Junmin ZHANG, Xiaowu CHEN, Chunjin LIAO, Feiyu GUO, Jinshan YANG, Xiangyu ZHANG, Shaoming DONG. Optimizing Microstructure and Properties of SiCf/SiC Composites Prepared by Reactive Melt Infiltration [J]. Journal of Inorganic Materials, 2021, 36(10): 1103
- Journal of Inorganic Materials
- Vol. 36, Issue 10, 1103 (2021)
. Flowchart of SiCf/SiC composites fabrication process
. SEM images of pyrolytic carbon prepared with different organic pore former contents ((a) Pure PF; (b) Organic pore former: PF=0.1; (c) Organic pore former: PF=0.2, (d) Organic pore former: PF=0.3); (e) Pore size distribution of pyrolytic carbon
. Cross-sectional SEM images of preforms ((a) Pre-1, (b) Pre-2, (c) Pre-3), and (d) pore size distribution of the preforms
. XRD patterns of SiCf/SiC composites prepared with different impregnation treatments
. Cross-sectional SEM images of SiCf/SiC (a) Com-1, (b) Com-2 and (c) Com-3
. Elemental analyses of inter/intra-bundle matrix in composites
. (a) Bending load-displacement curves of composites, and fractural surface SEM images of composite ((b) Com-1, (c) Com-2 and (d) Com-3)
. (a) Schematic of reaction layer generated during the RMI, (b) curves of cumulative volume percentage vs pore diameter of preforms, and (c) variation of pore radius with infiltration time for preforms
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Table 1.
Different impregnation treatments to the preforms
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Table 2.
Comparison of the mechanical properties of the SiCf/SiC composites
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