A zero-thermal-expansion composite with enhanced thermal and electrical conductivities resulting from 3D interpenetrating copper network

Dong, Buke; Guo, Xinge; Tong, Peng; Xie, Lulu; Liu, Keke; Xiong, Tingjiao; Zhu, Xiaoguang; Lin, Jianchao; Song, Wenhai; Sun, Yuping

doi:10.1016/j.jallcom.2024.173504

Journal of Alloys and Compounds

2024

DOI: 10.1016/j.jallcom.2024.173504

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A zero-thermal-expansion composite with enhanced thermal and electrical conductivities resulting from 3D interpenetrating copper network

Buke Dong,

Xinge Guo,

Peng Tong

et al.

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2024

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Cited by 3 publications

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Zero thermal expansion high-strength metallic glass-based composites

Zhang,

Zhou,

et al. 2024

Ceramics International

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Zero thermal expansion high-strength metallic glass-based composites

Zhang,

Zhou,

et al. 2024

Ceramics International

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Ionic Liquid-Modified Copper for the Enhanced Thermal Conductivity and Mechanical Properties of Epoxy Resin/Expanded Graphite Composites

Li,

Chu,

Jin

et al. 2024

ACS Omega

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In this study, diglycidylether of bisphenol A (DGEBA)/expanded graphite (EG)/copper (Cu) powder composites with high thermal conductivity were prepared for use as thermal interface materials. To construct an excellent thermally conductive network, the Cu surface was modified using the ionic liquid 1-ethyl-3-methyl imidazolium dicyanamide. In addition, the effect of the Cu content on the thermal conductivity, thermal stability, flexural properties, impact strength, and morphologies of the DGEBA/ EG/Cu composites was investigated. The results indicated that the addition of 10 wt % Cu increased the thermal conductivity of the composites from 7.35 to 9.86 W/(m•K). Conversely, the thermal stability of the composites decreased with the addition of Cu. The flexural strength and impact strength of the composites increased from 27.9 MPa and 0.81 kJ/m 2 to 39.6 MPa and 0.96 kJ/m 2 , respectively, as the Cu content increased from 0 to 10 wt %. Moreover, the flexural modulus of the composites increased from 9632 to 11,309 MPa with the addition of 10 wt % Cu. Scanning electron microscopy analysis of the DGEBA/EG/Cu composites revealed sheet-shaped blocks with numerous microcracks on the fracture surfaces.

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Thermal expansion properties of double concave arrow honeycomb structure with double materials

Yang,

Liu,

Wang

et al. 2024

Mechanics of Advanced Materials and Structures

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A zero-thermal-expansion composite with enhanced thermal and electrical conductivities resulting from 3D interpenetrating copper network

Cited by 3 publications

References 45 publications

Zero thermal expansion high-strength metallic glass-based composites

Zero thermal expansion high-strength metallic glass-based composites

Ionic Liquid-Modified Copper for the Enhanced Thermal Conductivity and Mechanical Properties of Epoxy Resin/Expanded Graphite Composites

Thermal expansion properties of double concave arrow honeycomb structure with double materials

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