Mixed Metals: Or, Metallic AlloysMacmillan and Company, 1890 - 384 páginas |
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Página 6
... become hardened by pressure , and often require annealing during the process of manufacture . The fractured surface of metals is often characteristic , being spoken of as fibrous , crystalline , granular , columnar , and conchoidal ...
... become hardened by pressure , and often require annealing during the process of manufacture . The fractured surface of metals is often characteristic , being spoken of as fibrous , crystalline , granular , columnar , and conchoidal ...
Página 20
... become tarnished like silver under similar circumstances . Pure gold is too soft for general use , so that it is usually alloyed with silver and copper , which harden it , without seriously impairing its malleability and ductility ...
... become tarnished like silver under similar circumstances . Pure gold is too soft for general use , so that it is usually alloyed with silver and copper , which harden it , without seriously impairing its malleability and ductility ...
Página 24
... becomes coated with a gray film , due to the oxidation of the impurities . At its boiling point mercury is slowly oxidised to mercuric oxide HgO . It combines directly with sulphur , forming an important compound , mercuric sulphide or ...
... becomes coated with a gray film , due to the oxidation of the impurities . At its boiling point mercury is slowly oxidised to mercuric oxide HgO . It combines directly with sulphur , forming an important compound , mercuric sulphide or ...
Página 25
... becomes dim when exposed to the air , owing to the formation of a film of suboxide of lead . Pure lead emits a dull sound when struck , but the presence of impurities renders it more sonorous ; also when the pure metal is cast in the ...
... becomes dim when exposed to the air , owing to the formation of a film of suboxide of lead . Pure lead emits a dull sound when struck , but the presence of impurities renders it more sonorous ; also when the pure metal is cast in the ...
Página 26
... become covered with an iridescent film of oxide . Bismuth unites with sulphur , forming a dark - gray , metallic - looking sulphide Bi , S . Bismuth serves for the preparation of many pharmaceu- tical products and cosmetics . The chief ...
... become covered with an iridescent film of oxide . Bismuth unites with sulphur , forming a dark - gray , metallic - looking sulphide Bi , S . Bismuth serves for the preparation of many pharmaceu- tical products and cosmetics . The chief ...
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Términos y frases comunes
acid added alloys containing aluminium amalgam annealing antimony arsenic bells bismuth brass Britannia metal brittle bronze cadmium carbon cast cast-iron cent copper cent of copper charcoal chemical choidal colour combination composition consists constituents cooling copper copper and tin crucible crystalline ductile elasticity employed Fcap following table fracture furnace fused fusible alloys German silver granular gray grayish Guettier gun-metal hammer hard harder impurities ingot iron lead liquid lustre malleable Mallet manganese manufacture melting point mercury mixed mixture molten metal mould nickel nitric acid obtained ordinary oxide oxidising oxygen phosphor-bronze phosphorus plate platinum polish poured powder prepared present produced Professor properties proportions pure readily red heat remelted resistance reverberatory furnace rolled sand silicate slag small quantity soft solder solidifying specific gravity square inch steel sulphide sulphur surface temperature tenacity thick Tombac toughness volatilised wire yellow zinc
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