Effects of zirconium carbide content on thermal stability and ablation properties of carbon/phenolic composites |
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Affiliation: | 1. Área de Materiales Compuestos Estructurales, Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA), UNMdP, CONICET, Facultad de Ingeniería, Av. Juan B Justo 4302, B7608FDQ Mar del Plata, Argentina;2. Área de Ecomateriales, Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA), UNMdP, CONICET, Facultad de Ingeniería, Av. Juan B Justo 4302, B7608FDQ Mar del Plata, Argentina;3. Área de Cerámicos, Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA), UNMdP, CONICET, Facultad de Ingeniería, Av. Juan B Justo 4302, B7608FDQ Mar del Plata, Argentina;4. Área de Electroquímica Aplicada, Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA), UNMdP, CONICET, Facultad de Ingeniería, Av. Juan B Justo 4302, B7608FDQ Mar del Plata, Argentina;1. Composite Research Center, Department of Materials Science and Engineering, Institute of Space Technology, Islamabad, Pakistan;2. Center of Excellence, National Engineering and Scientific Commission, Islamabad, Pakistan;1. Polymer Engineering Department, Amir Kabir University of Technology, P.O. Box 15875-4413, Tehran, Islamic Republic of Iran;2. Polymer Engineering Department, Faculty of Chemical Engineering, Tarbiat Modares University, P.O. Box 14115-143, Tehran, Islamic Republic of Iran |
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Abstract: | Ceramic particles were utilized to improve thermal stability and ablation properties of carbon/phenolic (C/Ph) composites. In this study, zirconium carbide (ZrC) modified C/Ph composites were fabricated by vacuum impregnation method, and effects of ZrC content on thermal stability and ablation properties were investigated by thermogravimetry analysis and plasma wind tunnel test. Moreover, morphological characterization was carried out using X-ray diffraction, scanning electron microscopy and energy dispersive X-ray spectroscopy. Experimental results showed that increasing ZrC content could lead to an evident increase in char yield, but an observable reduction in linear ablation rates and back-face temperatures because of the formation of ZrO2 layer on the ablation surface. The work provided an effective way to improve thermal stability and ablation properties of C/Ph composites. |
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Keywords: | Composites Thermal properties Thermal applications |
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