采用电弧熔炼和感应加热熔炼研究了不同组成Cu-Cr合金的凝固行为.结果表明:由于高温下Cu-Cr合金与坩埚材料发生反应,氧化铝坩埚中感应加热熔炼Cu-Cr合金受到污染,澄清了Müller与Li的争议;当合金中Cr的摩尔分数大于40%时,感应加热熔炼Cu-Cr合金出现了液相分离,合金与坩埚材料的反应生成物促进了Cu-Cr合金的液相分离.
参考文献
| [1] | Wang Y P;Ding B J .The preparation and the properties of microcrystalline and nanocrystalline CuCr contact materials[J].IEEE Transactions on Components Packaging and Manufacturing Technology,1999,22:167-472. |
| [2] | Wang YP.;Zhang CY.;Zhang H.;Ding BJ.;Lu K. .Effect of the microstructure of electrode materials on arc cathode spot dynamics[J].Journal of Physics, D. Applied Physics: A Europhysics Journal,2003(21):2649-2654. |
| [3] | Müller R .Arc-melted CuCr alloys as contact materials for vacuum interrupters[J].Siemens Forsch-u Entwickl-Ber Bd,1988,17(03):105-111. |
| [4] | Cooper K P;Ayers J D .Microstructure evolution and thermal stability in rapidly solidified high-chromium-containing copper alloys[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,1991,142:221-233. |
| [5] | Corria J B;Davies H A;Sellar C M .Strengthening in rapidly solidified age hardend Cu-Cr and Cu-Cr-Zr alloys[J].Acta Materials,1997,45:177-190. |
| [6] | Morris D G;Morris M A .Rapid solidification and mechanical alloying techniques applied to Cu-Cr alloys[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,1988,104:201-213. |
| [7] | Morris M A;Morris D G .Microstructures and mechanical properties of rapidly Cu-Cr alloys[J].ACTA METALLURGICA,1987,35:2511-2522. |
| [8] | Zhanbo Sun;Chengyu Zhang;Yaomin Zhu .Microstructures of melt-spun Cu_(100-x)-Cr_x (x=3.4-25) ribbons[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2003(1/2):165-168. |
| [9] | Z.M. Zhou;Y.P. Wang;J. Gao;M. Kolbe .Microstructure of rapidly solidified Cu-25 wt.% Cr alloys[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2005(1/2):318-322. |
| [10] | J. Gao;Y.P. Wang;Z.M. Zhou .Phase separation in undercooled Cu-Cr melts[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2007(0):654-657. |
| [11] | Robinson M.B.;Rathz T.J. .Measurements of Liquidus Temperatures in the Cu-Nb and Cu-Cr Systems[J].Journal of Phase Equilibria,2000(2):136-140. |
| [12] | Jacob K T;Priya S;Wasede Y .A thermodynamic study of liquid Cu-Cr alloys and metastable liquid immiscibility[J].Zeitschrift fur Metallkunde,2000,91:594-600. |
| [13] | Leonov M;Bochvar N;Ivanchenko V.Cr-Cu phase diagram[J].Doklady Akademii Nauk SSSR,1986(290):888-890. |
| [14] | Massalski T B;Okamoto H;Subramananian P R.Binary alloy phase diagrams[M].America:Willam W scotty,1990:1312-1386. |
| [15] | 李峰 .氧元素对Cu-Cr合金凝固行为的影响[D].东北大学,2007. |
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