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LIANMEI WU1, GAOHUI WU2,* , BINGQING LI2, PENGCHAO KANG2, SU CHEN2, WENSHU YANG2
Interpenetrating Al graphite composites were fabricated by vacuum pressure infiltration technique The ablation performance was evaluated by an arc heater. After the addition of Al, the linear ablation rate decreased by one order of magnitude. At the beginning of the ablation Al inside the composite near the ablation surface rapidly liquefied and evaporated, which helped to decrease the temperature rise inside the composites. Then the liquid or evaporated Al was oxidized to form a liquid Al2O3 layer on the ablation surface to protect the composites from further ablation. Thus the ablation resistance of the composite was greatly improved.
Interpenetrating Al/graphite composites, Aerospace materials, Ablation mechanism.
LIANMEI WU, GAOHUI WU, BINGQING LI, PENGCHAO KANG, SU CHEN, WENSHU YANG, Ablation behaviour of interpenetrating Al/graphite composites, Optoelectronics and Advanced Materials - Rapid Communications, 9, 3-4, March-April 2015, pp.381-383 (2015).
Submitted at: March 16, 2014
Accepted at: March 19, 2015
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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