Abstract
The effect of α-Al 2O 3 seeding on the transformation kinetics of high purity commercial boehmite and γ-Al 2O 3 was investigated. The effect of seed size, powder purity, sample homogeneity, and sample density on the transformation kinetics are discussed. The temperature and activation energy of the θ to α-Al 2O 3 phase transformation decreases for boehmite and γ-Al 2O 3 powders with an appropriate addition of α-Al 2O 3 seed particles. For 5 wt.% seeded (2×10 15 seeds/cm 3 γ-Al 2O 3) boehmite samples, the transformation temperature and activation energy were decreased by 85°C and 115 kJ/mol, respectively, compared to unseeded boehmite. For 5 wt.% seeded γ-Al 2O 3 samples, the transformation temperature and activation energy were decreased by 75°C and 170 kJ/mol, respectively, compared to unseeded γ-Al 2O 3.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
