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Title: Near zero coefficient of thermal expansion of beta-eucryptite without microcracking

Patent ·
OSTI ID:1184761
;

The present invention is drawn to a lithia alumina silica material that exhibits a low CTE over a broad temperature range and a method of making the same. The low CTE of the material allows for a decrease in microcracking within the material.

Research Organization:
Colorado School of Mines, Golden, CO (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FG02-07ER46397
Assignee:
Reimanis, Ivar (Golden, CO)
Patent Number(s):
9,056,794
Application Number:
13/866,883
OSTI ID:
1184761
Resource Relation:
Patent File Date: 2013 Apr 19
Country of Publication:
United States
Language:
English

References (11)

Sol-gel derived SiO.sub.2 /oxide power composites and their production patent September 1992
Method for rapid production of large sol-gel SiO.sub.2 containing monoliths of silica with and without transition metals patent March 1993
Pollucite crystalline powders with low thermal expansion coefficients and methods for their preparation patent April 1993
Chemically derived leucite patent April 1997
Metal-ceramic composite coatings, materials, methods and products patent December 1999
Ceramics having negative coefficient of thermal expansion, method of making such ceramics, and parts made from such ceramics patent May 2000
Method and apparatus for producing a photocatalytic material patent April 2002
Process of making rare earth doped optical fiber patent May 2005
Implementing a pressure-induced phase transformation in beta-eucryptite to impart toughening patent April 2010
Effect of Doping on the Thermal Expansion of β-Eucryptite Prepared by Sol-Gel Methods journal July 2012
Li + ion motion in quartz and β-eucryptite studied by dielectric spectroscopy and atomistic simulations journal November 2004

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Related Subjects

36 MATERIALS SCIENCE
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY