Engineering Materials And Their Applications
This edition of the classic text/reference book has been updated and revised to provide balanced coverage of metals, ceramics, polymers and composites. The first five chapters assess the different structures of metals, ceramics and polymers and how stress and temperature affect them. Demonstrates how to optimize a material's structure by using equilibrium data (phase diagrams) and nonequilibrium conditions, especially precipitation hardening. Discusses the structures, characteristics and applications of the important materials in each field. Considers topics common to all materials—corrosion and oxidation, failure analysis, processing of electrical and magnetic materials, materials selection and specification. Contains special chapters on advanced and large volume engineering materials plus abundant examples and problems.
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where W = molecular weight of the oxide d = density of the metal w = atomic
weight of the metal D = density of the oxide When this ratio is less than 1, the
scale is nonprotective because of cracking. On the other hand, if the ratio is much
The usual oxidation mechanism, therefore, is the migration of metal ions and
electrons to the outer surface to react with oxygen. Since the mobility of electrons
is usually an order of magnitude higher than that of the ions, this is usually not a ...
In industrial furnaces resistivity is not important compared to oxidation resistance.
For this reason the heat-resistant nickel-chromium alloys such as 80% Ni, 20%
Cr (Nichrome) are widely used. In laboratory furnaces, for temperatures over ...
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A General View of the Problems
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