Hostname: page-component-cd9895bd7-fscjk Total loading time: 0 Render date: 2024-12-23T16:20:38.219Z Has data issue: false hasContentIssue false
  • English
  • Français

Chemical vapor deposited SiC (SCS-0) fiber-reinforced strontium aluminosilicate glass-ceramic composites

Published online by Cambridge University Press:  31 January 2011

Narottam P. Bansal
Narottam P. Bansal
Affiliation:
National Aeronautics and Space Administration, Lewis Research Center, Cleveland, Ohio 44135
Get access

Abstract

Unidirectional SrO · Al2O3 · 2SiO2 glass-ceramic matrix composites reinforced with uncoated chemical vapor deposited (CVD) SiC (SCS-0) fibers have been fabricated by hot-pressing under appropriate conditions using the glass-ceramic approach. Almost fully dense composites having a fiber volume fraction of 0.24 have been obtained. Monoclinic celsian, SrAl2Si2O8, was the only crystalline phase observed in the matrix by x-ray diffraction. No chemical reaction was observed between the fiber and the matrix after high temperature processing. In three-point flexure, the composite exhibited a first matrix cracking stress of ∼231 ± 20 MPa and an ultimate strength of 265 ± 17 MPa. Examination of fracture surfaces revealed limited short length fiber pull-out. From fiber push-out, the fiber/matrix interfacial debonding and frictional strengths were evaluated to be ∼17.5 ± 2.7 MPa and 11.3 ± 1.6 MPa, respectively. Some fibers were strongly bonded to the matrix and could not be pushed out. The micromechanical models were not useful in predicting values of the first matrix cracking stress as well as the ultimate strength of the composites.

Type
Articles
Information
Journal of Materials Research , Volume 12 , Issue 3 , March 1997 , pp. 745 - 753
Copyright
Copyright © Materials Research Society 1997

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1.Bansal, N. P., Ceramic Fiber Reinforced Glass-Ceramic Matrix Composite, U.S. Patent 5 214 004, May 25, 1993.Google Scholar
2.Bansal, N. P., Method of Producing a Ceramic Fiber-Reinforced Glass-Ceramic Matrix Composite, U.S. Patent 5 281 559, January 25, 1994.Google Scholar
3.Bansal, N. P., SiC/Celsian Glass-Ceramic Matrix Composites, HITEMP Review 1991: Advanced High Temperature Engine Materials Technology Program, NASA CP-10082, 1991, pp. 75–1 to 75–15.Google Scholar
4.Wawner, F. W., Teng, A. Y., and Nutt, S. R., SAMPE Quart. 14 (3), 39–45 (1983).Google Scholar
5.Eldridge, J. I., Bhatt, R. T., and Kiser, J. D., Investigation of Interfacial Shear Strength in SiC/Si3N4 Composites, NASA TM-103739, 1991.Google Scholar
6.Bansal, N. P. and Drummond, C. H. III, J. Am. Ceram. Soc. 76 (5), 1321–1324 (1993).Google Scholar
7.Bansal, N. P., Fiber-Reinforced Refractory Glass-Ceramic Composites, in HITEMP Review 1993: Advanced High Temperature Engine Materials Technology Program, Vol. III-Turbine Materials–CMCs, Fibers, NASA CP 19117, p. 63–1 to 63–13 (1993).Google Scholar
8.Prewo, K. M., J. Mater. Sci. 21 (10), 3590–3600 (1986).CrossRefGoogle Scholar
9.Bhatt, R. T. and Hull, D. R., Microstructural and Strength Stability of CVD SiC Fibers in Argon Environment, NASA TM 103772, 1991.Google Scholar
10.Bansal, N. P., CVD Silicon Carbide Monofilament Reinforced SrO-Al2O3-2SiO2(SAS) Glass-Ceramic Composites, NASA TM 106992, 1995.Google Scholar
11.Jurewicz, A. J. G., Kerans, R. J., and Wright, J., Ceram. Eng. Sci. Proc. 10 (7–8), 925–937 (1989).CrossRefGoogle Scholar
12.Goettler, R. W. and Faber, K. T., Composites Sci. Technol. 37 (1–3), 129–147 (1989).Google Scholar
13.Bansal, N. P., Processing and Properties of CVD SiC Fiber-Reinforced BaAl2Si2O8 Glass-Ceramic Matrix Composites, in Proc. of 17th Conference on Metal Matrix, Carbon, and Ceramic Matrix Composites, Cocoa Beach, FL, Jan. 10–15, 1993; NASA Conference Publication 3235, Part 2, pp. 773–797 (1994).Google Scholar
14.Murthy, V. S. R. and Lewis, M. H., Br. Ceram. Trans. J. 89 (5), 173–174 (1990).Google Scholar
15.Marshall, D. B., Cox, B. N., and Evans, A. G., Acta Metall. 33 (11), 2013–2021 (1985).Google Scholar
16.Singh, R. N., J. Am. Ceram. Soc. 73 (10), 2930–2937 (1990).Google Scholar
17.Griffin, C. W., Limaye, S. Y., Richerson, D. W., and Shetty, D. K., Ceram. Eng. Sci Proc. 11 (9–10), 1577–1591 (1990).Google Scholar
18.Budiansky, B., Hutchinson, J. W., and Evans, A. G., J. Mech. Phys. Solids 34 (2), 167–189 (1986).CrossRefGoogle Scholar
19.Phillips, D. C., Sambell, R. A. J., and Bowen, D. H., J. Mater. Sci. 7, 1454–1464 (1972).CrossRefGoogle Scholar
20.Curtin, W. A., J. Am. Ceram. Soc. 74 (11), 2837–2845 (1991).CrossRefGoogle Scholar
21.Curtin, W. A., Composites 24 (2), 98–102 (1993).Google Scholar
22.Bansal, N. P., unpublished research.Google Scholar
23.Singh, R. N., J. Mater. Sci. 26 (23), 6341–6351 (1991).CrossRefGoogle Scholar
24.Bleay, S. M., Scott, V. D., Harris, B., Cooke, R. G., and Habib, F. A., J. Mater. Sci. 27 (10), 2811–2822 (1992).Google Scholar