Compositions: ceramic – Ceramic compositions – Refractory
Patent
1998-01-23
1999-06-01
Group, Karl
Compositions: ceramic
Ceramic compositions
Refractory
C04B 35599
Patent
active
059087986
ABSTRACT:
An in situ toughened ceramic having a relatively high proportion of an alpha prime SiAlON phase and including an elongated rod shape grain structure of that phase.
REFERENCES:
patent: 4547470 (1985-10-01), Tanase et al.
patent: 4563433 (1986-01-01), Yeckley et al.
patent: 4826791 (1989-05-01), Mehrotra et al.
patent: 4845059 (1989-07-01), Kohtoku et al.
patent: 4873210 (1989-10-01), Hsieh
patent: 4880755 (1989-11-01), Mehrotra et al.
patent: 4913936 (1990-04-01), Mehrotra et al.
patent: 5120682 (1992-06-01), Ukyo et al.
patent: 5120687 (1992-06-01), Hsieh
patent: 5122317 (1992-06-01), Chen et al.
patent: 5227346 (1993-07-01), Hwang et al.
patent: 5238885 (1993-08-01), Asayama et al.
patent: 5264297 (1993-11-01), Jindal et al.
patent: 5312785 (1994-05-01), Pyzik et al.
patent: 5316988 (1994-05-01), O'Brien et al.
patent: 5370716 (1994-12-01), Mehrotra et al.
patent: 5413972 (1995-05-01), Hwang et al.
patent: 5468696 (1995-11-01), Ishizawa et al.
patent: 5580510 (1996-12-01), Tien et al.
Hwang, C.J. Susintzky, D.W. and Beamna, D.R., Preparation of Multication (1995).
Riedel, R. Kienzle, A., Dressler, W., Ruwisch, L., Bill, Jr., and Aldinger, F., A silicoboron carbonitride ceramic stable to 2,000 degree C., Nature, 382, 796-86 (1996).
Wang, H., Cheng, Y-B., Muddle, B.C., Gao, L., and Yen, T.S., Preferred orientation in hotpressed Ca .alpha.'SiAION ceramics, J. Mater. Sci. Lett., 15, 1447-49 (1996).
Shen, Z., Ekstrom, T., and Nygren, M., Temperature Stability of Samarium-Doped .alpha.'SiAION Ceramics, J. Eur. Ceram. Soc., 16 43-53 (1996).
Shen, Z., Ekstrom, T., and Nygren, M., Ytterbium-stabilized .alpha.'SiAION ceramics, J. Phys. D: Appl. Phys., 296, 893-904 (1996).
Nakayasu, T., Yamada, T., Tanaka, I., Adachi, H., and Goto, S., Electronic Structures of Ln.sup.3+ .alpha.'SiAIONs with Correlations to Solubility
Shen, Z., Ekstroom, T., and Nygren, M., Homogeneity Region and Thermal Stability of Neodymium-Doped .alpha.'SiAION Ceramics, J. Am. Ceram. Soc., 79, 721-32 (1996).
Shen, Z., Nordberg, L-O, Nygren, M., and Ekstrom, T., ".alpha.'SiAION Grains With High Aspect Ratio --Utopia or Reality", Proc. Nato AST Engineering Ceramics '96--Higher Reliability through Processing, Ed Babini, G.N., Kluwer Acad. Pub., Dordrecht, Netherlands, 169-78 (1997).
Nordberg, L-O, Shen, Z., Nygren, M., and Ekstrom, T., On the Extension of the .alpha.'SiAION Solid Solution Range and Anisotropic Grain Growth in Sm-Doped .alpha.-SiAION Ceramics, J. Eur. Ceram. Soc., 17, 575-80 (1997). 519-23 (1994).
Mitomo et al., "Fine-Grained Silicon Nitride Ceramics Prepared from
Cao et al., ".alpha.'-SiAION Ceramics: A Review," Chem. Mater. 1991. 3, 242-252.
Jack, SiAION Ceramics: Retrospect and Prospect, Mat. Res. Soc. Symp. Proc. vol. 287 (1993) pp. 15-27.
Katz, "Applications of Silicon Nitride Based Ceramics in the U.S., " Mat. Res. Soc. Symp. Proc. vol. 287 (1993), pp. 197-208.
Hoffman, "Analysis of Microstructural Development and Mechanical Properties of Si.sub.3 N.sub.4 Ceramics," Tailoring of mechanical Properties of Si.sub.3 N.sub.4 Ceramics (MJ Hoffman and G. Petzow (eds)), pp. 59-72 (1994).
Sheu, "Microstructure and Mechanical Properties of the In-Situ .beta.-Si.sub.3 N.sub.4 /.alpha.'-SiAion Composite," J. Am. Ceram. Soc.,
Hardie, D. and Jack, K.H., Crystal Structures of Silicon Nitride, Nature, 180, 332-22 (1957).
Lange, F.F., Relation Between Strength, Fracture Energy, and Microstructure (1973).
Hampshire, S., Park, H.K., Thompson, D.P., and Jack, K.H., .alpha.'SiAION ceramics, Nature, 274, 880-82 (1978).
Lange, F.F., Fracture Toughness of Si.sub.3 N.sub.4 as a Function of the (1979).
Lewis, M.H., Fung, R., and Taplin, D.M.R., Indentation Plasticity and Fracture of Si.sub.3 .sub.4 Ceramic Alloys, J. Mater. Sci., 16, 3437 (1981).
Becher, P.F., Microstructure Design of Toughened Ceramics, J. Am. Ceram. !259-76 (1992).
Riedel, R., Kleebe, H-J., and Schonfelder, H., A covalent micro
anocomposite resistant to high-temperature oxidation, Nature, 374, 526-28 (1995).
"Formation of .beta.-SiAIONs with Dual Modifying Cations (Li+Y and Ca+Y)," by Z.K. Huang, Y.Z. Jiang and T.Y. Tien, J. Mat'ls. Sci. Letters, vol. 16, pp. 747-751 (1997).
Huang, Z.K., Jiang, Y.Z., Tien., T.Y., "Formation of .alpha.SiALONx with Dual Modifying Cations (Li+Y and Ca+Y)," J. Mat'ls. Sci. Letters, vol. 16, pp. 747-751 (1997) and circumstances.
Thompson, Derek, "Tough Cookery" Nature, vol. 389, p. 675 (1997).
Chen, I-Wei and Rosenflanz, Anatoly, "A tough SiAION ceramic based on .alpha.-SI.sub.3 N.sub.4 with a whisker-like microstructure,"Nature, vol. 389, vol. 389, pp. 701-704 (1997) (presented at Ceramic Society Meeting May 5-7 1997).
Rosenflanz, Anatoly Zhanovich, ".alpha.'-SiAION: Phase Stability, Phase Transformations and Microstructural Evolutions" Dissertation (1997).
Chen I-Wei
Rosenflanz Anatoly
Group Karl
The Regents of the University of Michigan
LandOfFree
In-situ toughened alpha prime-sialon-based ceramics does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with In-situ toughened alpha prime-sialon-based ceramics, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and In-situ toughened alpha prime-sialon-based ceramics will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-954776