Residual Stress on Concentric Laminated Fibrous Al2O3-ZrO2 Composites on Prolonged High Temperature Exposure

Swapan Kumar Sarkar; Byong Taek Lee

Korean Journal of Materials Research, Vol.23, No.9, 531-536, September, 2013

DOI10.3740/MRSK.2013.23.9.531 Export Citation

Residual Stress on Concentric Laminated Fibrous Al2O3-ZrO2 Composites on Prolonged High Temperature Exposure

Swapan Kumar Sarkar, and Byong Taek Lee^†

Biomedical Engineering and Materials Department, School of Medicine, Institute of Tissue Regeneration, Soonchunhyang University, 366-1, Sangyoung-dong, Cheonan City 330-090, Korea

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This paper investigates the effect of prolonged high temperature exposure on concentric laminated Al2O3-ZrO2 composites. An ultrafine scale microstructure with a cellular 7 layer concentric lamination with unidirectional alignment was fabricated by a multi-pass extrusion method. Each laminate in the microstructure was 2-3 μm thick. An alternate lamina was composed of 75%Al2O3-(25%m-ZrO2) and t-ZrO2 ceramics. The composite was sintered at 1500 oC and subjected to 1450 oC temperature for 24 hours to 72 hours. We investigated the effect of long time high temperature exposure on the generation of residual stress and grain growth and their effect on the overall stability of the composites. The residual stress development and its subsequent effect on the microstructure with the edge cracking behavior mechanism were investigated. The residual stress in the concentric laminated microstructure causes extensive micro cracks in the t-ZrO2 layer, despite the very thin laminate thickness. The material properties like Vickers hardness and fracture toughness were measured and evaluated along with the microstructure of the composites with prolonged high temperature exposure.

Keywords:laminated composites;residual stress;multi-pass extrusion;micro-structure;alumina;zirconia

[References]

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Aza AHD, CHevalier J, Fantozzi G, Schehl M, Torrecillas R, Biomater., 23(3), 937 (2002)
Lawn BR, Fracture of brittle solids. Cambridge University Press, London (1993)
Lange FF, J. Am. Ceram. Soc., 72(1), 3-15 (1989)
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Bechern PF, J. Am. Ceram. Soc., 74(2), 255 (1991)
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Sarkar P, Huang X, Nicholson PS, J. Am. Ceram. Soc., 75(10), 2907 (1992)
Russo CJ, Harmer MP, Chan HM, Miller GA, J. Am. Ceram. Soc., 75(12), 3396 (1992)
Cutler WA, Zok FW, Lange FF, Charalambides PG, J. Am. Ceram. Soc., 80(12), 3029 (2005)
Marshall DB, Ratto JJ, Lange FF, J. Am. Ceram. Soc., 74(12), 2979 (1991)
Kuo DH, Kriven WM, J. Am. Ceram. Soc., 80(9), 2421 (1997)
Oeschner M, Hillman C, Lange FF, J. Am. Ceram. Soc., 79(7), 1834 (1996)
Melendo MJ, Moro FG, Rodriguez AD, Acta. Mater., 48, 4715 (2000)
Grigoriev ON, Karoteev AV, Maiboroda EN, Berezhinsky IL, Serdega BK, Ostrovoi DY, Piskunov VG, Copm. Part B, 37, 530 (2006)
Sarkar SK, Lee BT, Ceram. Inter., 29(8), 887 (2003)
Chartier T, Merle D, Besson JL, J. Eur. Ceram. Soc., 15, 101 (1995)

[1] Lee BT, Nishiyama A, Hiraga K, Mater. Trans. JIM, 34(88), 682 (1993)

[2] Aza AHD, CHevalier J, Fantozzi G, Schehl M, Torrecillas R, Biomater., 23(3), 937 (2002)

[3] Lawn BR, Fracture of brittle solids. Cambridge University Press, London (1993)

[4] Lange FF, J. Am. Ceram. Soc., 72(1), 3-15 (1989)

[5] Evans AG, J. Am. Ceram. Soc., 73(2), 187 (1990)

[6] Bechern PF, J. Am. Ceram. Soc., 74(2), 255 (1991)

[7] Chartier T, Besson JL, Boch P, Mechanical Properties of ZrO2-Al2O3 Laminated Composites, Advances in Ceramics: Science and Technology of Zirconia III, Vol. 24B, ed. By S. Somiya, N. Yamamoto, and H. Yanagida, The American Ceramic Society, Westerville., 1131 (1988)

[8] Requena J, Moreno R, Moya JS, J. Am. Ceram. Soc., 72(8), 1511 (1989)

[9] Sarkar P, Huang X, Nicholson PS, J. Am. Ceram. Soc., 75(10), 2907 (1992)

[10] Russo CJ, Harmer MP, Chan HM, Miller GA, J. Am. Ceram. Soc., 75(12), 3396 (1992)

[11] Cutler WA, Zok FW, Lange FF, Charalambides PG, J. Am. Ceram. Soc., 80(12), 3029 (2005)

[12] Marshall DB, Ratto JJ, Lange FF, J. Am. Ceram. Soc., 74(12), 2979 (1991)

[13] Kuo DH, Kriven WM, J. Am. Ceram. Soc., 80(9), 2421 (1997)

[14] Oeschner M, Hillman C, Lange FF, J. Am. Ceram. Soc., 79(7), 1834 (1996)

[15] Melendo MJ, Moro FG, Rodriguez AD, Acta. Mater., 48, 4715 (2000)

[16] Grigoriev ON, Karoteev AV, Maiboroda EN, Berezhinsky IL, Serdega BK, Ostrovoi DY, Piskunov VG, Copm. Part B, 37, 530 (2006)

[17] Sarkar SK, Lee BT, Ceram. Inter., 29(8), 887 (2003)

[18] Chartier T, Merle D, Besson JL, J. Eur. Ceram. Soc., 15, 101 (1995)