TECHNICAL PAPERS: Gas Turbines: Ceramics

Key Durability Issues With Mullite-Based Environmental Barrier Coatings for Si-Based Ceramics

[+] Author and Article Information
Kang N. Lee

Chemical Engineering Department, Cleveland State University, Cleveland, OH 44115

J. Eng. Gas Turbines Power 122(4), 632-636 (May 15, 2000) (5 pages) doi:10.1115/1.1287584 History: Received March 09, 1999; Revised May 15, 2000
Copyright © 2000 by ASME
Your Session has timed out. Please sign back in to continue.


Jacobson, N. S., Smialek, I. L., and Fox, D. S., 1990, “Molten Salt Corrosion of SiC and Si3N4,” in Handbook of Ceramics and Composites, Vol. 1, Cheremisinoff, N. S., ed., Marcel Dekker, New York, pp. 99–135.
Pareek,  V., and Shores,  D. A., 1993, “Oxidation of Silicon Carbide in Environments Containing Potassium Salt Vapor,” J. Am. Ceram. Soc., 74, No. 3, pp. 556–563.
Hashimoto,  A., 1992, “The Effect of H2O Gas on Volatilities of Planet-Forming Major Elements: I—Experimental Determination of Thermodynamic Properties of Ca-, Al-, and Si-hydroxide Gas Molecules and Its Application to the Solar Nebula,” Geochim. Cosmochim. Acta, 56, pp. 511–532.
Opila,  E. J., and Hann,  R., 1997, “Paralinear Oxidation of CVD SiC in Water Vapor,” J. Am. Ceram. Soc., 80, No. 1, pp. 197–205.
Opila,  E. J., Fox,  D. S., and Jacobson,  N. S., 1997, “Mass Spectrometric Identification of Si(OH)4 from the Reaction of Silica and Water Vapor,” J. Am. Ceram. Soc., 80, No. 4, pp1009–1012.
Pettit, F. S., and Giggins, C. S., 1987, Superalloys II, C. T. Sims, N. S. Stoloff, and W. C. Hage, eds., Wiley, New York, p. 327.
Jacobson,  N. S., 1993, “Corrosion of Silicon-Based Ceramics in Combustion Environments,” J. Am. Ceram. Soc., 76, No. 1, pp. 3–28.
Price,  J. R., van Roode,  M., and Stala,  C., 1992, “Ceramic Oxide-Coated Silicon Carbide for High-Temperature Corrosive Environments,” Key Eng. Mater., 72–74, pp. 71–84.
Federer,  J. I., 1990, “Alumina Base Coatings for Protection of SiC Ceramics,” J. Mater. Eng.,12, No. 2, pp. 141–149.
Lee,  K. N., Miller,  R. A., and Jacobson,  N. S., 1995, “New Generation of Plasma-Sprayed Mullite Coatings on Silicon-Carbide,” J. Am. Ceram. Soc., 78, No. 3, pp. 705–710.
Lee,  K. N., Jacobson,  N. S., and Miller,  R. A., 1994, “Refractory Oxide Coatings on SiC Ceramics,” MRS Bull.,XIX, No. 10, pp. 35–38.
Lee,  K. N., and Miller,  R. A., 1996, “Oxidation Behavior of Mullite-Coated SiC and SiC/SiC Composites Under Thermal Cycling between Room Temperature and 1200–1400 °C,” J. Am. Ceram. Soc., 79, No. 3, pp. 620–626.
Lee,  K. N., and Miller,  R. A., 1996, “Development and Environmental Durability of Mullite and Mullite/YSZ Dual Layer Coatings for SiC and Si3N4 Ceramics,” Surf. Coat. Technol., 86–87, pp. 142–148.
Jacobson,  N. S., Lee,  K. N., and Yoshio,  T. Y., 1996, “Corrosion of Mullite By Molten Salts,” J. Am. Ceram. Soc., 79, No. 8, pp. 2161–2167.
Lee, K. N., Miller, R. A., Jacobson, N. S., and Opila, E. J., 1995, “Environmental Durability of Mullite Coating/SiC and Mullite-YSZ Coating/SiC Systems,” Ceram. Eng. Sci. Proc., September–October, pp. 1037–1044.
Lee, K. N., and Miller, R. A., 2000, “Durability of Mullite/YSZ-Coated SiC in 90 percent H2O/O2,” Adv. Ceram. Matrix Compos., IV, pp. 17–25.
Lee,  K. N., 1998, “Contamination Effects on Interfacial Porosity During Cyclic Oxidation of Mullite-Coated SiC,” J. Am. Ceram. Soc., 81, No. 12, pp. 3329–3339.
Lamkin,  M. A., Riley,  F. L., and Fordham,  R. L., 1992, “Oxygen Mobility in Silicon Dioxide and Silicate Glasses,” J. Eur. Ceram. Soc., 10, pp. 347–367.
Lee, K. N., and Miller, R. A., 1997, “Modification of Mullite-Based Coatings on Si-Based Ceramics for Enhanced Durability,” HITEMP Review, III , NASA Lewis Research Center, Cleveland, OH, p. 45.
Heintz,  G. N., and Uematsu,  U., 1992, “Preparation and Structures of Plasma-Sprayed γ and α-alumina Coatings,” Surf. Coat. Technol., 50, pp. 213–222.
Lee, K. N., 1998, NASA Glenn Research Center, unpublished research.
Holloway, D. G., 1973, The Physical Properties of Glass, Wykeham Publications, London, U.K.
Aksay,  I. A., and Pask,  J. A., 1975, “Stable and Metastable Equilibria in the System SiO2-Al2O3,” J. Am. Ceram. Soc., 58, Nos. 11–12, pp. 507–512.
Kriven,  W. M., and Pask,  J. A., 1983, “Solid Solution Range and Microstructure of Melt-Grown Mullite,” J. Am. Ceram. Soc., 66, No. 9, pp. 649–654.
Martinelli,  A. E., and Drew,  R. A. L., 1995, “Microstructure Development During Diffusion Bonding of α-Silicon Carbide to Molybdenum,” Mater. Sci. Eng., A, 191, pp. 239–247.
Martinelli,  A. E., Drew,  R. A. L., and Berriche,  R., 1996, “Correlation Between the Strength of SiC-Mo Diffusion Couples and the Mechanical Properties of the Interfacial Reaction Products,” J. Mater. Sci. Lett., 15, pp. 307–310.


Grahic Jump Location
Mullite/YSZ-coated SiC after 500 h with 2 h cycles at 1300 °C in air
Grahic Jump Location
Mullite/YSZ-coated RBSN after 50 h at 1300 °C in air
Grahic Jump Location
Weight change versus time for coated and uncoated SiC in HPBR (6 atm, 1230 °C)
Grahic Jump Location
Mullite-coated SiC after 50 h in HPBR (6 atm, 1230 °C)
Grahic Jump Location
Mullite/YSZ-coated SiC exposed to 2 h cycle exposure in 90 percent H2O/O2 at 1300 °C; (a) 100 h; (b) 200 h.
Grahic Jump Location
Mullite/YSZ-coated SiC after 100 h with 2 h cycles in 90 percent H2O/O2 at 1250 °C. The SiC coupon was oxidized for 100 h in air at 1300 °C prior to the application of coating.
Grahic Jump Location
Mullite-coated SiC coupon after 50 h in hot corrosion rig at 1000 °C
Grahic Jump Location
Mullite/Cordierite-coated SiC after 600 h with 20 h cycles at 1200 °C in air
Grahic Jump Location
Mullite/Mo Silicide/YSZ-coated SiC after 500 h with 2 h cycles at 1300 °C in 90 percent H2O/O2



Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In