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Initial Sintering of Rutile
Author(s) -
ANDERSON HARLAN U.
Publication year - 1967
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1967.tb15094.x
Subject(s) - shrinkage , sintering , rutile , activation energy , materials science , diffusion , grain boundary diffusion coefficient , kinetics , mineralogy , grain boundary , metallurgy , composite material , chemical engineering , thermodynamics , chemistry , microstructure , quantum mechanics , engineering , physics
The initial shrinkage of powder compacts of rutile was measured in air at 700° to 1130°C. The shrinkage behavior agrees well with a model based on grain‐boundary diffusion. The apparent activation energy for the shrinkage rate is 76.9 ± 2.5 kcal/mole. Changes in ambient atmosphere (O 2 , N 2 , vacuum) had no effect on the initial sintering kinetics.