microscope molecules molten nitric acid numerous Osmond passive resistance pearlite Ph.D phase rule physical PHYSIOLOGY Plates polished surface Professor properties pure iron quenched Royal 8vo salt Sauveur Science separates shown in Fig silicon sodium thiosulphate solid solution solidified solution of carbon sorbite specimen steel containing Steel Inst structure Students substance sulphur temper temperature TEXT-BOOK trations TREATISE troostite Woodcuts y-iron
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