Preliminary models for liquidus temperature (TL) and temperature at 1 vol% cyrstal (T01) applicable to WTP HLW glasses in the spinel primary phase field were developed. A series of literature model forms were evaluated using consistent sets of data form model fitting and validation. For TL, the ion potential and linear mixture models performed best, while for T01 the linear mixture model out performed all other model forms. TL models were able to predict with smaller uncertainty. However, the lower T01 values (even with higher prediction uncertainties) were found to allow for a much broader processing envelope for WTP HLW glasses.
Revised: September 7, 2005 |
Published: April 1, 2005
Citation
Vienna J.D., T.B. Edwards, J.V. Crum, D. Kim, and D.K. Peeler. 2005.LIQUIDUS TEMPERATURE AND ONE PERCENT CRYSTAL CONTENT MODELS FOR INITIAL HANFORD HLW GLASSES. In Environmental Issues and Waste Management Technologies in the Ceramic and Nuclear Industries X, (also referenced as Ceramic Transactions Vol. 168), 10, 133-140. Westerville, Ohio:American Ceramic Society. PNWD-SA-6609.