石墨烯对6063铝合金铸锭导热性能的影响

李俊; 王东涛; 张海; 张孝足; 王瑞

doi:10.15980/j.tzzz.2022.06.007

专题·金属基复合材料及应用 | 浏览量 : 0 下载量: 21 CSCD: 0

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石墨烯对6063铝合金铸锭导热性能的影响
Effects of Graphene on Thermal Conductivity of 6063 Alloy Ingots
2022年42卷第6期页码：700-704
纸质出版日期： 2022 ，
DOI： 10.15980/j.tzzz.2022.06.007

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李俊, 王东涛, 张海, 等. 石墨烯对6063铝合金铸锭导热性能的影响[J]. 特种铸造及有色合金, 2022,42(6):700-704.

Li Jun, Wang Dongtao, Zhang Hai, et al. Effects of Graphene on Thermal Conductivity of 6063 Alloy Ingots[J]. Special Casting & Nonferrous Alloys, 2022,42(6):700-704.
李俊, 王东涛, 张海, 等. 石墨烯对6063铝合金铸锭导热性能的影响[J]. 特种铸造及有色合金, 2022,42(6):700-704. DOI： 10.15980/j.tzzz.2022.06.007.

Li Jun, Wang Dongtao, Zhang Hai, et al. Effects of Graphene on Thermal Conductivity of 6063 Alloy Ingots[J]. Special Casting & Nonferrous Alloys, 2022,42(6):700-704. DOI： 10.15980/j.tzzz.2022.06.007.

摘要

采用混粉球磨、压制预制块及熔融铸造的方法制备出高导热的石墨烯/6063铝基复合材料铸锭。利用扫描电镜、火花直读光谱仪、X射线衍射以及拉曼光谱仪表征复合材料的成分含量、微观结构与缺陷等，并且分析了石墨烯的加入对于复合材料的导电、导热性能的影响。结果表明，制备的石墨烯/铝基复合材料且石墨烯在铝基体中分布较均匀。添加0.5%的石墨烯对于复合材料的导电、导热性能提升明显，其热导率提升到226.11 W/(m·K)

电导率提升到32.34 MS/m

相比未添加石墨烯的热导率增幅为16.0%

电导率提高了3.93%。

Abstract

Graphene/6063 aluminum matrix composite ingots with high thermal conductivity were prepared by mixing powder ball milling

pressing prefabricated blocks and melt casting. The composition

microstructure and defects of the composites were characterized by scanning electron microscopy

spark direct reading spectroscopy

X-ray diffraction and Raman spectroscopy

and the effects of graphene addition on the conductivity and thermal conductivity of the composites were analyzed. The results indicate that graphene can be fused into the aluminum matrix with a uniform distribution

and the electric conductivity and thermal conductivity are improved significantly. The thermal conductivity of 0.5 Gr/6063 composite is increased to 226.11 W/（m·K）

and the electrical conductivity is increased to 32.34 MS/m

which are increased by 16.0% and by 3.93%

respectively.