Microstructure evolution accompanying high temperature; uniaxial tensile creep of self-reinforced silicon nitride ceramics

Materials Science and Engineering: A

Volumn 272, Issue 2, 1999, Pages 380-388

  Wei, Q ^a,b   Sankar, J ^a   Kelkar, A D ^a   Narayan, J ^b  

^a N   (United States)

^b North Carolina State University   (United States)

Author keywords

Ceramics; Creep; Dislocations; Microstructure; Self reinforced; Silicon nitride

Indexed keywords

CREEP TESTING; CRYSTAL MICROSTRUCTURE; DIFFUSION IN SOLIDS; DISLOCATIONS (CRYSTALS); ELECTRON DIFFRACTION; GRAIN BOUNDARIES; HIGH TEMPERATURE EFFECTS; NUCLEATION; STRAIN MEASUREMENT; STRESS CONCENTRATION; STRESS RELAXATION; TRANSMISSION ELECTRON MICROSCOPY;

BRAGG LINES; CAVITY FORMATION; GRAIN BOUNDARY INTERLOCKING; LARGE ANGLE CONVERGENT BEAM ELECTRON DIFFRACTION; STRAIN WHORLS;

SILICON NITRIDE;

CERAMICS; CREEP; MICROSTRUCTURE; SILICON NITRIDE;

EID: 0033619653     PISSN: 09215093     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0921-5093(99)00497-9     Document Type: Article

References (31)

1. Becher P.F. J. Am. Ceram. Soc. 74(2):1991;255-269.
2. Becher P.F., Swain M.V., Ferber M.K. J. Mater. Sci. 22(1):1987;76-84.
3. Hirao K., Nagaoka T., Brito M.E., Kanzaki S. J. Am. Ceram. Soc. 77(7):1994;1857-1862.
4. Tani E., Umebayashi S., Kishi K., Kobayashi K., Nishijima M. Am. Ceram. Soc. Bull. 65(9):1986;1311-1315.
5. Becher P.F., Sun E.Y., Plucknett K.P., Alexander K.B., Hsueh C.H., Lin H.T., Waters S.B., Westmoreland C.G. J. Am. Ceram. Soc. 81(11):1998;2821-2830.
6. 4. J. Mater. Sci. 10:1975;983-997.
7. Q. Wei, J. Sankar, J. Narayan, in: 23rd Cocoa Beach Annual Conference of the American Ceramic Society, January 24-29, 1999, Cocoa Beach, FL.
8. 4/MgO alloys. J. Mater. Sci. 15:1980;611-615.
9. Li C.-W., Reidinger F. Microstructure and tensile creep mechanisms of an in situ reinforced silicon nitride. Acta Mater. 45:1997;407-421.
10. Gasdaska C.J. Tensile creep in an in situ reinforced silicon nitride. J. Am. Ceram. Soc. 77:1994;2408-2418.
11. Whalen P.J., Gasdaska C.J., Silvers R.D. The effect of microstructure on the high temperature deformation behavior of sintered silicon nitride. Ceram. Eng. Sci. Proc. 11[7,8]:1990;633-649.
12. 3/AlN alloys. J. Mater. Sci. 28:1993;909-916.
13. Luecke W.E., Wiederhorn S.M., Hockey B.J., Krause R.E. Jr., Long G.G. Cavitation contributes substantially to tensile creep in silicon nitride. J. Am. Ceram. Soc. 78:1995;2085-2096.
14. Wiederhorn S.M., Hockey B.J., Cranmer D.C., Yeckley R. Transient creep behavior of hot isostatically pressed silicon nitride. J. Mater. Sci. 28:1993;445-453.
15. Cannon W.R., Langdon T.G. Review: creep of ceramics, part 1: mechanical characteristics. J. Mater. Sci. 18:1983;1-50.
16. Cannon W.R., Langdon T.G. Review: creep of ceramics, part 2: an examination of flow mechanisms. J. Mater. Sci. 23:1988;1-20.
17. Chyung C.K., Raj R. Solution-precipitation creep in glass ceramics. Acta Metall. 29:1981;159-166.
18. Wakai F. Step model of solution-precipitation creep. Acta Metall. Mater. 42:1994;1163-1172.
19. Wakai F., Kondo N. Solution-precipitation creep model for superplastic ceramics with intergranular liquid film. Bradt R.C., Brookes C.A., Routbort J.L. Plastic Deformation of Ceramics. 1995;269-277 Plenum, New York.
20. Wiezorek J.M.K., Preston A.R., Court S.A., Fraser H.L., Humphreys C.J. Burgers vector determination of decorated dislocations in g-TiAl by diffraction contrast and large-angle convergent-beam electron diffraction. Phil. Mag. A. 69:1994;285-299.
21. M. Tanaka, M. Terauchi, T. Kaneyama, Convergent Beam Electron Diffraction-II, JEOL, Tokyo, 1988.
22. Q. Wei, J. Sankar, A.D. Kelkar, J. Narayan, in: Proceedings of the 38th AIAA/SDM, 1997, pp. 971-979.
23. J.W. Edington, Practical Electron Microscopy in Materials Science, van Nostrand Reinhold Company, 1976, pp. 109.
24. Cowley J. Diffraction Physics. second:1981;North Holland, Amsterdam.
25. Butler E. Observation of dislocations in β-silicon nitride. Phil. Mag. 21:1971;829-834.
26. Evans A.G., Sharp J.V. Microstructural studies on silicon nitride. J. Mater. Sci. 6:1971;1292-1302.
27. Milhet X., Garem H., Demenet J.L., Rabier J., Rouxel T. Dislocations studies in β-silicon nitride. J. Mater. Sci. 31:1997;3733-3738.
28. Marquis P.M., Butler E. Non-axial dislocations in reaction-sintered silicon nitride. J. Mater. Sci. (Lett.). 12:1977;424-426.
29. 4. J. Am. Ceram. Soc. 56:1973;531-535.
30. Wiederhorn S.M., Luecke W.E., French J.D. Importance of cavitation to the creep of structural ceramics. Bradt R.C., Brookes C.A., Routbort J.L. Plastic Deformation of Ceramics. 1995;479-494 Plenum, New York.
31. Lofaj F., Okada A., Kawamoto H. Cavitational strain contribution to tensile creep in vitreous bonded ceramics. J. Am. Ceram. Soc. 80:1997;1619-1623.