研究了Ni或Co的加入对真空感应熔炼制备的CuCr25合金的组织形貌和物理性能的影响. 结果表明: 加入Ni或Co后可以明显改善CuCr25合金的显微组织, 避免出现Cr的宏观偏析, 大大提高了成品率, 提高了合金的耐电压强度和硬度, 合金的电导率有所降低. 真空感应熔炼法制备的CuCr25合金达到了常规方法制备的CuCr50的技术要求.
参考文献
| [1] | Slade P.G. .Advances in material development for high power, vacuum interrupter contacts[J].IEEE Transactions on Components, Packaging, and Manufacturing Technology. Part A,1994(1):96-106. |
| [2] | Satya Prasad V V;Rama Krishma Rao U;Misra R D K .Electroslag Crucible Melting of Age Hardening Copper-Chromium Alloy[J].Materials Science and Technology,1995,11:1306-1309. |
| [3] | Jin Y;Adachi K;Takeuchi T et al.Correlation between the Colding-Working and Aging Treatment in a Cu-15wt Pct Cr in Situ Composite[J].Metallurgical and Materials Transactions,1998,29A(08):2195-2204. |
| [4] | Cooper K P;Ayers J D;Malzahnkampe J C et al.Microstructural Evolution and Thermal Stability in Rapidly Solidified High-Chromium-Containg Coppers[J].Materials Science and Engineering A,1991,A142:221-233. |
| [5] | 赵峰;郭生武;丁秉钧 .Effects of the Cooling Rate on Microstructure and Properties of CuCr25 Prepared by Vacuum Arc Melting[J].高压电器,1999,6(06):19-23. |
| [6] | 赵峰,杨志懋,丁秉钧.CuCr25W1Col合金的性能研究[J].稀有金属材料与工程,2000(01):57-60. |
| [7] | Flemings M C;关玉龙;屠宝洪;许诚幸.凝固过程[M].北京:机械工业出版社,1981:256-269. |
| [8] | 虞觉奇;易文质;陈邦迪.二元合金状态图集[M].上海:上海科学技术出版社,1987:15. |
| [9] | 魏寿昆.活度在冶金物理化学中的应用[M].北京:中国轻工业出版社,1964:75-79. |
| [10] | 邱竹贤.冶金热化学[M].北京:冶金工业出版社,1985:70-73. |
| [11] | Y. Wang;Z. Yang;B. Ding;J. Zhou .The effect of electrode material and additives on the breakdown strength of a vacuum gap[J].IEEE transactions on dielectrics and electrical insulation: A publication of the IEEE Dielectrics and Electrical Insulation Society,1998(2):245-249. |
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