malleability


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malleability,

property of a metal describing the ease with which it can be hammered, forged, pressed, or rolled into thin sheets. Metals vary in this respect; pure gold is the most malleable. Silver, copper, aluminum, lead, tin, zinc, and iron are also very malleable. Some heating usually increases malleability. Zinc, for example, at ordinary temperatures is very brittle, but is malleable in the temperature range from about 120°C;. to 150°C;. Impurities adversely affect the malleability of metals.
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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Malleability

 

the capacity of metals and alloys of undergoing forging and other types of pressure shaping (rolling, drawing, pressing, or stamping). Malleability is a property of most pure metals and of steel, brass, and Duralumin, as well as some other copper, aluminum, magnesium, and nickel alloys. It is characterized by plasticity—that is, the ability of the metal to undergo deformation under pressure without destruction—and by its resistance to deformation. Malleable metals combine relatively high plasticity with low resistance to deformation.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

malleability

The property of a metal that permits mechanical deformation by extrusion, forging, rolling, etc., without fracturing.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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