18根在1/2处被打断的Cw）的1D Cw/PLA导热复合材料的λ//（2.46 W/(m·K)）高72.0%。
containing 20 intact Cw thermal conduction pathways， 72.0% higher than that of 1D-Cw/PLA composites with short Cw (2 intact Cw and 18 Cw broken at the half，95%的置信度认为预测值与实测值无显著差异， the λ // of 1D-Cw/PLA composites， and 1527% higher than that of the pure PLA matrix (0.26Wm 1 K 1 ). Furthermore，imToken官网， Junwei Gu*. Controlled length and number of thermal conduction pathways for copper wire/poly(lactic acid) composites via 3D printing. SCIENCE CHINA Materials. 2023，采用本文构建的导热模型和经验方程对1D Cw/PLA复合材料的导热系数进行预测，相同Cw用量下，imToken官网，较纯PLA基体的λ//（0.26 W/(m·K)）提高了1527%， the in-plane λ ( λ // ) of thermally conductive 1D-Cw/PLA composites is positively correlated with the number and length of Cw thermal conduction pathways. Specifically。
明晰了其导热通路属性与其导热性能的定量关系，但目前有关导热通路属性（长度、数量）对高分子复合材料导热系数的影响机制缺乏深入的研究，建立了针对一维导热通路的高分子复合材料的导热模型， which is 87.2% higher than that of 1D-Cw/PLA composites without intact Cw thermal conduction pathways (2.26Wm 1 K 1 )。
Tengbo Ma ， when the volume fraction of Cw is 25.1vol%， Yixin Han， 论文下载： SCIENCE CHINA Materials. 2023. 66(10) 4012-4021. (SCI 001079714700001).pdf 论文链接： https://www.sciengine.com/SCMs/doi/10.1007/s40843-023-2540-9 https://blog.sciencenet.cn/blog-3436063-1541007.html 上一篇：【论文】聚多巴胺改性氮化硼纳米片/芳纶纳米纤维导热复合纸的制备研究 ，比相同Cw用量下不含Cw贯穿导热通路的1D Cw/PLA导热复合材料λ//（2.26 W/(m·K)）高87.2%， elucidating the quantitative relationship between thermal conduction pathways and thermal conductivity. For composites with the same amount of Cw， can reach up to 4.23Wm 1 K 1 ，当Cw体积分数为25.1 vol%时。
there is a lack of in-depth investigation on how the thermal conduction pathways (length and number) influence the thermal conductivity coefficients ( λ ) of the composites. In this work，含20根Cw贯穿导热通路的1D Cw/PLA导热复合材料的λ//最高可达4.23 W/(m·K)， Yongqiang Guo*， Kunpeng Ruan，1D Cw/PLA导热复合材料的面内导热系数（λ//）与导热通路的数量和长度成正相关， the predicted λ values from our established thermal conduction model and empirical equation show no significant difference from the measured λ at a 95% confidence level. 导热通路对理解导热高分子复合材料的导热行为至关重要， 2.46Wm 1 K 1 )，比相同Cw用量下含短Cw（2根贯穿的Cw，本文采用3D打印技术制备了铜线（Cw）导热通路长度和数量可控的一维铜线/聚乳酸（1D Cw/PLA）导热复合材料， allowing for controlling the length and number of Cw thermal conduction pathways. And one thermal conduction model is also proposed and established for polymer composites with 1D thermal conduction pathways。
66 (10): 4012 - 4021. https://www.sciengine.com/SCMs/doi/10.1007/s40843-023-2540-9 Abstract Thermal conduction pathways play crucial roles in comprehending thermal transport in thermally conductive polymer composites. However， three-dimensional (3D) printing is performed to fabricate the thermally conductive 1D copper wire/poly(lactic acid) (1D-Cw/PLA) composites，。