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Page 179
... boundary between adjacent crystals is called a grain boundary . The grain boundary region , although idealized as a planar defect , actually has finite thickness and therefore finite volume . In metals and ionic / covalent crystals ...
... boundary between adjacent crystals is called a grain boundary . The grain boundary region , although idealized as a planar defect , actually has finite thickness and therefore finite volume . In metals and ionic / covalent crystals ...
Page 191
... grain boundaries , and ( 4 ) the insertion in the lattice of particles ( precipitates ) that have a different crystal structure from that of the host material . Planar defects occur as free surfaces , grain boundaries , stacking faults ...
... grain boundaries , and ( 4 ) the insertion in the lattice of particles ( precipitates ) that have a different crystal structure from that of the host material . Planar defects occur as free surfaces , grain boundaries , stacking faults ...
Page 318
... grain boundaries that are coarser and more widely spaced than the finer precipitates away from the grain boundaries in the matrix . Homogeneous nucleation and growth were responsible for intergranular precipitates . The coarse ...
... grain boundaries that are coarser and more widely spaced than the finer precipitates away from the grain boundaries in the matrix . Homogeneous nucleation and growth were responsible for intergranular precipitates . The coarse ...
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Materials Science and Engineering | 2 |
CHAPTER | 4 |
CHAPTER | 12 |
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alloy aluminum anion applications atoms band band gap BCC structure bond-energy curve brittle Calculate carbon cation ceramics chain Chapter charge carriers classes of materials close-packed coefficient component composition compound conductivity containing corrosion covalent bonds crack crystal structure crystalline cubic decreases defects density determined dielectric diffusion dipole direction discussed dislocation ductility elastic elastic modulus electrical electronegative energy engineering Equation equilibrium eutectic eutectoid Example Problem fatigue ferromagnetic fibers fraction fracture glass glass transition temperature grain boundaries heat impurity increases interface interstitial ions lattice liquid load magnetic martensite matrix mechanical melting metal microstructure modulus molecules nucleation occurs oxide pearlite peritectic phase diagram plane polyethylene polymers primary bonds properties quench ratio reaction region resistance result schematic secondary bonds semiconductors shown in Figure shows silicon SiO2 solid solution steel strain strength stress surface tensile tetrahedral transformation unit cell vacancies valence band