Tailoring thermal conductivity of diamond/InSnBi composite by surface treatment of diamonds

Yang, Yuechao; Lu, Jiaqi; Jiang, Yanan; Xu, Dai; Guan, Yin; Huang, Nan; Liu, Lusheng; Jiang, Xin; Yang, Bing

doi:10.1016/j.diamond.2024.111231

Diamond and Related Materials

2024

DOI: 10.1016/j.diamond.2024.111231

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Tailoring thermal conductivity of diamond/InSnBi composite by surface treatment of diamonds

Yuechao Yang,

Jiaqi Lu,

Yanan Jiang

et al.

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2024

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RETRACTED: Cr–Diamond/Cu Composites with High Thermal Conductivity Fabricated by Vacuum Hot Pressing

Xu,

Cao,

Liu

et al. 2024

Materials

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Chromium-plated diamond/copper composite materials, with Cr layer thicknesses of 150 nm and 200 nm, were synthesized using a vacuum hot-press sintering process. Comparative analysis revealed that the thermal conductivity of the composite material with a Cr layer thickness of 150 nm increased by 266%, while that with a Cr layer thickness of 200 nm increased by 242%, relative to the diamond/copper composite materials without Cr plating. This indicates that the introduction of the Cr layer significantly enhanced the thermal conductivity of the composite material. The thermal properties of the composite material initially increased and subsequently decreased with rising sintering temperature. At a sintering temperature of 1050 °C and a diamond particle size of 210 μm, the thermal conductivity of the chromium-plated diamond/copper composite material reached a maximum value of 593.67 W∙m−1∙K−1. This high thermal conductivity is attributed to the formation of chromium carbide at the interface. Additionally, the surface of the diamond particles in contact with the carbide layer exhibited a continuous serrated morphology due to the interface reaction. This “pinning effect” at the interface strengthened the bonding between the diamond particles and the copper matrix, thereby enhancing the overall thermal conductivity of the composite material.

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RETRACTED: Cr–Diamond/Cu Composites with High Thermal Conductivity Fabricated by Vacuum Hot Pressing

Xu,

Cao,

Liu

et al. 2024

Materials

View full text Add to dashboard Cite

show abstract

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Tailoring thermal conductivity of diamond/InSnBi composite by surface treatment of diamonds

Cited by 1 publication

References 41 publications

RETRACTED: Cr–Diamond/Cu Composites with High Thermal Conductivity Fabricated by Vacuum Hot Pressing

RETRACTED: Cr–Diamond/Cu Composites with High Thermal Conductivity Fabricated by Vacuum Hot Pressing

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