Effect of Cu addition on the microstructure, thermal physical properties and cyclic ablation of C/C-AlSi composite
Source abstract
Abstract
Al alloy modified C/C composites are one of the most promising light-weight materials. To understand the influence of alloying, AlSi and AlSiCu melts were pressure infiltrated into porous C/C skeletons respectively and the ablation properties were mainly studied. Results showed that Cu and Al generated Al 2 Cu in AlSi matrix, and the compression strength of the composite was enhanced while the thermal conductivity and the phase transition temperature decreased. The matrix alloy with Cu softened and melted faster and more during cyclic ablation, which protected the C/C skeleton form thermal stress damage. Thus, the addition of Cu led to a decrease in linear ablation rate.
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Research context
OpenAlex topics: Aluminum Alloys Composites Properties · Advanced ceramic materials synthesis · MXene and MAX Phase Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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