If you are experiencing problems downloading PDF or HTML fulltext, our helpdesk recommend clearing your browser cache and trying again. If you need help in clearing your cache, please click here . Still need help? Email help@ingentaconnect.com

Effect of Potassium Sulfate on the Low-Temperature Formation of Alpha Alumina Platelets from Bayerite

$48.00 plus tax (Refund Policy)

Download / Buy Article:

Abstract:

The effect of potassium sulfate (K2SO4) on the phase transformation from bayerite [α-Al(OH)3] to α-Al2O3 has been studied. K2SO4 and -Al2O3 react and form K3Al(SO4)3. Decomposition of K3Al(SO4)3 can supply the α-Al2O3 seeds for heterogeneous nucleation, accelerate the transformation from the -Al2O3 to α-Al2O3, and lower the formation temperature of α-Al2O3. α-Al2O3 particles grow into hexagonal platelets in the presence of the liquid phase K3Al(SO4)3. The α-Al2O3 platelets obtained by a 900°C calcination of the bayerite and K2SO4 mixture have an average diameter of 1 m and an average diameter/thickness ratio of 10.

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1551-2916.2010.03664.x

Affiliations: Institute of Materials Science and Engineering, Lanzhou University, Lanzhou 730000, China

Publication date: July 1, 2010

Related content

Tools

Favourites

Share Content

Access Key

Free Content
Free content
New Content
New content
Open Access Content
Open access content
Subscribed Content
Subscribed content
Free Trial Content
Free trial content
Cookie Policy
X
Cookie Policy
ingentaconnect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more