全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
金属学报  2014 

Ru和Cr在一种无Re镍基单晶高温合金凝固过程中的作用

DOI: 10.11900/0412.1961.2014.00148, PP. 1025-1030

Keywords: Ru,Cr,镍基单晶高温合金,凝固特性,元素偏析

Full-Text   Cite this paper   Add to My Lib

Abstract:

在一种高性能无Re镍基单晶高温合金中分别添加一定质量分数的Ru和Cr,通过DTA,OM,SEM和EPMA等分析方法,研究Ru添加以及Cr含量变化对无Re合金凝固特性的影响.结果表明,Ru添加会增加共晶面积分数,使铸态组织中析出富Ru相,富Ru相析出量随Ru和Cr的同时添加而大量增加;Ru添加能促进TCP相形成元素W向枝晶干偏聚,抑制Mo向枝晶间偏聚;Cr含量增加能降低W的偏析系数,但对Mo的偏析系数无明显影响;Ru和Cr会共同作用影响合金的凝固组织及偏析,从而影响合金热处理工艺的制定和合金的组织稳定性.

References

[1]  Liu L R, Jin T, Zhao N R, Wang Z H, Sun X F, Guan H R, Hu Z Q. Acta Metall Sin, 2004; 40: 858 (刘丽荣, 金 涛, 赵乃仁, 王志辉, 孙晓峰, 管恒荣, 胡壮麒. 金属学报, 2004; 40: 858)
[2]  Caldwell E C, Fela F J, Fuchs G E. JOM, 2004; 56: 44
[3]  Collins H E. Metall Trans, 1974; 6: 189
[4]  Giamei A F, Anton D L. Metall Trans, 1985; 16A: 1997
[5]  Epishin A, Link T. In: Green K A, Pollock T M, Harada H, Howson T E, Reed R C, Schirra J J, Walston S eds., Superalloys 2004, Warrendale: TMS, 2004: 137
[6]  Austin C M, Darolia R, O'Hara K S, Ross E. US Pat, 5151249, 1992
[7]  Rae C M F, Karunaratne M S A, Small C J, Broomfield R W, Jones C N, Reed R C. In: Pollock T M, Kissinger R D, Bowman R R, Green K A, McLean M, Olson S L, Schirra J J eds., Superalloys 2000, Warrendale: TMS, 2000: 767
[8]  Rae C M F, Reed R C. Acta Mater, 2001; 49: 4113
[9]  Tin S, Pollock T M. Mater Sci Eng, 2003; A348: 111
[10]  Murakami H, Honma T, Koizumi Y, Harada H. In: Pollock T M, Kissinger R D, Bowman R R, Green K A, McLean M, Olson S L, Schirra J J eds., Superalloys 2000, Warrendale: TMS, 2000: 747
[11]  Lavigne O, Ramusat C, Drawin S, Caron P, Boivin D, Pouchou J L. In: Green K A, Pollock T M, Harada H, Howson T E, Reed R C, Schirra J J, Walston S eds., Superalloys 2004, Warrendale: TMS, 2004: 667
[12]  Yeh A C, Rae C M F, Tin S. In: Green K A, Pollock T M, Harada H, Howson T E, Reed R C, Schirra J J, Walston S eds., Superalloys 2004, Warrendale: TMS, 2004: 677
[13]  O’Hara K S, Walton W S, Ross E W, Darolia R. US Pat, 5482789, 1996
[14]  Heckl A, Neumeier S, Cenanovic S, Goken M, Singer R F. Acta Mater, 2011; 59: 6563
[15]  Sato A, Harada H, Yokokawa T, Murakumo T, Koizumi Y, Kobayashi T, Imai H. Scr Mater, 2006; 54: 1679
[16]  Hobbs R A, Zhang L, Rae C M F, Tin S. Metall Mater Trans, 2008; 39A: 1014
[17]  Epishin A, Link T, Brückner U, Fedelich B, Portella P. In: Green K A, Pollock T M, Harada H, Howson T E, Reed R C, Schirra J J, Walston S eds., Superalloys 2004, Warrendale: TMS, 2004: 537
[18]  Harris K, Erickson G L, Sikkenga S L, Brentnall W D, Aurrecoechea J M, Kubarych K G. In: Antolovich S D, Stusrud R W, Mackay R A, Anton D L, Khan T, Kissinger R D, Klarstrom D L eds., Superalloys 1992, Warrendale: TMS, 1992: 287
[19]  Carroll L J, Feng Q, Mansfield J F, Pollock T M. Mater Sci Eng, 2007; A457: 292
[20]  Caldwell E C, Fela F J, Fuchs G E. In: Green K A, Pollock T M, Harada H, Howson T E, Reed R C, Schirra J J, Walston S eds., Superalloys 2004, Warrendale: TMS, 2004: 811
[21]  Caron P, Khan T. Aerospace Sci Technol, 1999; 3: 513
[22]  Liu J L, Jin T, Zhang J H, Hu Z Q. Acta Metall Sin, 2001; 37: 1233 (刘金来, 金 涛, 张静华, 胡壮麒. 金属学报, 2001; 37: 1233)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133