Ti-Zr-Hf-Si合金熔体对C/C复合材料的润湿性能影响研究

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Abstract：The introductionof aloy melts into thepores ofC/Ccomposites at high temperatures and in-situreactions with pre-deposited matrix materials result in the formation ofultra-high temperatureceramics with high strength， high melting point and excellent thermal conductivity，which are of great significance for today's increasingly stringent performance demands for high-temperature and thermal protection materials.This article focuses on the wettabilityof（Ti，Zr，Hf，Si） high temperature alloys，using thesesile drop methodas the testing principleand the YG0020-23oO ultra-high-temperature melt surface tension wetability meter to measure the wettability of multialloy meltsonpyrolyzed carbon materials，aiming toanalyze the influencing factorsand the intrinsic mechanism of the wettability in depth.The results show that the wetting angle is only 0.58585422∘ when the atomic ratio of Ti：Zr：Hf：Si is 3：12：4：2， and then the Ti .ZΓ -Hf-Si alloy melt has the best wetting performance.

Keywords：Ti-Zr-Hf-Sialloy;C/C composites;wettability;sessile dropmethod

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随着科技的日新月异，高温及热防护材料的性能需求愈发严苛[1-3]。（剩余8273字）