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Fabrication and morphology of NbC_X-C composite three-dimensional netted fibers

机译:NbC_X-C复合三维网状纤维的制备与形貌

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摘要

The raw materials were commercial powders of Nb_2O_5 (99.95/100), reactive carbon (99.99/100), NaCl (99.95/100) and sucrose (99.94/100). By the carbothermal method, the NbC_x (x= 0.98)-C composite three-dimensional netted fibers were prepared in graphite resistance furnace in 0.1 Mpa/N_2 ambient atmosphere at temperature from 970 to 1 120 deg. C. The diameters of composite Three-dimensional netted fibers are 12 - 38 μm, the hole circumferences of netted fibers are 0.22 - 2.2 mm, and the hole diameters are 70-701 μm.
机译:原料是Nb_2O_5(99.95 / 100),活性炭(99.99 / 100),NaCl(99.95 / 100)和蔗糖(99.94 / 100)的商业粉末。通过碳热法,在石墨电阻炉中,在0.1 Mpa / N_2的环境气氛中,于970至1 120度的温度下,制备了NbC_x(x = 0.98)-C复合三维网状纤维。 C.复合三维网状纤维的直径是12-38μm,网状纤维的孔周长是0.22-2.2mm,并且孔直径是70-701μm。

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