Response of SiC/SiC to Transient Thermal Conditions [electronic resource] : A Review.
The database on thermal shock behavior of SiC/SiC composites is very limited. The existing data suggests continuous fiber ceramic matrix composites, such as SiC/SiC, exhibit very good thermal shock characteristics but most data was obtained for -Delta T conditions as a result of quenching from an el...
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Online Access |
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Format: | Government Document Electronic eBook |
Language: | English |
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Washington, D.C : Oak Ridge, Tenn. :
United States. Dept. of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
2001.
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Subjects: |
MARC
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245 | 0 | 0 | |a Response of SiC/SiC to Transient Thermal Conditions |h [electronic resource] : |b A Review. |
260 | |a Washington, D.C : |b United States. Dept. of Energy ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, |c 2001. | ||
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500 | |a Published through the Information Bridge: DOE Scientific and Technical Information. | ||
500 | |a 06/30/2001. | ||
500 | |a "pnnl-sa-31903" | ||
500 | |a "AT6020100" | ||
500 | |a Fusion Materials: Semi-Annual Progress Report for Period Ending June 30, 2001, 30:45-54. | ||
500 | |a Jones, Russell H. | ||
520 | 3 | |a The database on thermal shock behavior of SiC/SiC composites is very limited. The existing data suggests continuous fiber ceramic matrix composites, such as SiC/SiC, exhibit very good thermal shock characteristics but most data was obtained for -Delta T conditions as a result of quenching from an elevated temperature. Thermal shock in a fusion energy system will result from plasma discharge and will result in a +Delta T. One study was reported for SiC/SiC composites given a +Delta T with no loss in strength following 25 cycles at a heating rate of 1700 degrees C/s. Monolithic SiC failed in 1.5 cycles at a heating rate of 1400 degrees C/s. Thermal fatigue test results also suggest that SiC/SiC composites will exhibit little or no degradation for 100's of cycles. It was estimated that radiation could, in an extreme case, cause a reduction in the thermal shock performance from a calculated Delta Tc of 957K to about 300K if the fiber strength is reduced by 50%. Newer composites with greater radiation resistance should have a much smaller change in the Delta Tc. | |
536 | |b AC05-76RL01830. | ||
650 | 7 | |a Ceramics. |2 local. | |
650 | 7 | |a Radiations. |2 local. | |
650 | 7 | |a Heating Rate. |2 local. | |
650 | 7 | |a Transients. |2 local. | |
650 | 7 | |a Plasma. |2 local. | |
650 | 7 | |a Thermal Shock. |2 local. | |
650 | 7 | |a Thermal Fatigue. |2 local. | |
650 | 7 | |a Quenching. |2 local. | |
650 | 7 | |a Performance. |2 local. | |
650 | 7 | |a Fibers. |2 local. | |
650 | 7 | |a Silicon Carbides. |2 local. | |
650 | 7 | |a Thermonuclear Reactors. |2 local. | |
650 | 7 | |a Plasma Physics And Fusion Technology. |2 edbsc. | |
710 | 2 | |a Pacific Northwest National Laboratory (U.S.). |4 res. | |
710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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952 | f | f | |p Can circulate |a University of Colorado Boulder |b Online |c Online |d Online |e E 1.99:pnnl-sa-31903 |h Superintendent of Documents classification |i web |n 1 |