Traditional metal foams, which are incapable to meet the heat dissipation demands of today’s electronics industry, were recently reformulated by the incorporation of thermal inclusions of graphite flakes that enhance their heat dissipation efficiency. In this work we manufacture, by means of a one-pot liquid metal infiltration synthesis, new layer-structured multicomponent materials that consist of aluminium foam components alternated with aluminium/diamond composite components. The thermal conductivity of aluminium/diamond components can substantially vary with processing conditions, which allow the nano-dimensional control of reaction products at the aluminium-diamond interface. The experimental and analytical results, plus finite element modelling, revealed that the low thermal resistance interface between components derived from the one-pot synthesis route, allowed multicomponent materials to significantly improve the thermal dissipation of traditional foams since aluminium/diamond components acted as effective thermal guides capable of transferring heat to the aluminium foam components where dissipation was achieved by forced convection.

不能满足当今电子行业的散热要求的传统金属泡沫，最近通过掺入增强石墨散热效率的石墨薄片的热夹杂物而得到了重新配制。在这项工作中，我们通过一锅法液态金属渗透合成法制造了新的层状多组分材料，该材料由泡沫铝组分与铝/金刚石复合组分交替组成。铝/金刚石组分的热导率可以随加工条件而显着变化，这允许在铝-金刚石界面处对反应产物进行纳米级控制。实验和分析结果，加上有限元建模，