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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14.7 Models of energy bands of (a) a metal, (b) a semiconductor, and (c) an
insulator. EF is the Fermi level (0.5 of possible states are occupied). tron at room
temperature is only about 0.03 eV on the average, so we would not expect many
Electron hole due to Al (with only three electrons I in the outer shell) Si Si I Si Si 1
t ^ Conduction band Si Al Si Si Eg Intrinsic 1 Electron hole — ^— — o from Al ''', . .
g Valence band Si Si Si Si (a) (b) Fig. 14.10 (a) Structure of silicon with an ...
Richard Aloysius Flinn, Paul K. Trojan. Metals We recall that we can think of the
valence electrons of a metal as having a band of energies with many unfilled
energy states at the upper energy levels. When a photon of light strikes an
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The Problem of Materials Selection and Development
Metallic Structures The Unit Cell
Effects of Stress and Temperature on Simple Metal
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