金属学报  1984, Vol. 20 Issue (1): 47-148

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电渣重熔对一种Co基高温合金晶界化学成分的影响

戴彤孚;王淑荷;师昌绪

中国科学院金属研究所;中国科学院金属研究所;中国科学院金属研究所

EFFECT OF ESR ON CONSTITUTION NEARBY GRAIN BOUNDARY IN A Co-BASE SUPERALLOY

DAI Tongfu; WANG Shuhe; SHI Changxu (Institute of Metal Research; Academia Sinica; Shenyang) (Manuscript received 2 August; 1982; revised manuscript 25 January;1983)

戴彤孚;王淑荷;师昌绪. 电渣重熔对一种Co基高温合金晶界化学成分的影响[J]. 金属学报, 1984, 20(1): 47-148.
, , . EFFECT OF ESR ON CONSTITUTION NEARBY GRAIN BOUNDARY IN A Co-BASE SUPERALLOY[J]. Acta Metall Sin, 1984, 20(1): 47-148.

摘要 参考文献 相关文章 Metrics 全文: PDF(2013 KB)   摘要: 本文使用Auger电子能谱研究了电渣重熔对一种Co基高温合金(Co-22Ni-22Cr-14W)在时效(760℃)过程中晶界附近化学成分的影响。结果表明,稀土La能固溶于合金,且主要偏聚于晶界附近。电渣重熔降低偏聚于晶界附近的La原子浓度,对P,S更明显。Cr原子在时效过程中不断向晶界附近偏聚,而钨原子则偏聚不严重。电渣重熔对Cr原子能减弱其偏聚程度,但对钨原子影响不明显。在时效开始阶段,电渣重熔阻碍碳原子向晶界附近偏聚,随着时间的延长,加速了碳原子的偏聚。 Abstract：The effect of the electroslag remelting (ESR) on the constitution nearby the grain boundary in a Co-base superalloy, Co-22Ni-22Cr-14W, during 760℃ aging has been investigated by Auger electron spectrum. Results show that the segregation of alloying elements toward the grain boundary is of various extents by the influence of ESR: the segregation of La may be decreased, and of P and S more markedly; That of Cr may also be decreased, but not obviously yet of W. At the beginning of aging, the segregation of C toward the vicinity of the grain boundary may be obstructed by ESR, and with the prolongation of aging time, it might be accelerated. 收稿日期: 1984-01-18      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 戴彤孚 王淑荷 师昌绪 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y1984/V20/I1/47 1 Bhat, G, K.; Tobias, J.B.; Kennard, R.L., Second International Symposium on Electroslag Remelting Technology, Symp. Proc. Part one, Ed. Bhat, G.K., Pennsylvania, 1969． 2 #12 3 Heslop, J.; Knott, A.R., Met. Mater., 5 (1971) , No. 2, 59． 4 #12 5 Mclean, D., Grain Boundaries in Metals, Oxford, 1957, pp. 116--149． 6 Handbook of Auger Electron Spectroscopy, 2nd, Ed. Palmberg, P.W., Phys. Electr. Ind. Inc., Minnesota, 1976, pp. 5-10． 7 Aerospace Structural Metals Handbook, Eds. Wolf. J.; Brown, Jr., W.F., Belfour Stulen Inc., Watertown, Mass., 1975, Code 4310． 8 #12 9 Walsh, J. M; Anderson, N.P., Superalloys-Metallurgy and Manufacture, Proc. of the Ⅲ Int. Symp., Eds. Kear, B.H.; Muzyka, D.R., et al., Baton Rouge Clator's Publ., 1976, pp. 127-136 10 Yamagnchi, S., Met. Technol, 6 (1979) , 170． 11 曲哲,郭可信,金图学报,16(1980) ,371．/ No related articles found! Viewed Full text Abstract Cited   Shared      Discussed