微量元素P对Ni基铸造高温合金组织和持久性能的影响

金属学报, 2000, 36(12): 1240-1243. doi: 10.3321/j.issn:0412-1961.2000.12.003

微量元素P对Ni基铸造高温合金组织和持久性能的影响

徐岩 ^1, , 郭守仁 ^2, , 卢德忠 ^3, , 王玉兰 ^4, , 胡壮麒 ^5,

1.中国科学院金属研究所,沈阳,110015

2.中国科学院金属研究所,沈阳,110015

3.中国科学院金属研究所,沈阳,110015

4.中国科学院金属研究所,沈阳,110015

5.中国科学院金属研究所,沈阳,110015

关键词：磷 , Ni基铸造高温合金 , 显微组织 , 持久性能

EFFECT OF PHOSPHORUS ON MICROSTRUCTURE AND STRESS RUPTURE PROPERTY OF A Ni BASED CAST SUPERALLOY

研究了微量元素P对一种Ni基铸造高温合金组织和950℃不同应力条件下持久性能的影响结果表明,随着P含量的升高,合金的持久寿命和持久延伸率不断提高,当P含量(质量分数,下同)为0.017%时持久寿命达到峰值;P含量超过0.017%时合金在(γ+γ')共晶前沿析出磷化物相P对合金持久性能的有益作用是由于P偏聚到枝晶间和晶界,抑制晶界扩散,从而提高合金的晶界强度.

参考文献

[1]	Holt R T, Wallace W. Int Met Rev, 1976; 21:1
[2]	McLean M, Strang A. Met Technol, 1984; 11:454
[3]	Wang A C, Li Y Y, Fan C G, Shi C X. Mater Lett, 1994;19:251
[4]	Wang A C, Li Y Y, Fan C G, Yang K, Li D F, Zhao X,Shi C X. Scr Metall Mater, 1994: 31:1695
[5]	Zhu Y X, Zhang S, Zhang T X, Lou L H, Tong Y J, Ning X F, Hu Z Q, Xie X S. In: Loria E A ed., Superalloys 718, 625, 706 and Various Derivatives. Warrendale, PA:TMS, 1994:89
[6]	Chen C, Thompson R G, Davis D W. In: Loria E A ed.,Superalloys 718, 625, 706 and Various Derivatives, Warrendale, PA: TMS, 1991:81
[7]	Cao W D, Kennedy R L. In: Loria E A ed., Superalloys 718, 625, 706 and Various Derivatives. Warrendale, PA:TMS, 1994:463
[8]	McKamey C G, Carmichael C A, Cao W D, Kennedy R L. Scr Mater, 1998; 38:485
[9]	Song H W, Guo S R, Hu Z Q. Scr Mater, 1999; 41:215
[10]	Xie X S, Liu X B, Dong J X, Hu Y H, Xu Z C, Zhu Y X, Luo W B, Zhang Z W, Thompson R G. In: Loria E A ed., Superalloys 718, 625, 706 and Various Derivatives,Warrendale. PA: TMS, 1997:531
[11]	Hu Z Q, Sun W R, Guo S R. Acta Metall Sin (Engl Lett),1996; 9:443
[12]	Sun W R, Guo S R, Lu D Z, Hu Z Q. Metall Mater Trans 1997; 28A: 649
[13]	Guo S R, Sun W R, Lu D Z, Hu Z Q. In: Loria E A ed., Superalloys 718, 625, 706 and Various Derivatives Warrendale, PA: TMS, 1997:521
[14]	Was G S, Sung J K, Angeliu T M. Metall Mater Trans 1992; 23A: 3343
[15]	Song H W, Guo S R, Hu Z Q. Acta Metall Sin, 1999; 35387(宋洪伟,郭守仁,胡壮麒.金属学报,1999;35:387)
[16]	Song H W, Guo S R, Lu D Z, Xu Y, Wang Y L, Hu Z Q.Chin J Mater Res, 1999; 13:523(宋洪伟,郭守仁,卢德忠,徐岩,王玉兰,胡壮麒材料研究学报,1999;13:523)
[17]	Guo S R, Song H W, Lu D Z, Sun W R, Xu Y, Wang Y L, Hu Z Q. Acta Metall Sin, 1999; 35(Suppl.2): 18(郭守仁,宋洪伟,卢德忠,孙文儒,徐岩,王玉兰,胡壮麒.金属学报,1999;35(增刊2):287)

上一张下一张

计量

下载量()
访问量()

作者相关

文章评分

您的评分：
1

0%
2

0%
3

0%
4

0%
5

0%

材料期刊网

微量元素P对Ni基铸造高温合金组织和持久性能的影响

EFFECT OF PHOSPHORUS ON MICROSTRUCTURE AND STRESS RUPTURE PROPERTY OF A Ni BASED CAST SUPERALLOY

参考文献