슬립주입에 의한 Y - TZP/Ce-TZP 다층 복합체의 제조(II)

김민주; 이윤복; 김영우; 전병세; 박홍채; M.J. Kim; Y.B. Lee; Y.W. Kim; B.S. Jun; H.C. Park

Korean Journal of Materials Research, Vol.10, No.10, 677-683, October, 2000

Export Citation

슬립주입에 의한 Y - TZP/Ce-TZP 다층 복합체의 제조(II)

Fabrication of Y-TZP/Ce-TZP Multilayer Composites Using Slip Casting(II)

김민주, 이윤복, 김영우¹, 전병세², 박홍채

부산대학교 재료공학부
¹포항산업과학기술연구원
²경남대학교 신소재공학부

M.J. Kim, Y.B. Lee, Y.W. Kim¹, B.S. Jun², and H.C. Park

Division of Materials Science and Engineering, Pusan National University, Pusan 609-735, Korea
¹Research Institute of Industrial Science & Technology(RIST), Pohang 790-600, Korea
²Division of Advanced Materials Engineering, Kyungnam University, Masan 631-701, Korea

초록

3Y-TZP/12Ce-TZP 의 3층 5층 복합체를 슬립주입법으로 제조하고, 그 기계적 성질을 검토하였다. 지름-원반압축시험법으로 구한 다층복합체의 파괴강도는 327~534MPa이었다. Vickers압입하중의 증가(~300N)와 더불어 압입강도는 전반적으로 감소하였으나, 다층물질은 단상물질에 비하여 우수한 손상저항을 나타내었다. 49N의 하중으로 압입후 다층물질의 4점 꺽임강도는 620~674MPa 인데 반하여 단상 물질의 경우는 129~339MPa을 나타내었다. 압자압입에 의한 다층물질의 인서은 7.7 13.1MPa?m 1/2 정도를 나타내었다.

Three- and five-layer 3Y-YZP/12Ce- TZP composites prepared by a slip casting method have been characterized in terms of mechanical properties. The fracture strength of mutilayer c α nposites determined in a diametral compression test was 327~534 MPa. Although the indentation strength of the materials was generally reduced with i increasing Vickers indentation load up to 300 N, the damage resistance of multilayer composites was superior compared to monolithic layer TZP material. The four-point bend strength of the layered material remained at the values of 620~674 MPa after indentation with a load of 49 N, while that of the monolithic TZP material was 129~339 MPa. The microindentation toughness of the multilayer material was 7.7 13.1MPa?m 1/2.

Keywords:casting;composites;mechanical properties

[References]

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Niihara K, Morena R, Hasselman DPH, J. Mater. Sci. Lett., 1, 13 (1982)
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Rudinck A, Hunter AR, Holden FC, Mater. Res. Stand., 3(4), 283 (1963)
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[Related Articles]

[1] Garvie RC, J. Phys. Chem., 82(2), 218 (1978)

[2] Tsukuma K, Am. Ceram. Soc. Bull., 65, 1386 (1986)

[3] Gupa TK, J. Am. Ceram. Soc., 63(1-2), 117 (1980)

[4] Swain MV, J. Mater. Sci. Lett., 15(6), 1577 (1980)

[5] Green DJ, Lamge FF, James MR, J. Am. Ceram. Soc., 66(9), 623 (1983)

[6] Virkar AV, Huang JL, Culter RA, J. Am. Ceram. Soc., 70(3), 164 (1987)

[7] Claussen N, Ruhle M, Heuer(ed.) AH, Hobbs(ed.) LW, Science and Technology in Zirconia/ American Ceramic Society, pp.137-163, 1981 (1981)

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

[9] Hannink RMJ, Swain MV, J. Am. Ceram. Soc., 72, 90 (1989)

[10] Yu CS, Shetty DK, J. Am. Ceram. Soc., 72, 921 (1989)

[11] Marshall DB, J. Am. Ceram. Soc., 73, 3119 (1990)

[12] Tsukuma KE, Shimada M, J. Mater. Sci., 20, 1178 (1985)

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

[14] Clegg WJ, Kendall K, McN Alford N, Button TW, Birchall JD, Nature, 347, 455 (1990)

[15] Folsom CA, Zok FW, Lange FF, J. Am. Ceram. Soc., 77(8), 2081 (1994)

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

[17] Lakshminarayanan R, Shetty DK, Cutler RA, J. Am. Ceram. Soc., 79(1), 79 (1996)

[18] Sbaizero O, Lucchini E, J. Eur. Ceram. Soc., 16(8), 813 (1996)

[19] Wang H, Hu X, J. Am. Ceram. Soc., 79(2), 553 (1996)

[20] Cutler RA, Bright JD, Virkar AV, Shetty DK, J. Am. Ceram. Soc., 70(10), 714 (1987)

[21] She J, Scheppokat S, Janssen R, Claussen N, J. Am. Ceram. Soc., 81(5), 1374 (1998)

[22] Ovri JEO, Davies TJ, J. Mater. Sci., 23, 1817 (1988)

[23] Niihara K, Morena R, Hasselman DPH, J. Mater. Sci. Lett., 1, 13 (1982)

[24] Green DJ, Hannink RHJ, Swain MV, Transformation Toughened Ceramics/ CRC Press, pp.220-221, 1989 (1989)

[25] 이종현, 이윤복, 김영우, 오기동, 박흥채, 요업화학지, 33(10), 1177 (1996)

[26] Rudinck A, Hunter AR, Holden FC, Mater. Res. Stand., 3(4), 283 (1963)

[27] Theunissen GSAM, Winnubst AJA, Burggraaf AJ, J. Mater. Sci., 27, 5057 (1992)

[28] Wang J, Rainforth M, Stevens R, Br., Ceram.Trans. J., 88, 1 (1989)