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...
材料工程  2004 

Mo对于Nb/Nb5Si3原位复合材料室温韧性的影响

Keywords: Nb/Nb5Si3原位复合材料,韧性,亚稳相,单边切口悬臂梁法

Full-Text   Cite this paper   Add to My Lib

Abstract:

利用真空电弧熔炼制备了Nb/Nb5Si3复合材料,在1200℃×100h热处理后,利用单边切口悬臂梁法(SENB)测定了Nb-Si合金的室温断裂韧性.研究了合金化元素Mo对Nb/Nb5Si3复合材料微观结构和室温韧性的影响.结果发现适量Mo的加入明显地改善了Nb-18Si的室温韧性.

References

[1]  Schlesinger M E, Okamoto H,Gokhale A B. The Nb-Si(Niobium-Silicon)system [J]. J Phase Equil, 1993, 14(4):502-509.
[2]  Gokhale A B and Abbaschian G J. The Mo-Si(MolybdenumSilicon)system [J]. J Phase Equil, 1991, 12(4):493-498.
[3]  Edward L A. Niobium-base super alloys via powder metallurgy technology [J]. JOM, 1987, 39(7):22-26.
[4]  李爱兰,曾燮榕,李贺军.Nb增韧MoSi2基复合材料的研究进展[J].材料工程,2002(2):6-9.
[5]  Subramanian P R, Parthasarathy T A, Mendiratta M G. Com pressive creep behavior of Nb5Si3 [J]. Scripta Metallurgica et Materialia, 1995, 32(8):1227-1232.
[6]  Mendiratta M G, Dimiduk D M . Phase relation and transformation kinetics on the high Nb region of the Nb-Si system [J].Scripta Metallurgica et Materialia, 1991, 25(1):237-242.
[7]  Mendiratta M G, Dimiduk D M. Strength and toughness of a Nb/Nb5Si3composite [J]. MetallTrans A, 1993, 24:501-504.
[8]  Jackson M R, Bewlay B P, Rowe R G. High-temperature refractory metal-intermetallic composites [J].JOM, 1996, 48:39-44.
[9]  Ashby M F, Blunt F J, Bannister M. Flow characteristics of highly constrained metal wires [J]. Acta Metall,1989, 7:1847-1857.
[10]  Kim W Y, Tanaka H, Hanada S. Microstructure and high temperature strength at 1773K of Nbss/Nb5Si3 composites alloyed with molybdenum [J]. Intermetallics, 2002, 10(6):625-634.
[11]  Kim W Y, Tanaka H, Kasama A. Microstructure and room temperature deformation of Nbss/Nb5Si3 in situ composites alloyed with Mo [J]. Intermetallics, 2001, 9(6):521-527.
[12]  Yi T, Hisao T, Ma C 1. Solid-solution strengthening and high temperature compressive strength of Nb-X alloys(X=Ta, V,Mo and W)[J]. Journal of the Japan Institute of Metals,2000, 64(7):559-565.
[13]  Peters B C and Hendrickson A A. Solid solution strengthening Nb-Ta and Nb-Mo alloy single crystals [J]. Met Trans, 1970,1(8):2271-2280.
[14]  Kim W Y, Tanaka H, Kasama A, Hanada S. Microstructure and room temperature fracture toughness of Nb/Nb5Si3 in situ composites [J].Intermetallics, 2001, 9(9):827-834.
[15]  曲士昱,王荣明,韩雅芳.航空材料学报,2001,21(3):9-12.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133