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Synthesis of Al2O3/AlN composite powders by plasma processed Al2O3 with various additives

Published online by Cambridge University Press:  03 March 2011

F.Y.C. Boey ,
X.L. Zhao  and
A.I.Y. Tok
F.Y.C. Boey
Affiliation:
Nanyang Technological University, School of Materials Engineering, Singapore 639798, Singapore
X.L. Zhao
Affiliation:
Nanyang Technological University, School of Materials Engineering, Singapore 639798, Singapore
A.I.Y. Tok*
Affiliation:
Nanyang Technological University, School of Materials Engineering, Singapore 639798, Singapore
*
a) Address all correspondence to this author. e-mail: [email protected]
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Abstract

A novel method was developed to produce Al2O3/AlN composite powders. The composite powders were synthesized by the direct nitridation of Al2O3 using various additives by plasma processed with two different types of gas (Ar/N2 and N2 plasma). The effects of these two different plasma gases and additives on the formation of the Al2O3/AlN composites were studied. The x-ray diffraction results in the composite powders showed that the cubic AlN was converted to the major phase while transient γ–Al2O3 was the minor phase when the composite powder was fully melted using nitrogen as the sole working gas. In contrast, the main phase was still α–Al2O3 when the composite powder was not well melted using the mixture of argon and nitrogen as the working gas. Carbon was found as an effective conversion additive to increase the cubic AlN of this composite powder up to 49 vol%. The reaction mechanism of forming this composite powder was also analyzed.

Keywords

Powder processingPlasma deposition
Type
Articles
Information
Journal of Materials Research , Volume 19 , Issue 5 , May 2004 , pp. 1356 - 1363
Copyright
Copyright © Materials Research Society 2004

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References

REFERENCES

1Suryanarayanan, R. Plasma Spray Applications for Electronic Materials, in Plasma Spraying Theory and Application, edited by Suryanarayanan, R. (World Scientific Publishing, 1993), pp. 217–237.CrossRefGoogle Scholar
2Kubel, E.D., Plasma Spray Coatings of High YBaCuO Superconductors. Adv. Mater. Proc. 132, 69 (1987).Google Scholar
3Chen, S.L. Experimental Design and Optimization of Plasma-Sprayed Coatings, in Thermal Spray Coatings, edited by Berndt, C.C. and Bernecki, T.F. (ASM International, Materials Park, OH, 1993), pp. 95–127.Google Scholar
4Miler, R.A. and Lowell, C.E., Failure Mechanisms of Thermal Barrier Coatings Exposed to Elevated Temperatures. Thin Solid Films 95, 265 (1982).CrossRefGoogle Scholar
5Wortman, D.J., Properties of Plasma-Sprayed Bond Coats. J. Mater. Sci. Eng. A 121, 437 (1989).Google Scholar
6Koch, C.C., Materials Synthesis by Mechanical Alloying. Int. Mater. Rev. 33, 201 (1988).Google Scholar
7Kazuhiro, B., Nobuaki, S. and Yonezawa, M., Synthesis and Properties of Ultrafine AlN Powder by rf Plasma. Appl. Phys. Lett. 54, 2309 (1989).Google Scholar
8Ishizaki, K., Egashira, T., Tanaka, K. and Celis, P.B., Direct Production of Ultra-fine Nitride (Si3N4 and AlN) and Carbide (SiC, WC, and TiC) Powders by the Arc Plasma Method. J. Mater. Sci. 24, 3553 (1989).Google Scholar
9Koczak, M.J. and Premkumar, M.K., Shaping and Forming of High Performance Powder Products. JOM 45, 44 (1993).Google Scholar
10 C.C. Berndt and J.H. Yi: Composite Plasma Sprayed Coatings, in 12th International Thermal Spraying Conference, London, U.K., 1989; Paper 2.Google Scholar
11Sampath, S. and Gradnmndsson, B. Thermal Spray Research and Application, inProc. 3rd Nat. Thermal Spray Conf., edited by Bernecki, Thomas F. (ASM International, Materials Park, OH, 1991), p. 357.Google Scholar
12Weimer, A.W., Carbide, Nitride, and Boride Materials: Synthesis and Processing (Chapman & Hall, London, U.K., 1997), p. 246.Google Scholar
13Kong, P.C. and Huang, T.T., Synthesis of SiC powders using a DC plasma system. Proc. 6th Int. Symp. Plasma Chem. 1, 219 (1983).Google Scholar
14Tayler, R.R. and Pizands, S.A. Plasma and Laser Processing of Materials, Proc. TSM 91 Annual Meeting, (Pergamon Press, Oxford, U.K., 1991), pp.123.Google Scholar
15Tanaka, K. and Egashira, T., Non-Oxide Materials: Applications and Engineering. J. Mater. Sci. 22, 2192 (1987).Google Scholar
16Ishizaki, K., Egashira, T., Tanaka, K. and Celis, P.B., Direct Production of Ultra-fine Nitride (Si3N4 and AlN) and Carbide (SiC, WC, and TiC) Powders by the Arc Plasma Method. J. Mater. Sci. 24, 3553 (1989).CrossRefGoogle Scholar
17 C.C. Berndt and J. Karthikeyan: Comparison of heat and momentum transfer to ceramic particles sprayed in Ar-H2 and Ar-He plasma jets at atmospheric pressure, Proc. PEAM6, edited by Berndt, C.C. and Ki Li (1987).Google Scholar
18Nicholas, P.C., Handbook of Ceramics and Composites (1990), pp. 2–3.Google Scholar
19Ishida, H., Characterization of Composites Materials (Butterworth- Heinemann, Boston, MA and Greenwich, CT, 1994), pp. 9–10.Google Scholar
20Mah, T. Multicomponent Ceramic Powders, in Chemical Processing of Ceramics, edited by Lee, I. (Bustrond, New York, 1994), pp. 75–105.Google Scholar
21Boey, F.Y.C. and Sun, L.M., High Dieletric Al2O3/AlN Composites Powder Using a Plasma Spray Approach for Microelectronics Application. J. Mater. Sci. 10, 455 (1999).Google Scholar
22Boey, F.Y.C., Cao, L., Khor, K.A. and Tok, A.I.Y., Phase Reaction and Sintering Behavior of an Al2O3–20 wt% AlN–5 wt% Y2O3 System. Acta Mater. 49, 3117 (2001).Google Scholar
23Billy, M., Devin, C., Jarrige, J. and Mexmain, J., Grain Growth in Annealed Aluminum Nitride. Phys. Chem. Solid State 32, 381 (1984).Google Scholar
24Komeya, K., Inoue, H. and Tsuge, A., Effect of Various Additives on Sintering of Aluminum Nitride. Yogyo-yokai-Shi 89, 330 (1982).Google Scholar
25Jackson, T.B. and Virkar, A.V., High Thermal Conductivity Alumnum Nitride Ceramics: The Effect of Thermodynamic, Kinetic, and Microtructural Factors. J. Am. Ceram. Soc. 80, 1421 (1997).Google Scholar
26Sieers, P.A., Jackson, M.R., Mehan, R.L. and Rairden, J.R., Production of Composite Structures by Low Pressure Plasma Deposition. Ceram. Eng. Sci. Proc. 6, 896 (1985).Google Scholar
27Boc, P., Fargeot, D., Gault, C. and Platon, F., Variations of the Elastic Moduli of Alumina During Structural Phase Transition. Rev. Int. Hautes Temper. Refract. 18, 85 (1981).Google Scholar
28McPherson, R., Formation of Metastable Phases in Flame and Plasma Prepared Alumina, J. Mater. Sci. 8, 851 (1973).Google Scholar
29Pfender, E. Fundamental Studies Associated With the Plasma Spray Process, in Thermal Spray-Advances in Coating Technology (Conference Proceedings), edited by Houck, D.L. (ASM International, Materials Park, OH, 1988), pp. 1–10.Google Scholar
30Ganguli, D. and Chatterjee, M.Ceramic Powder Preparation: A Handbook (Kluer Academic Publishers, MA, USA, 1997), pp.123125.Google Scholar
31Baik, Y., Shanker, K., Mcdermid, J.R. and Robin, A.L.D., Carbothermal Synthesis of Aluminum Nitride Using Sucrose. J. Am. Ceram. Soc. 77, 2165 (1994).Google Scholar