난류용탕 in-situ 합성법에 의해 제조된 TiB 2 입자강화 Cu 기지 복합재료의 특성

김정훈; 윤지훈; 이길근; 최일동; 박용호; 조경목; 박익민; J.H. Kim; J.H. Yun; G.G. Lee; I.D. Choi; Y.H. Park; K.M. Cho; I.M. Park

Korean Journal of Materials Research, Vol.15, No.12, 809-813, December, 2005

DOI10.3740/MRSK.2005.15.12.809 Export Citation

난류용탕 in-situ 합성법에 의해 제조된 TiB 2 입자강화 Cu 기지 복합재료의 특성

Characterization of TiB 2 Particle Reinforced Cu Matrix Composites Processed by Turbulent In-situ Mixing

김정훈^†, 윤지훈, 이길근¹, 최일동², 박용호, 조경목, 박익민

부산대학교 재료공학과
¹부경대학교 소재프로세서공학부
²한국해양대학교 기계소재공학부

J.H. Kim^†, J.H. Yun, G.G. Lee¹, I.D. Choi², Y.H. Park³, K.M. Cho³, and I.M. Park³

Division of Materials Science and Engineering, Pusan National University, Korea
¹School of Materials Process and Engineering, Pukyong National University, Korea
²Department of Mechanical & Materials Engineering, Korea Maritime University, Korea
³Division of Materials Sceince and Engineering, Pukyong National University, Korea

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A copper matrix composite reinforced by turbulent in-situ TiB 2 nanoparticle was Prepared by reactions of boron ana titanium. The microstructure, mechanical and electrical properties of the as-drawn composites were investigated. The results showed that the formed TiB 2 particles, which had a size of about from 50 to 200nm, exhibited a homogeneous dispersion in the copper matrix. Due to their reinforcement, the hardness and Young's modulus of Cu?TiB 2 composites were enhanced with increasing the cooling rate. Moreover, the electrical conductivity of the composites were improved with increasing the cooling rate.

Keywords:in-situ process;Cu matrix composites;nanoparticle;microstructure

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[1] Westwood ARC, Metall. Trans., 19A, 749 (1988)

[2] Park JY, Oh SJ, Jung CH, Hong GW, Kuk IH, J. Mater. Sci. Lett., 18(1), 67 (1999)

[3] Zhao N, Liu Z, Su R, Cao Y, Li G, Journal of Materials Engineering, 10, 23 (1995)

[4] Li XM, Liu DJ, Dai ZD, Jiang CY, Materials for Mechanical Engineering, 23(1), 36 (1999)

[5] Kwon YJ, Kobashi M, Choh T, Kanetake N, J. Japan Inst. Metals, 65(4), 273 (2001)

[6] Baikalova YV, Lomovsky OI, Journal of Alloys and Compounds, 297, 87 (2000)

[7] Maruyama T, Onose S, Journal of Nuclear Science and Technology, 36(4), 380 (1999)

[8] Lee J, Kim NJ, Jung JY, Lee ES, Ahn S, Scripta Materialia, 39(8), 1063 (1998)

[9] Masur LJ, Burke JT, Kattamis TZ, Flemings MC, Rapidly solidified amorphous and crystalline alloy, Kear BH, ed, Boston, (1982) (1982)

[10] Turkdong ET, Pysical Chemistry of High Temperature Technology, Academic Press, Newyork, 22 (1980) (1980)

[11] Ma ZY, Li JH, Li SX, Ning XG, Lu YX, Bi J, J. Mater. Sci., 31(3), 741 (1996)

[12] Atri RR, Ravichandran KS, Jha SK, Mater. Sci. Eng. A, 271, 150 (1999)

[13] Brown M, Ham RK, Nicholson(Eds.) RB, Strengthening Metals in Crystals, 9 (1971)

[14] Hasselman DPH, Johnson LF, J. Compo Mater., 21, 508 (1987)