The paper presents a new approach in the field of metal–matrix composite characterisation where an electrical conductivity measurement was used to calculate the electron part of composite thermal conductivity by using the Wiedemann–Franz law. The electrical and thermal conductivities of the composite were characterised and their relationship was analysed. Results showed that in comparison with simple analytical models, this method can also be used for predicting the thermal conductivity of the copper matrix–continuous carbon fibre composite in a transverse direction. The unidirectional composite was produced by diffusion bonding and contained 40–60 vol.% of unidirectional fibres. Experiments were performed in directions parallel and normal to the fibre orientation and showed that with an increasing ratio of fibre volume, both thermal and electrical conductivities decreased from 221.6 W/m·K to 38.7 W/m·K and from 35.8 MS/m to 5.3 MS/m, respectively.

中文翻译：

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Cu-CF复合材料的电导率和热导率

该论文提出了金属-基体复合材料表征领域的一种新方法，其中使用电导率测量通过 Wiedemann-Franz 定律计算复合材料热导率的电子部分。表征了复合材料的电导率和热导率，并分析了它们之间的关系。结果表明，与简单的分析模型相比，该方法还可用于预测铜基-连续碳纤维复合材料的横向热导率。单向复合材料是通过扩散粘合生产的，含有 40-60 vol.% 的单向纤维。在平行和垂直于纤维取向的方向上进行实验，结果表明随着纤维体积比的增加，