High thermal conductivity of GF@Cu@Ni/Si/Al composites reinforced with Cu and Ni co-deposited graphite flakes

Han, Xiaopeng; Huang, Ying; Ding, Lei; Gao, Xiaogang; Xu, Zhipeng

doi:10.1016/j.ceramint.2020.04.254

Cited by 21 publications

(1 citation statement)

References 32 publications

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“…In case of rGO, attention is acquired due to lightweight, large surface area, and higher electrical and thermal conductivity. [ 29–31 ] However, partially rGO sheets are unfavorable as an effective EM wave absorber due to a lack of impedance matching properties. [ 32 ] Therefore, in order to improve its impedance matching, it is coupled with magnetic materials like Ni, [ 33 ] Fe 3 O 4 , [ 34 ] NiFe 2 O 4 , [ 35 ] CoFe 2 O 4 , [ 36,37 ] and carbonyl iron.…”

Section: Introductionmentioning

confidence: 99%

Microwave Absorption Performance of Core–Shell rGO/Ni_0.5Co_0.5Fe₂O₄@PEDOT Composite: An Effective Approach to Reduce Electromagnetic Wave Pollution

et al. 2022

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In recent years, the modern technologies working with electromagnetic waves are growing rapidly. Along with this side, malfunctioning in electronic devices and harmful effects of electromagnetic waves on living bodies are observed. Thus, to reduce the electromagnetic radiations pollution and interference problems, electromagnetic wave absorber materials are intensely in demand. Herein, with the aim, the core–shell designed rGO/NiCoFe2O4@PEDOT composites are synthesized through in situ oxidative polymerization method. The structural, morphological, and thermal properties of the composites are studied. The TEM and SEM results confirm the polymerization of PEDOT over the surface of rGO/NiCoFe2O4, i.e., the genesis of core–shell structure formation. The absorption of electromagnetic waves is investigated in the Ku‐frequency band. The maximum microwave absorption and total shielding effectiveness of rGO/NiCoFe2O4@PEDOT composite are estimated as 34.74 dB and 38.79, respectively, with broad absorption bandwidth. The surpassing absorption performance is gained by its characteristic properties such as improved impedance matching, synergic effects of dielectric and magnetic loss, and attenuated behavior exhibited by the material. A comprehensive discussion on the absorption mechanism is presented in this article. The enhanced shielding results of rGO/NiCoFe2O4@PEDOT composite reveal that the material can be used to design lightweight microwave absorbers.

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Section: Introductionmentioning

confidence: 99%

Microwave Absorption Performance of Core–Shell rGO/Ni_0.5Co_0.5Fe₂O₄@PEDOT Composite: An Effective Approach to Reduce Electromagnetic Wave Pollution

et al. 2022

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The Effect of Graphite Flake Volume Fraction on the Thermophysical Proper Ties of Graphite Flake/Aluminum Composites

Chi,

Du,

Sun

et al. 2024

Adv Eng Mater

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Vacuum hot‐press sintering process is utilized to manufacture graphite flake/aluminum composites, and the influence of graphite flake volume fraction on the microscopic structure, hardness, thermal conductivity (TC) and coefficient of thermal expansion (CTE) of the composites are investigated. The results indicate that the graphite flakes are neatly aligned along the in‐plane direction in the composites and exhibit a strong bond with the aluminum matrix interface. The in‐plane TC of the composite significantly increase with the addition of graphite flakes, whereas hardness, through‐plane TC, and the CTE decrease. As the volume fraction of graphite flakes in the composites increase from 15% to 60%, in‐plane TC improve from 278.8 to 353.8 W m–1 K–1, through‐plane TC decrease from 164.4 to 33.2 W m–1 K–1, and the CTE decrease to 13.7 × 10–6 K–1, achieving high thermal conductivity and a low coefficient of thermal expansion.This article is protected by copyright. All rights reserved.

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Synthesis, properties, and interface modification of carbon/aluminum composites for thermal management: a review

Zhu,

Xia,

Zhang

et al. 2024

J Mater Sci

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High thermal conductivity of GF@Cu@Ni/Si/Al composites reinforced with Cu and Ni co-deposited graphite flakes

Cited by 21 publications

References 32 publications

Microwave Absorption Performance of Core–Shell rGO/Ni_0.5Co_0.5Fe₂O₄@PEDOT Composite: An Effective Approach to Reduce Electromagnetic Wave Pollution

Microwave Absorption Performance of Core–Shell rGO/Ni_0.5Co_0.5Fe₂O₄@PEDOT Composite: An Effective Approach to Reduce Electromagnetic Wave Pollution

The Effect of Graphite Flake Volume Fraction on the Thermophysical Proper Ties of Graphite Flake/Aluminum Composites

Synthesis, properties, and interface modification of carbon/aluminum composites for thermal management: a review

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High thermal conductivity of GF@Cu@Ni/Si/Al composites reinforced with Cu and Ni co-deposited graphite flakes

Cited by 21 publications

References 32 publications

Microwave Absorption Performance of Core–Shell rGO/Ni0.5Co0.5Fe2O4@PEDOT Composite: An Effective Approach to Reduce Electromagnetic Wave Pollution

Microwave Absorption Performance of Core–Shell rGO/Ni0.5Co0.5Fe2O4@PEDOT Composite: An Effective Approach to Reduce Electromagnetic Wave Pollution

The Effect of Graphite Flake Volume Fraction on the Thermophysical Proper Ties of Graphite Flake/Aluminum Composites

Synthesis, properties, and interface modification of carbon/aluminum composites for thermal management: a review

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Product

Resources

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Microwave Absorption Performance of Core–Shell rGO/Ni_0.5Co_0.5Fe₂O₄@PEDOT Composite: An Effective Approach to Reduce Electromagnetic Wave Pollution

Microwave Absorption Performance of Core–Shell rGO/Ni_0.5Co_0.5Fe₂O₄@PEDOT Composite: An Effective Approach to Reduce Electromagnetic Wave Pollution