Alloy

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..... e purpose of improving certain properties. Though pure metals may possess certain useful properties, they seldom possess the strength required for industrial application. Copper is practically the only matter used in bulk in the commercially pure state. In the case of most metals, alloying elements are added to increase the hardness, strength and toughness of the basic metals and to obtain propert .....

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..... ard alloy brass, that has wide usage." "A master alloy or a foundry alloy is an alloy used for adding elements in the foundry." According to Brussels Tariff Nomenclature, "Master alloys are generally in the form of small blocks or cakes divided for easy breaking, brittle sticks, or pellets, and have the appearance of crude foundry products." In Henderson's `Metallurgical Dictionary' `Maste .....

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..... ditions". In Osborne's `Encyclopaedia of the Iron and Steel Industry' `Hardeners' are described as "Master alloys prepared for the purpose of adding small quantities of the desired alloying elements to molten metals". According to Encyclopaedia Britannica, "The most common way of preparing alloys is by the melting together of the constituent metals. If the melting points of the metals differ .....

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