Editions specialesSrpska kraljevska akademija, 1978 |
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Страница 6
... surface and in the volume respectively and 8 is interatomic distance . A similar relation can Fig . 2. Three nickel wires sintered together at 1400 ° C for 241 hrs . The metal in the void is free of aluminom particles . 200 X ( after ...
... surface and in the volume respectively and 8 is interatomic distance . A similar relation can Fig . 2. Three nickel wires sintered together at 1400 ° C for 241 hrs . The metal in the void is free of aluminom particles . 200 X ( after ...
Страница 7
... surfaces . This would mean that the portion of the neck close to the surface should shrink faster than the center . This situation would result in tensile stress causing an increase of vacancy concentration over the grain boundary area ...
... surfaces . This would mean that the portion of the neck close to the surface should shrink faster than the center . This situation would result in tensile stress causing an increase of vacancy concentration over the grain boundary area ...
Страница 21
... surface , then in accordance with equation ( 11 ) , α i Vi , i / 1 , 2 , r2 ( 36 ) where ai CiyQD kT y isotropic surface tension , Q atomic volume , D - coefficient of self - diffusion , k the Boltzmann's constant , and T absolute ...
... surface , then in accordance with equation ( 11 ) , α i Vi , i / 1 , 2 , r2 ( 36 ) where ai CiyQD kT y isotropic surface tension , Q atomic volume , D - coefficient of self - diffusion , k the Boltzmann's constant , and T absolute ...