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(4%-16%, mole fraction) were fabricated by vacuum non-consumable arc-melting method. The results indicate that the alloys contain niobium solid solution (Nbss), carbides (Nb2C, (Nb, Ti)C) and eutectic...; 1 Introduction Niobium-based alloys have been investigated as next generation high-temperature structure materials in place of current Ni-based or Co-based superalloys, which have a maximum......
transformation 1 Introduction Niobium and its alloys have been considered as one of the important candidates of high temperature structural materials in aero and aeronautical applications, due... oxidation resistance[3]. Therefore, as one of a relatively effective ways to improve the oxidation resistance, protective coatings on niobium alloys get much attention. The protective effect of a sputtered......
Effect of niobium on glass-formation ability and soft magnetic properties of Gd-doping glassy alloys ZHAO Shuisheng1,LONG Yi1,YE Rongchang1,CHANG Yongqin1,DING Yanhong1,LIU Xuan1 (1.School..., 4)alloys decreased after the addition of niobium element and was in the range of 1.5-2.9 A/m. The permeability spectrum of (Fe0.87Co0.13)7.3Gd3.5Nb1.5B25glassy ribbon showed that the relaxation......
Effect of niobium on glass-formation ability and soft magnetic properties of Gd-doping glassy alloys刘烜,丁艳红,赵水生,龙毅,叶荣昌,常永勤摘 要:The effect of niobium on glass... of glassy (Fe0.87Co0.13)71.5-xGd3.5NbxB25 (x=1.2, 1.5, 2, 2.5, 3, 4) alloys decreased after the addition of niobium element and was in the range of 1.5-2.9 A/m. The permeability spectrum of (Fe0.87Co0.13......
Effect of Replacing Vanadium by Niobium and Iron on the Tribological Behavior of HIPed Titanium AlloysMamoun Fellah1,2,Linda Aissani2,3,Mohammed Abdul Samad4,Alain Iost5,Alex Montagne54. Mechanical... of replacing vanadium by niobium and iron on the tribological behavior of hot-isostatic-pressed titanium alloy(Ti–6Al–4V)biomaterial,using a ball-on-disk-type oscillating tribometer,under wet......
Effect of Niobium on Microstructure and Properties of the CoCrFeNb_xNi High Entropy AlloysHui Jiang,Li Jiang,Dongxu Qiao,Yiping Lu,Tongmin Wang,Zhiqiang Cao,Tingju LiKey Laboratory of Solidification... of CoCrFeNbxNi(x values in molar ratio, x = 0, 0.25, 0.45, 0.5, 0.75, 1.0 and 1.2) high entropy alloys(HEAs) was prepared to investigate the alloying effect of Nb on the microstructures and mechanical......
. When the bonding temperature was 800 °C, the tensile specimen fractured at the interface between niobium and titanium alloys with brittle fracture characteristics. When the bonding temperature...Trans. Nonferrous Met. Soc. China 24(2014) 2839-2844 Interfacial structure and mechanical properties of hot-roll bonded joints between titanium alloy and stainless steel using niobium interlayer Dong......
J. Cent. South Univ. Technol. (2011) 18: 73-77 DOI: 10.1007/s11771-011-0661-2 Electrochemical synthesis, characterization and thermal properties of niobium ethoxide CAI Ya-nan(蔡亚楠)1, YANG Sheng...; 2. School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2011 Abstract: Niobium(V......
Protection, 2003, 6(8): 4-8.(in Chinese) [7]McDonald W K. Fabrication of niobium and niobium alloys [J]. International Journal of Refractory & Hard Metals, 1982, 1(3): 119-122. [8]ZHAI Jin-kun, MA Xiang, BAI Xin-de , et al. Studies of modified Si-Cr-Ti slurry fusion coating on C-103 niobium alloys [J]. Acta Aeronautica et Astronautica Sinica, 1994, 15(4): 499-506. [9]WANG Yu, GAO Jia-ping, LI......
effectively prevent the diffusion of oxygen into coating. Key words: niobium based alloy; pack cementation; silicide coating; formative mechanism 1 Introduction Nb-based alloys have been used...-yuan(黄道远) School of Materials Science and Engineering, Central South University, Changsha 410083, China Received 10 April 2006; accepted 25 April 2006 Abstract: The MoSi2 coating on C103 niobium......
