Bowen CHEN, Jingxiao WANG, Youlin JIANG, Haijun ZHOU, Chunjing LIAO, Xiangyu ZHANG, Yanmei KAN, Dewei NI. Stable Zirconium Carbide Fibers Fabricated by Centrifugal Spinning Technique [J]. Journal of Inorganic Materials, 2020, 35(12): 1385
- Journal of Inorganic Materials
- Vol. 35, Issue 12, 1385 (2020)
1. Schematic of the centrifugal spinning system and the preparation of ZrC fibers
2. FT-IR spectra of ZrC precursors with different ZrO(CH3COO)2 : C12H22O11 ratios: (a) 4 : 1; (b) 4 : 1.2; (c) 4 : 1.5; and (d) ZrC precursor (with ZrO(CH3COO)2 : C12H22O11= 4 : 1.5) after pyrolysis at 600 ℃
3. TG-DSC curves of the as-spun green fibers prepared from ZrC precursor with ZrO(CH3COO)2 : C12H22O11=4 : 1.5
4. XRD patterns of ZrC fibers prepared from ZrC precursors with different ZrO(CH3COO)2:C12H22O11 ratios after heat- treatment at temperature range from 1400 to 1600 ℃ for 2 h(a) 4 : 1.5 @1400 ℃; (b) 4 : 1.5 @1500 ℃; (c) 4 : 1.5 @1600 ℃; (d) 4 : 1.2 @1600 ℃; (e) 4 : 1 @1600 ℃
5. SEM images of ZrC fibers prepared from ZrC precursor with ZrO(CH3COO)2 : C12H22O11=4 : 1.5((a) as-spun green fibers; (b) after heat-treatment at 600 ℃ and (c) after heat- treatment at 1600 ℃); and (d) TEM image of ZrC fibers after heat-treatment at 1600 ℃The insets in (a,b,c) are the corresponding local enlarged images; while the inset in (d) is the selected area electron diffraction (SAED) pattern of ZrC fibers
6. SEM images of ZrC fibers prepared from ZrC precursors with different ZrO(CH3COO)2 : C12H22O11 ratios after heat-treatment at 2000 ℃ for 2 h(a, b) 4 : 1; (c, d) 4 : 1.2; (e, f) 4 : 1.5
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