Concise Dictionary of Materials Science Part 1 pdf

Concise Dictionary of Materials Science Part 1 pdf

Concise Dictionary of Materials Science Part 1 pdf

... consisting of two sublattices: an FCC sublattice of O 2– ions and a sublattice of Al 3+ ions occupying two thirds of the octahedral sites in the first one. α-Fe Allotropic form of iron having ... stability of α-phase and thereby raising the β/(α + β) transus in the corresponding phase diagram. In physical metallurgy of steels, it is referred to as ferrite-stabilizer. α-Ti...
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Concise Dictionary of Materials Science Part 2 pdf

Concise Dictionary of Materials Science Part 2 pdf

... (see electron channeling). 0970_frame_B Page 13 Friday, August 1, 2003 7: 01 PM © 2003 by CRC Press LLC tion, at various t, there may be different values of the elasticity modulus, its extremities ... forces for growth of variously oriented grains and different mobility of their boundaries (see compromise texture). Grain growth commonly (but not always) results in weakening of...
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Concise Dictionary of Materials Science Part 3 ppt

Concise Dictionary of Materials Science Part 3 ppt

... result of the preferential arrange - ment of precipitates at subboundaries (see heterogeneous nucleation), which inhibits their migration (see particle drag). Because of this, an increase of the ... of the elastic strain energy associated with lattice defects, which might contribute to the for - mation of recrystallization nuclei. Continuous recrystallization is observed in m...
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Concise Dictionary of Materials Science Part 4 potx

Concise Dictionary of Materials Science Part 4 potx

... structure One of the two most densely packed crys- tal structures (see Figure F .1) with coordination number 12 , atomic pack - ing factor 0.74, and the close-packed planes {11 1} and close-packed ... close-packed directions 11 0〉. The radius of tetrahedral void equals 0.225R and that of octahedral void is 0. 415 R, where R is the atomic radius. In a densely packed structure, the a...
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Concise Dictionary of Materials Science Part 5 potx

Concise Dictionary of Materials Science Part 5 potx

... between the number of components, C, the number of phases, P, and the number of degrees of freedom, F, in some equilibrium thermodynamic system: F = C – P + 2 in the case of varying temperature ... independently. In the case of the arbitrarily chosen temperature, the compositions of the phases are fixed, and in the case of the arbitrarily chosen composition of one of th...
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Concise Dictionary of Materials Science Part 6 ppt

Concise Dictionary of Materials Science Part 6 ppt

... Manifestation of the difference in diffusion rates of the atoms of different components in the case of vacancy mechanism, i.e., in substitutional solid solutions. An annealing of a sample made of two ... liquation. FIGURE M .1 Occurrence of macrosegration in alloy X in the course of solidification. Points s 1 , s 2 , and s 3 sh ow compositions of the ingot parts soli...
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Concise Dictionary of Materials Science Part 9 ppt

Concise Dictionary of Materials Science Part 9 ppt

... were present in such a particle, the particle’s free energy would be increased. In the particle, the energy of the magnetic poles at its surface is the lowest in the case of the largest pole spacing. ... boundaries can be found. single-domain particle Magnetic particle whose minimum linear size is smaller than the domain wall thickness; because of this, it consists of one magnetic...
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