496T fm i-xxvi 01/10/06 22: 13 Page Preface as revisions/amplifications of other sections. New sections/discussions are as One-component (or unary) phase diagrams(Section 9.6 Compacted graphite iron(in Section 11.2, Ferrous Alloys") · Lost foam casting( in Section11.5,“ Casting”) Temperature dependence of Frenkel and Schottky defects (in Section 12.5 fractography of ceramics(in Section 12.8, "Brittle Fracture of Ceramics") Crystallization of glass-ceramics, in terms of isothermal transformation and continuous cooling transformation diagrams (in Section 13.3, Glass- Ceramics”) Permeability in polymers(in Section 1414, Diffusion in Polymeric Magnetic anisotropy(Section 20.8) A new case study on chemical protective clothing(Sections 22.13 and Those sections that have been revised/amplified, include the following: Treatments in Chapter 1("Introduction")on the several material types have been enlarged to include comparisons of various property values(as Expanded discussions on crystallographic directions and planes in hexagonal crystals(Sections 3.9 and 3. 10); also some new related homework problems. Comparisons of (1) dimensional size ranges for various structural elements, and(2) resolution ranges for the several microscopic examination tech niques (in Section 4.10, Microscopic Techniques") Updates on hardness testing techniques( Section 6.10) Revised discussion on the Burgers vector(Section 7. 4) New discussion on why recrystallization temperature depends on the purity of a metal (Section 7.12) Eliminated some detailed discussion on fracture mechanics-ie used Concise Version"from sixth edition(Section 8.5) Expanded discussion on nondestructive testing(Section 8.5 Used Concise Version(from sixth edition) of discussion on crack initiation and propagation(for fatigue, Section 8.9), and eliminated section on crack propagation rate. Refined terminology and representations of polymer structures(Sections 14.3 through 14.8) Eliminated discussion on fringed-micelle model (found in Section 14.12 of the sixth edition Enhanced discussion on defects in polymers(Section 14.13). Revised the following sections in Chapter 15("Characteristics, Applica tions, and Processing of Polymers"): fracture of polymers(Section 15.5 deformation of semicrystalline polymers(Section 15.7), adhesives(in Section 15. 18), polymerization(Section 15. 20), and fabrication of fibers and films(Section 15.24). Revised treatment of polymer degradation( Section 17.12)as revisions/amplifications of other sections. New sections/discussions are as follows: • One-component (or unary) phase diagrams (Section 9.6) • Compacted graphite iron (in Section 11.2, “Ferrous Alloys”) • Lost foam casting (in Section 11.5, “Casting”) • Temperature dependence of Frenkel and Schottky defects (in Section 12.5, “Imperfections in Ceramics”) • Fractography of ceramics (in Section 12.8, “Brittle Fracture of Ceramics”) • Crystallization of glass-ceramics, in terms of isothermal transformation and continuous cooling transformation diagrams (in Section 13.3, “Glass-Ceramics”) • Permeability in polymers (in Section 14.14, “Diffusion in Polymeric Materials”) • Magnetic anisotropy (Section 20.8) • A new case study on chemical protective clothing (Sections 22.13 and 22.14). Those sections that have been revised/amplified, include the following: • Treatments in Chapter 1 (“Introduction”) on the several material types have been enlarged to include comparisons of various property values (as bar charts). • Expanded discussions on crystallographic directions and planes in hexagonal crystals (Sections 3.9 and 3.10); also some new related homework problems. • Comparisons of (1) dimensional size ranges for various structural elements, and (2) resolution ranges for the several microscopic examination tech￾niques (in Section 4.10, “Microscopic Techniques”). • Updates on hardness testing techniques (Section 6.10). • Revised discussion on the Burgers vector (Section 7.4). • New discussion on why recrystallization temperature depends on the purity of a metal (Section 7.12). • Eliminated some detailed discussion on fracture mechanics—i.e., used “Concise Version” from sixth edition (Section 8.5). • Expanded discussion on nondestructive testing (Section 8.5). • Used Concise Version (from sixth edition) of discussion on crack initiation and propagation (for fatigue, Section 8.9), and eliminated section on crack propagation rate. • Refined terminology and representations of polymer structures (Sections 14.3 through 14.8). • Eliminated discussion on fringed-micelle model (found in Section 14.12 of the sixth edition). • Enhanced discussion on defects in polymers (Section 14.13). • Revised the following sections in Chapter 15 (“Characteristics, Applica￾tions, and Processing of Polymers”): fracture of polymers (Section 15.5), deformation of semicrystalline polymers (Section 15.7), adhesives (in Section 15.18), polymerization (Section 15.20), and fabrication of fibers and films (Section 15.24). • Revised treatment of polymer degradation (Section 17.12). x • Preface 1496T_fm_i-xxvi 01/10/06 22:13 Page x