Abstract
A three phase ceramic composite of 8 mol% Y2O3 stabilized ZrO2 (YSZ), SiO2, and Al2O3 was evaluated for potential high temperature superplasticity. The amorphous SiO2 content was 5 wt.%, and increasing additions of Al2O3 were made. The effect of varying the Y2O3 stabilizer concentration in ZrO2 was also studied. Samples sintered at 1200 °C contained only YSZ, Al2O3, and amorphous SiO2, but ZrSiO4 formed in the samples above 1300 °C. Mullite (3Al2O3 · 2SiO2) was not detected in any samples. Specimens of 1 wt.% Al2O3–YSZ/SiO2 had an anomalously high deformation rate of ∼2 × 10−4 s−1 at 1200 °C when compared to YSZ/SiO2 without Al2O3 (∼4 × 10-5 s−1). Higher amounts of Al2O3 additions decreased the strain rate. Extensive deformation of Al2O3 doped YSZ/SiO2 at 1200 °C induced the formation of ZrSiO4 due to enhanced reaction rates. This distributed, yet locally interconnected, zircon phase rapidly eroded the strain rate after ∼60% deformation.
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References
Kim BN, Hiraga K, Morita K, Sakka Y (2001) Nature 413:288
Chen I-W, Xue LA (1990) J Am Ceram Soc 73:2585
Morita K, Hiraga K, Kim BN, Sakka Y (2004) Mater Trans 45:2073
Sharif AA, Mecartney ML (2004) J Eur Ceram Soc 24:2041
Suzuki TS, Sakka Y, Morita K, Hiraga K (2000) Scripta Mater 43:705
Kajihara K, Yoshizawa Y, Sakuma T (1995) Acta Metall Mater 43:1235
Sharif AA, Mecartney ML (2003) Acta Mater 51:1633
Dillon RP, Sosa SS, Mecartney ML (2004) Scripta Mater 50:1441
Thompson AW (1972) Metallography 5:366
Ikuhara Y, Yoshida H, Sakuma T (2001) Mater Sci & Eng A A319-321:24
Sakuma T, Ikuhara Y, Takigawa Y, Thavorniti P (1997) Mater Sci & Eng A A234-236:226
Thavorniti P, Ikuhara Y, Sakuma T (1998) J Am Ceram Soc 81:2927
Hassan AAE, Menzler NH, Blass G, Ali ME, Buchkremer HP, Stover D (2002) J Mater Sci 37:3467
Chokshi AH, Yoshida H, Ikuhara Y, Sakuma T (2003) Mater Lett 57:4196
Sakka Y, Ishii T, Suzuki TS, Morita K, Hiraga K (2004) J Eur Cer Soc 24:449
Feighery AJ, Irvine JTS (1999) Solid State Ionics 121:209
Goretta KC, Cruse TA, Koritala RE, Routbort JL, Melendez-martinez JJ, De Arellano-Lopez AR (2001) J Eur Ceram Soc 21:1055
Ondik HM, Mcmurdie HF (eds) (1998) Phase diagrams for zirconium and zirconia systems. The American Ceramic Society, Westerville, p. 254
Kolitsch U, Seifert HJ, Ludwig T, Aldinger F (1999) J Mater Res 14:447
Yaroshenko V, Wilkinson DS (2000) J Mater Res 15:1358
Kanno Y (1989) J Mat Sci 24:2415
Sakka Y, Suzuki TS, Morita K, Nakano K, Hiraga K (2001) Scripta Mater 44:2075
Xue LA, Chen I-W (1992) J Am Ceram Soc 75:1085
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This work was supported by the National Science Foundation under Grant No. DMR-0207197.
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Dillon, R.P., Mecartney, M.L. Dynamic formation of zircon during high temperature deformation of zirconia–silica composites with alumina additions. J Mater Sci 42, 3537–3543 (2007). https://doi.org/10.1007/s10853-006-0582-x
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DOI: https://doi.org/10.1007/s10853-006-0582-x