It will be seen that wrought iron is usually very nearly pure iron, while steel contains an appreciable amount of alloy material, chiefly carbon, and cast iron still more of the same substances.
Considerable quantities of an alloy of chromium with iron, called ferrochromium, are now produced for the steel industry.
Gold may be separated from silver, as well as from many other metals, by heating thealloy with concentrated sulphuric acid.
It alloys readily with some of the metals, and finds its chief use as an alloy with lead, which is used for making shot, the alloybeing harder than pure lead.
This forces the lead alloy up through the tube and over into the chamber G.
Such an alloyis especially useful in type founding, where fine lines are to be reproduced on a cast.
A richalloy of iron with manganese or silicon can be prepared directly in a blast furnace, and is called ferromanganese or ferrosilicon.
In general the melting point of the alloy is below the average of the melting points of its constituents, and it is often lower than any one of them.
Zinc will alloy with silver but not with lead, and it is found that the silver leaves the lead and, in the form of an alloy with zinc, forms as a crust upon the lead and is skimmed off.
Its ability to alloy with silver finds application in the separation of silver from lead (see silver).
The alloy is fused with an oxidizing flame on a shallow hearth made of bone ash, which substance has the property of absorbing metallic oxides but not the gold.
The alloyis melted and metallic zinc is stirred in.
Some think that it was the electrum of the ancients, which was an alloy of silver and gold.
The name given by the ancients to an alloy of gold (4 parts) and silver (1 part).
Now I know enough about it to do a good job on the bar," he decided, and brick after brick of alloywas fused into the crack, until only a smoothly rounded bulge betrayed that a break had ever existed in that mighty rod of metal.
Of course, each fraction will probably be analloy of one kind or another, but I think maybe I'll be able to make them do.
I was silent; Helen had calmed me; but in the tranquillity she imparted there was an alloy of inexpressible sadness.
For cutting implements copper was the only metal used, but it was hardened with an alloy of tin until it sufficed to cut the hardest substances nearly as well as steel.
Cortes speaks of the gold in Yucatan as alloyed with copper, and the samealloy is mentioned in Guatemala by Herrera, and in Nicaragua by Benzoni.
Pure gold and an alloy of gold are both gold, but the latter cannot be as precious as the former.
The strap posts are threaded and are clamped to the cover by means of alloy nuts.
The strap posts are threaded, and are clamped to the cover and supports by means of alloy nuts, just as is the case in Exide automobile batteries.
It had no visible support, but hovered a few inches above the floor above one of two parallel aluminum alloy strips that stretched, like the trolley tracks of the ancients, throughout all the galleries.
The ancients well knew that aluminum is repelled by magnetism, but the race had lived in the caverns for centuries before evolving an alloy that possessed this repulsive power to a degree strong enough to support a considerable weight.
Bronze, as we have seen in a former chapter, is an alloy of two metals, copper and tin, and the hardest and most serviceable alloy is only to be obtained by mixing the two in a certain definite proportion.
This normal alloy does not seem to have been in general use in Egypt before the eighteenth dynasty, and the bronze of earlier periods contains less tin.
That is for tools and weapons where great hardness was required, for objects of art and statuettes were often made of pure copper, or with a smaller alloy of tin, showing that the latter metal was too scarce and valuable to be wasted.
Now it is to be noted, that nearly all the prehistoric bronze found in Europe is analloy in this definite proportion.
He threw the whole piece just as all the flammable alloy caught fire.
The magnesium-alloy vessel burned with a brightness that stung and dazzled the eyes.
It is essentially identical with the Chinese alloypackfong.
Audhia Sunars The Audhia Sunars usually work in bell-metal, an alloy of copper or tin and pewter.
But the difference in rates is nevertheless striking, and allowance must be made for it in considering the bad reputation which the Sunar has for mixing alloy with the metal.
Generally, the Sunar is suspected of making an illicit profit by mixing alloywith the metal entrusted to him by his customers, and some bitter sayings are current about him.
As brass is an alloy made from copper and zinc, it seems likely that vessels were made from copper before they were made from brass.
Each of them is then believed to take an oath that he will not during the coming year disclose the amount of the alloy which a fellow-craftsman may mix with the precious metals.
It is employed to test the purity of gold, the amount of alloy being indicated by the color left on the stone when rubbed by the metal.
An alloy of copper and tin, to which small proportions of other metals, especially zinc, are sometimes added.
A soft white alloy of variable composition (as a nine parts of tin to one of copper, or of fifty parts of tin to five of antimony and one of copper) used in bearings to diminish friction.
Chemically, bismuth (with arsenic and antimony is intermediate between the metals and nonmetals; it is used in thermo-electric piles, and as an alloy with lead and tin in the fusible alloy or metal.
An alloy (usually yellow) of copper and zinc, in variable proportion, but often containing two parts of copper to one part of zinc.
Bells have been made of various metals, but the best have always been, as now, of an alloy of copper and tin.
A hard alloy or bronze, consisting usually of about three parts of copper to one of tin; -- used for making bells.
An alloy of gold and silver with a large proportion of copper or other base metal, used in coinage.
For convenience, the tow lines were made of an alloy of ultron which, unlike the metal itself, is visible.
As near as we can gather from their reports, their laboratories have developed a new alloy of great tensile strength and elasticity which nevertheless lets the rep rays through like a sieve.
This alloy is that generally known by the name of solder.
The alloy is poured in at the top, and shaken till the whole internal surface is covered.
In the neighbourhood of the south-eastern corner of the Caspian the alloy bronze was probably invented soon after 3000 B.
I have found it), the exclamation of Archimedes when, after long study, he discovered a method of detecting the amount of alloy in King Hiero's crown.
This combination of metal will form an alloy of great durability and tenacity; also of considerable luster.
The bells of small clocks or pendules are made of this alloyin Paris.
If now a solution containing arsenic be added, the copper turns black or grey, from formation of an alloy of copper and arsenicum.
Speculum Metal, for telescope mirrors, is an alloy of copper, tin, and 3 per cent.
A few fragments of this alloy are placed with water in a flask provided with a thistle funnel, and with a delivery tube dipping into a 4 per cent.
Over there, at the back of the foundry, in the reverberatory furnace, the alloy of copper and tin, in the proportions of 78 and 22 per cent.
Was the art of making an alloy of tin and copper self-evolved, or was it an art which foreign commerce introduced?
From that quarter, I suppose, is to be the alloy of her happiness.
