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Title: Sealing glass-ceramics with near linear thermal strain, Part II: Sequence of crystallization and phase stability

Here, the sequence of crystallization in a re-crystallizable lithium silicate sealing glass-ceramic Li2O-SiO2-Al2O3-K2O-B2O3-P2O5-ZnO was analyzed by in situ high temperature X-ray diffraction (HTXRD). Glass-ceramic specimens have been subjected to a 2-stage heat treatment schedule, including rapid cooling from sealing temperature to a 1st hold temperature 650 °C, following by heating to a 2nd hold temperature of 810 °C. Notable growth and saturation of Quartz was observed at 650 °C (1st hold).
Authors:
 [1] ;  [1] ;  [1]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
OSTI Identifier:
1253125
Report Number(s):
SAND--2016-1103J
Journal ID: ISSN 0002-7820; 619184
Grant/Contract Number:
AC04-94AL85000
Type:
Accepted Manuscript
Journal Name:
Journal of the American Ceramic Society
Additional Journal Information:
Journal Name: Journal of the American Ceramic Society; Journal ID: ISSN 0002-7820
Publisher:
American Ceramic Society
Research Org:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org:
USDOE National Nuclear Security Administration (NNSA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE glass-ceramics; crystals/crystallization; thermal expansion; thermal treatment; phase transformations