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TECHNICAL PAPERS: Gas Turbines: Ceramics

Modeling the Thermostructural Capability of Continuous Fiber-Reinforced Ceramic Composites

[+] Author and Article Information
J. A. DiCarlo, H. M. Yun

NASA Glenn Research Center, 21000 Brookpark Road, Cleveland, OH 44135

J. Eng. Gas Turbines Power 124(3), 465-470 (Jun 19, 2002) (6 pages) doi:10.1115/1.1470480 History: Received November 01, 1999; Revised February 01, 2000; Online June 19, 2002
Copyright © 2002 by ASME
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References

Goldsby, J. C., Yun, H. M., DiCarlo, J. A., and Morscher, G. N., 1993, “Thermomechanical Properties of Advanced Polycrystalline Oxide Fibers,” HITEMP Review 1993, NASA CP 19117, Paper No. 85.
DiCarlo, J. A., Yun, H. M., and Goldsby, J. C., 1995, “Creep and Rupture Behavior of Advanced SiC Fibers,” Proceedings of ICCM-10, Microstructure, Degradation, and Design, A. Poursartip, and K. N., Street, eds., Woodhead Publishing Ltd., Cambridge, UK, VI , pp. 315–322.
Yun, H. M., Goldsby, J. C., and DiCarlo, J. A., 1995, “Thermomechanical Behavior of Three Types of CVD SiC Monofilaments,” HiTEMP Review 1995, Vol. III, NASA Conference Publication 10178, Paper No. 56.
Yun,  H. M., and DiCarlo,  J. A., 1999, “Comparison of the Tensile, Creep, and Rupture Strength Properties of Stoichiometric SiC Fibers,” Ceram. Eng. Sci. Proc., 20(3), pp. 259–272.
Yun, H. M., and DiCarlo, J. A., 1999, “Thermomechanical Characterization of SiC Fiber Tows and Implications for CMC,” Proceedings of ICCM-12, Paris, Paper No. 594, and NASA/TM–1999-209283.
Yun,  H. M., and DiCarlo,  J. A., 1996, “Time/Temperature Dependent Tensile Strength of SiC and Al2O3-Based Fibers,” Ceram. Trans., 74, pp. 17–26.
DiCarlo, J. A., and Yun, H. M., 1998, “Thermostructural Performance Maps for Ceramic Fibers,” Proceedings of CIMTEC ’98, P. Vincenzini, ed., Techa Publishers, Srl, Florence, Paper No. SV-1: IL10.
DiCarlo, J. A., and Dutta, S., 1995, “Continuous Ceramic Fibers for Ceramic Composites,” Handbook On Continuous Fiber Reinforced Ceramic Matrix Composites, R. Lehman, S. El-Rahaiby, and J. Wachtman, Jr., eds., CIAC, Purdue University, West Lafayette, Indiana, pp. 137–183.
DiCarlo,  J. A., and Yun,  H. M., 1998, “Microstructural Factors Affecting Creep-Rupture Failure of Ceramic Fibers,” Ceram. Trans., 99, pp. 119–134.
Curtin,  W. A., 1993, “Ultimate Strengths of Fibre-Reinforced Ceramics and Metals,” Composites, 24, pp. 98–102.
Zhu,  S., Mizuno,  M., Kagawa,  Y., Cao,  J., Nagano,  Y., and Kaya,  H., 1999, “Creep and Fatigue Behavior in Hi-Nicalon Fiber-Reinforced Silicon Carbide Composites at High Temperatures,” J. Am. Ceram. Soc. 82(1), pp. 117–128.
Gray, P., 1999, Honeywell Advanced Composites, Inc., private communication.
Morscher,  G. N., 1997, “Tensile Stress Rupture of SiC/SiC Minicomposites With Carbon and Boron Nitride Interphases at Elevated Temperatures in Air,” J. Am. Ceram. Soc., 80(8), pp. 2029–2042.
Nell, J. M., and Grant, N. J., 1992, “Multiphase Strengthened Nickel Base Superalloys Containing Refractory Carbide Dispersions,” Superalloys 1992, S. D. Antolovich, R. W. Strusard, R. A. MacKay, D. L. Anton, T. Khan, R. D. Kissinger, and D. L. Klarstrom, eds., The Minerals, Metals & Materials Society, Warrendale, PA, p. 113.
Chuang, T.-J., Carroll, D. F., and Wiederhorn, S. M., 1989, “Creep Rupture of a Metal-Ceramic Particulate Composite,” Seventh International Conference of Fracture, K. Salama, K. Ravi-Chandler, D. M. R. Taplin, and P. Ramo Rao, eds., Pergamon Press, New York, 4 , pp. 2965–2976.
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Morscher, G. N., Gyekenyesi, J. Z., and Bhatt, R. T., “Damage Accumulation in Woven SiC/SiC Composites,” Mechanical, Thermal and Environmental Testing and Performance of Ceramic Composites and Components, M. G. Jenkins, E. Lara-Curzio, and S. T. Gonczy, eds., American Society for Testing and Materials, West Conshohocken, PA, ASTM STP 1392.
DiCarlo, J. A., and Yun, H. M., 1999, “Factors Controlling Stress-Rupture of Fiber-Reinforced Ceramic Composites,” Proceedings of ICCM-12Congress, Paris, Paper No. 750.
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Figures

Grahic Jump Location
Larson-Miller master curves for the time/temperature-dependent rupture strength of single-oxide and SiC-based fibers and single multifilament tows as measured in air (a) from ambient to high temperature and (b) at high temperatures
Grahic Jump Location
Predicted rupture strength behavior and measured stress-rupture data for Hi-Nicalon and Syl-2 reinforced CMC tested at high temperatures in air. Solid and dashed curves are based, respectively, on the single-fiber and bonded-tow LM curves of Fig. 1.
Grahic Jump Location
Predicted maximum rupture strength capability for cracked 0/90 CMC reinforced by the most creep-resistant oxide and SiC-based fiber types currently available (Vf*=20%). For comparison, measured strength curves are shown for a state-of-the-art nickel-based superalloy and for two types of monolithic ceramics.
Grahic Jump Location
Effective 1000-hour rupture strength predicted for cracked SiC/SiC CMC with Syl-2 fibers that fracture independently and a cracked SiC/SiC CMC with oxide-bonded Sylramic fibers. Solid curves=no recession; dashed curves=lean-burn combustion (19). For comparison, strength curves are shown for a nickel-based superalloy (measured) and an oxide/oxide CMC (predicted).

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