Editions specialesSrpska kraljevska akademija, 1978 |
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Страница 6
... large particle radii and large x / a , is the volume diffusion predominant [ 1 ] . For small particles at low temperatures neck growth is controlled by surface diffusion [ 1,9 ] . Before closing this section , Herring's scaling laws ...
... large particle radii and large x / a , is the volume diffusion predominant [ 1 ] . For small particles at low temperatures neck growth is controlled by surface diffusion [ 1,9 ] . Before closing this section , Herring's scaling laws ...
Страница 7
... large experimental errors inherent in the measurements of neck dia- meters this method is not more helpful than one based on direct determina- tion of the exponent n . THEORY OF SHRINKAGE Although all mechanisms described in the ...
... large experimental errors inherent in the measurements of neck dia- meters this method is not more helpful than one based on direct determina- tion of the exponent n . THEORY OF SHRINKAGE Although all mechanisms described in the ...
Страница 11
... large fluxes , or small pore radii are necessary to stifle the current through these dislocations . In aluminum the edge dislocations due to the large stacking fault energy , are not extended , therefore diffusion in dislocation cores ...
... large fluxes , or small pore radii are necessary to stifle the current through these dislocations . In aluminum the edge dislocations due to the large stacking fault energy , are not extended , therefore diffusion in dislocation cores ...