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High Thermal Conductivity in Bi-In-Sn/Diamond Composites

Acta Materialia, Inc.

16 Pages Posted: 19 May 2019 Publication Status: Accepted

See all articles by Chengzong Zeng

Chengzong Zeng

Chongqing University, College of Material Science and Engineering, State Key Laboratory of Mechanical Transmission

Jun Shen

Chongqing University, College of Material Science and Engineering, State Key Laboratory of Mechanical Transmission

Chao He

Chongqing University, College of Material Science and Engineering, State Key Laboratory of Mechanical Transmission

Hui Chen

Chongqing University, College of Material Science and Engineering, State Key Laboratory of Mechanical Transmission

Abstract

The Bi-In-Sn/diamond composites were manufactured and characterized. Nano and micro Bi-In-Sn powders coated by oxide skin were produced by slice technique. Optimized sintering pressure was 0.53 MPa atthe temperature of 120 oC with air condition. The highest thermal conductivity of Bi-In-Sn/diamond composites was up to 71.4 W m-1 K-1,which is ~290% higher than that of bulk Bi-In-Sn. Compared to the results of simulation, the actual thermal conductivity of Bi-In-Sn/diamond composites was slightly lower, which is due to the gap generated between diamond particles in the solidification process, especially as the volume fraction of diamond particles is high.

Keywords: Bi-In-Sn, Diamond, Thermal conductivity, Sintering

Suggested Citation

Zeng, Chengzong and Shen, Jun and He, Chao and Chen, Hui, High Thermal Conductivity in Bi-In-Sn/Diamond Composites (May 16, 2019). Available at SSRN: https://ssrn.com/abstract=3389487 or http://dx.doi.org/10.2139/ssrn.3389487

Chengzong Zeng

Chongqing University, College of Material Science and Engineering, State Key Laboratory of Mechanical Transmission

Chongqing
China

Jun Shen (Contact Author)

Chongqing University, College of Material Science and Engineering, State Key Laboratory of Mechanical Transmission ( email )

Chongqing
China

Chao He

Chongqing University, College of Material Science and Engineering, State Key Laboratory of Mechanical Transmission

Chongqing
China

Hui Chen

Chongqing University, College of Material Science and Engineering, State Key Laboratory of Mechanical Transmission

Chongqing
China

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