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Page 129
... impurity cations having different charges or to anions . Example Problem 4.3-3 Consider a sample of MgO containing 0.2 weight percent Li2O as an impurity . Compute the additional vacancy concentration that arises because of the presence ...
... impurity cations having different charges or to anions . Example Problem 4.3-3 Consider a sample of MgO containing 0.2 weight percent Li2O as an impurity . Compute the additional vacancy concentration that arises because of the presence ...
Page 139
... impurity diffusion , and the diffusion coeffi- cient , D , is called the impurity diffusion coefficient . Values of the impurity diffusion coefficient for selected systems are also given in Table 4.4–1 . When diffusion occurs in solid ...
... impurity diffusion , and the diffusion coeffi- cient , D , is called the impurity diffusion coefficient . Values of the impurity diffusion coefficient for selected systems are also given in Table 4.4–1 . When diffusion occurs in solid ...
Page 186
... impurity atoms , either interstitial or substitutional , impede the motion of dislocations ? As mentioned in Section 4.3-1 , the incorporation of interstitial atoms into a crystal results in a slight shifting of the neighboring solvent ...
... impurity atoms , either interstitial or substitutional , impede the motion of dislocations ? As mentioned in Section 4.3-1 , the incorporation of interstitial atoms into a crystal results in a slight shifting of the neighboring solvent ...
Contents
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