Carbides sentence example

carbides
  • The carbides of iron play an important part in determining the properties of the different modifications of the commercial metal, and are discussed under Iron And Steel.
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  • The furnace used by Henri Moissan in his experiments on reactions at high temperatures, on the fusion and volatilization of refractory materials, and on the formation of carbides, suicides and borides of various metals, consisted, in its simplest form, of two superposed blocks of lime or of limestone with a central cavity cut in the lower block, and with a corresponding but much shallower inverted cavity in the upper block, which thus formed the lid of the furnace.
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  • Moissan showed that at this temperature the most stable of mineral combinations are dissociated, and the most refractory elements are converted into vapour, only certain borides, silicides and metallic carbides having been found to resist the action of the heat.
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  • Alumina and lime, for example, which cannot be reduced at ordinary furnace temperatures, readily give up their oxygen to carbon in the electric furnace, and then combine with an excess of carbon to form metallic carbides.
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  • Wirthwein, the titanium mineral is fused with carbon in the electric furnace, the carbides treated with chlorine, and the titanium chloride condensed.
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  • Zirconium combines with sulphur to form a sulphide, and with carbon to form several carbides.
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  • The graphite veins in the older crystalline rocks are probably akin to metalliferous veins and the material derived from deep-seated sources; the decomposition of metallic carbides by water and the reduction of hydrocarbon vapours have been suggested as possible modes of origin.
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  • Moissan has also shown that it will combine with many metals at the temperature of the electric furnace, to form carbides (q.v.).
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  • In connexion with these experiments he developed the electric furnace as a convenient means of obtaining very high temperatures in the laboratory; and by its aid he prepared many new compounds, especially carbides, silicides and borides, and melted and volatilized substances which had previously been regarded as infusible.
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  • Other authors have sought the origin of the diamond in the action of the hydrated magnesian silicates on hydrocarbons derived from bituminous schists, or in the decomposition of metallic carbides.
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  • 4.1 Chemical Reactivity 4.2 Solubility 4.3 Compounds 4.4 Ferrous Oxide 4.5 Magnetite 4.6 Ferric Acid 4.7 Halogen Compounds 4.8 Ferric Chloride 4.9 Ferrous Bromide 4.10 Sulfur(Sulphur)Compounds 4.11 Nitrides and Nitrates 4.12 Phosphides, Phosphates 4.13 Arsenides and Arsenites 4.14 Carbides, Carbonates 4.15 Medical Uses
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  • It can be caused by the transformation of retained austenite to martensite or by the precipitation of alloy carbides.
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  • Home Tungsten products Tungsten carbide Powder Tungsten Carbide Powder Tungsten carbide powder is the intermediate in the line from W powder to cemented carbides.
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  • Parallel to the production of high-grade steels is Sheffield's development of sintered carbides for use on tipped cutting tools and in certain dies.
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  • Complexes of carbon, their synthesis and structures, are discussed including the halides, oxides and carbides.
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