Silicon nitride ceramic having high fatigue life and high toughness
Abstract
A sintered silicon nitride ceramic comprising between about 0.6 mol % and about 3.2 mol % rare earth as rare earth oxide, and between about 85 w/o and about 95 w/o beta silicon nitride grains, wherein at least about 20% of the beta silicon nitride grains have a thickness of greater than about 1 micron.
- Inventors:
-
- Oakham, MA
- Issue Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- OSTI Identifier:
- 870423
- Patent Number(s):
- 5518673
- Assignee:
- Saint-Gobain/Norton Industrial Ceramics Corp. (Worchester, MA)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA
- DOE Contract Number:
- AC05-84OR21400
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- silicon; nitride; ceramic; fatigue; life; toughness; sintered; comprising; mol; rare; earth; oxide; 85; 95; beta; grains; 20; thickness; micron; ceramic comprising; earth oxide; silicon nitride; rare earth; beta silicon; nitride ceramic; sintered silicon; fatigue life; nitride grain; /264/501/
Citation Formats
Yeckley, Russell L. Silicon nitride ceramic having high fatigue life and high toughness. United States: N. p., 1996.
Web.
Yeckley, Russell L. Silicon nitride ceramic having high fatigue life and high toughness. United States.
Yeckley, Russell L. Mon .
"Silicon nitride ceramic having high fatigue life and high toughness". United States. https://www.osti.gov/servlets/purl/870423.
@article{osti_870423,
title = {Silicon nitride ceramic having high fatigue life and high toughness},
author = {Yeckley, Russell L},
abstractNote = {A sintered silicon nitride ceramic comprising between about 0.6 mol % and about 3.2 mol % rare earth as rare earth oxide, and between about 85 w/o and about 95 w/o beta silicon nitride grains, wherein at least about 20% of the beta silicon nitride grains have a thickness of greater than about 1 micron.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 1996},
month = {Mon Jan 01 00:00:00 EST 1996}
}
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