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Title: Glass-ceramics for nuclear-waste immobilization

Journal Article · · MRS Bulletin
DOI: https://doi.org/10.1557/mrs.2017.8 · OSTI ID:1485492
 [1];  [2]
  1. Washington State Univ., Pullman, WA (United States). School of Mechanical & Materials Engineering; Washington State University
  2. Rutgers Univ., Piscataway, NJ (United States). Dept. of Materials Science and Engineering

Crystallization in glasses is usually considered to be a problem in the glass industry. However, controlled crystallization of glasses is an important prerequisite in the development of glass-ceramics with tailored useful properties. Similar boundary conditions apply when considering glass-ceramics for the immobilization of nuclear waste via vitrification. While uncontrolled crystallization in nuclear-waste glasses is problematic, chemically durable glass-ceramics with significantly high waste loadings can be produced with controlled crystallization of glasses. This article presents an overview of various aspects of nuclear-waste glasses where crystallization is either considered to be advantageous or problematic. The classification of glass-ceramic waste forms and strategies to design glass-ceramics for a given waste stream is discussed. In conclusion, some open and relevant problems faced by researchers developing nuclear-waste glass-ceramics are also offered.

Research Organization:
Washington State Univ., Pullman, WA (United States); Rutgers Univ., New Brunswick, NJ (United States)
Sponsoring Organization:
USDOE Office of Environmental Management (EM); USDOE Office of Nuclear Energy (NE), Nuclear Energy University Program (NEUP)
Grant/Contract Number:
NE0008431; NE0008257
OSTI ID:
1485492
Journal Information:
MRS Bulletin, Journal Name: MRS Bulletin Journal Issue: 03 Vol. 42; ISSN applab; ISSN 0883-7694
Publisher:
Materials Research SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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Crystallization study of rare earth and molybdenum containing nuclear waste glass ceramics journal March 2019
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