The Crystallization of Iron and Steel: An Introduction to the Study of MetallographyLongmans, Green, and Company, 1905 - 144 страници |
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Страница 22
... containing , say , 0-6 per cent . of carbon and 99-4 per cent . of iron cools from 900 ° . The cooling curve shows nothing very remarkable until a temperature of about 720 ° is attained . There is then a sudden evolution of heat . The ...
... containing , say , 0-6 per cent . of carbon and 99-4 per cent . of iron cools from 900 ° . The cooling curve shows nothing very remarkable until a temperature of about 720 ° is attained . There is then a sudden evolution of heat . The ...
Страница 23
... containing different amounts of carbon furnish a set of curves quite analogous to the freezing curves of salt water and of silver - copper alloys . But with iron these changes take place in the solid cooling metal . If the alloy ...
... containing different amounts of carbon furnish a set of curves quite analogous to the freezing curves of salt water and of silver - copper alloys . But with iron these changes take place in the solid cooling metal . If the alloy ...
Страница 24
... containing 0.92 per cent . of carbon . It is magnified 1240 times . §14 . Colour Names for High Temperatures I always speak of temperatures on the centigrade scale . For reference purposes I will give a scale of corresponding centigrade ...
... containing 0.92 per cent . of carbon . It is magnified 1240 times . §14 . Colour Names for High Temperatures I always speak of temperatures on the centigrade scale . For reference purposes I will give a scale of corresponding centigrade ...
Страница 26
... containing various proportions of the two metals , are shown in Fig . 21 ; and when arranged in this manner Pure Copper 90 % Cu 80 % Cu 70 % Cu 60 % Cu 50 % Cu 40 % Cu 30 % Cu 20 % Cu 10 % Cu Silver Pure Temperature . Time FIG . 21 ...
... containing various proportions of the two metals , are shown in Fig . 21 ; and when arranged in this manner Pure Copper 90 % Cu 80 % Cu 70 % Cu 60 % Cu 50 % Cu 40 % Cu 30 % Cu 20 % Cu 10 % Cu Silver Pure Temperature . Time FIG . 21 ...
Страница 28
... containing 0.5 per cent . of carbon has nearly 58 per cent . of pearlite , and 42 per cent . of ferrite ; cast iron containing 3.5 per cent . of carbon has 62 per cent . of pearlite , and 38 per cent . of cementite . Eutectic , or ...
... containing 0.5 per cent . of carbon has nearly 58 per cent . of pearlite , and 42 per cent . of ferrite ; cast iron containing 3.5 per cent . of carbon has 62 per cent . of pearlite , and 38 per cent . of cementite . Eutectic , or ...
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0.9 per cent Ac₁ allotropic alloys annealing Ar₁ austenite B.Sc brittle carbon in iron cast iron cementite chemical CHEMISTRY cleavage planes College Coloured 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 heat 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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