Microstructure development during final/intermediate stage sintering-I. Pore/grain boundary separation
Journal
Acta Metallurgica
Journal Volume
30
Journal Issue
7
Pages
1269-1279
Date Issued
1982
Author(s)
Abstract
The motion of pores attached to two grain interfaces has been analyzed. It is shown that pores exhibit a maximum steady state velocity that varies with the dihedral angle and that the onset of non-steady state pore motion results in grain boundary convergence and the separation of the pore from the grain boundary. The peak steady pore velocity has been compared with grain boundary velocities for several grain configurations, in order to identify a critical condition for the onset of separation. This comparison indicates that the pore size must be maintained below a critical value to ensure attachment. © 1982.
Type
journal article