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ALLOY, or ALLAY. An inferior metal, used with gold. and silver in making coin or public money. Originally, it was one of the allowances known by the name of remedy for errors, in the weight and purity of coins. The practice of making such allowances continued in all European mints after the reasons, upon which they were originally founded, had, in a great measure, ceased. In the imperfection of the art of coining, the mixture of the metals used, and the striking of the coins, could not be effected with, perfect accuracy. There would be some variety in the mixture of metals made at different times, although intended to be in the same proportions, and in different pieces of coin, although struck by the same process and from the same die. But the art of coining metals has now so nearly attained perfection, that such allowances have become, if not altogether, in a great measure at least, unnecessary. The laws of the United States make no allowance for deficiencies of weight. See Report of the Secretary of State of the United States, to the Senate of the U. S., Feb. 22, 1821, pp. 63, 64.
     2. The act of Congress of 2d of April, 1792, sect. 12, directs that the standard for all gold coins of the United States, shall be eleven parts fine to one part of alloy; and sect. 13, that the standard for all silver coins of the United States, shall be one thousand four hundred and eighty-five parts fine, to one hundred and seventy-nine parts alloy. 1 Story's L. U. S. 20. By the act of Congress, 18th Feb. 1831, Sec. 8, it is provided, that the standard for both gold and silver coin of the United States, shall be such, that of one thousand parts by weight, nine hundred shall be of pure metal, and one hundred of alloy; and the alloy of the silver coins shall be of copper, and the alloy of gold coins shall be of copper and silver, provided, that the silver do not exceed one-half of the whole alloy. See also, Smith's Wealth of Nations, vol. i., pp. 49, 50.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
Bonsack, "Discussion on the effect of minor alloying elements on aluminum casting alloys," ASTM Bulletin, vol.
Bochvar et al., "Structure and properties of Cu alloys alloying with Cr and Hf after equal channel angular pressing," Advanced Materials Research, vol.
bought its first PET/PE alloying and molding line from RemaplanAnlagenbau in Landau, Germany, just before Remaplan went out of business last year.
It can be seen from the figure that, compared to pure Mg in Figure 3(a), the grain sizes of magnesium alloy had been refined after rolling, which might be caused by alloying and alloy dynamic recrystallization.
The commercial Catalloy process is similar in concept to Himont's developmental Hivalloy technology except that where Catalloy is an olefinic alloying process, Hivalloy products are made by co-reacting the base PP spherule with up to 50-60% by weight of non-olefinic monomers.
During the degassing process, Plant B also will add the other alloying elements in the melt.
It's also clear alloying and blending technology will not replace future research into inventing all-new polymers or supplant work to optimize existing single-resin grades.
Hivalloy is patended two-step alloying technology that bonds vinyl monomers, like styrene, to the backbone of the PP polymer chain.
Hivalloy alloying technology melds various resins, including styrenics and PPE, with either PP or other polyolefins.
CHDM glycol also is a key to permitting miscibility with other engineering resins such as polycarbonates for alloying possibilities.
Advances Reported in Alloying And Compatibilization
* the type and amount of alloying elements affect the extent to which a eutectic mushy zone forms;