DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: The effects of crystal structure on the chemical durability of yttrium disilicate

Journal Article · · RSC Advances
DOI: https://doi.org/10.1039/D4RA01072H · OSTI ID:2341647
ORCiD logo [1];  [1];  [1];  [1]; ORCiD logo [2]
  1. Department of Mechanical, Aerospace, and Nuclear Engineering, Rensselaer Polytechnic Institute, NY 12180, USA
  2. Department of Mechanical, Aerospace, and Nuclear Engineering, Rensselaer Polytechnic Institute, NY 12180, USA, Department of Materials Science & Engineering, Rensselaer Polytechnic Institute, NY 12180, USA

Elemental release: amorphous Y 2 Si 2 O 7 is leached in pH 3 nitric acid. Post-leaching characterization of the leachate and pellet surface indicates a preferential release of Y, and the formation of an SiO 2 alteration layer on the surface of the pellet.

Sponsoring Organization:
USDOE
Grant/Contract Number:
NONE; SC0016584
OSTI ID:
2341647
Journal Information:
RSC Advances, Journal Name: RSC Advances Journal Issue: 20 Vol. 14; ISSN 2046-2069; ISSN RSCACL
Publisher:
Royal Society of Chemistry (RSC)Copyright Statement
Country of Publication:
United Kingdom
Language:
English

References (28)

Rietveld Analysis and Raman Spectroscopic Investigations on α‐Y2Si2O7 journal May 2008
Phase Transformations in Gel-Derived and Mixed-Powder-Derived Yttrium Disilicate, Y2Si2O7, by X-Ray Diffraction and 29Si MAS NMR journal January 2000
Polymorphism and crystal data of the rare-earth disilicates of type R.E.2Si2O7 journal May 1970
An evaluation of cement-based waste forms using the results of approximately two years of dynamic leaching journal January 1987
Calcium–magnesium aluminosilicate (CMAS) interactions with ytterbium silicate environmental barrier coating material at elevated temperatures journal July 2020
Chemical durability of multicomponent lanthanide zirconate solid solutions journal December 2023
Chemical reactivity of argillaceous material in engineered barrierRare earth disilicate formation under subcritical conditions journal March 2009
A systematic study of lanthanide titanates (A2Ti2O7) chemical durability: corrosion mechanisms and control parameters journal June 2021
Structural and crystal chemical properties of rare-earth titanate pyrochlores journal August 2014
Environmental-barrier coating ceramics for resistance against attack by molten calcia-magnesia-aluminosilicate (CMAS) glass: Part II, β-Yb2Si2O7 and β-Sc2Si2O7 journal September 2018
Environmental-barrier coating ceramics for resistance against attack by molten calcia-magnesia-aluminosilicate (CMAS) glass: Part I, YAlO3 and γ-Y2Si2O7 journal September 2018
Chemical durability and surface alteration of lanthanide zirconates (A2Zr2O7: A = La-Yb) journal September 2021
Immobilization of cesium and iodine into Cs3Bi2I9 perovskite-silica composites and core-shell waste forms with high waste loadings and chemical durability journal January 2021
Radiation damage effects in candidate titanates for Pu disposition: Zirconolite journal January 2008
Monitoring the microstructural evolution of Nd 2 Zr 2 O 7 pyrochlore during dissolution at 90 °C in 4 M HCl: Implications regarding the evaluation of the chemical durability journal December 2017
Crystal growth and luminescence properties of Yb2Si2O7 infra-red emission scintillator journal August 2016
Contribution of Energetically Reactive Surface Features to the Dissolution of CeO 2 and ThO 2 Analogues for Spent Nuclear Fuel Microstructures journal July 2014
Immobilisation of high level nuclear reactor wastes in SYNROC journal March 1979
Forty years of durability assessment of nuclear waste glass by standard methods journal December 2021
Chemical durability and degradation mechanisms of CsPbI3 as a potential host phase for cesium and iodine sequestration journal January 2022
Revision of the crystallographic data of polymorphic Y2Si2O7and Y2SiO5compounds journal December 2004
β-Y2Si2O7, a new thortveitite-type compound, determined at 100 and 280 K journal September 2003
Stability of Rare-Earth Disilicates: Ionic Radius Effect journal January 2011
Theoretical Predictions on Elastic Stiffness and Intrinsic Thermal Conductivities of Yttrium Silicates journal January 2014
A pyrochlore-based matrix for isolation of the REE-actinide fraction of wastes from spent nuclear fuel reprocessing journal January 2014
A Stochastic Treatment of Crystal Dissolution Kinetics journal June 2013
Hydrothermal reactivity of Lu-saturated smectites: Part I. A long-range order study journal January 2001
The effect of polymorphic structure on the structural and chemical stability of yttrium disilicates journal September 2011