Effect of TiC Particles on the Properties of Copper Matrix Composites
Abstract
:1. Introduction
2. Results and Analysis
2.1. Physical Phase Composition and Microscopic Morphology of TiC/Cu with Different Sintering Temperatures
2.2. Effect of Sintering Temperature on Electrical and Mechanical Properties of TiC/Cu Composites
2.3. Microscopic Morphology of TiC/Cu Composites with Different TiC Contents
2.4. Effect of TiC Content on Electrical and Mechanical Properties of TiC/Cu Composites
3. Experimental Materials and Methods
3.1. Experimental Raw Materials
3.2. Experimental Methods
- (1)
- Preparation of composite powder
- (2)
- Preparation of TiC/Cu composites
3.3. Testing and Characterization
4. Conclusions
- (1)
- In this study, TiC/particle-reinforced Cu composites with uniform particle distribution were prepared by high-energy ball milling and SPS sintering using Ti, C and Cu powders as raw materials. The effects of different SPS sintering temperatures and TiC contents on the microstructure and morphology, mechanical and electrical properties of the composites were investigated.
- (2)
- When the sintering temperature was 900 °C, the dispersion of TiC in the copper matrix was good. The pores were eliminated in time. The densification of 5 wt.% TiC/Cu composites reached 97.19%. The average values of conductivity, hardness and compressive yield strength reached 11.47 MS·m−1, 112.9 HV and 162 MPa, respectively, at which time the comprehensive performance of the composites were at their best. As the sintering temperature increased or decreased, the dispersion effect of TiC obviously deteriorated, and the comprehensive performance of the composites also deteriorated.
- (3)
- The yield strength of the composites increased with the increase in TiC content. However, the degree of agglomeration of TiC and the brittleness of the composites also increased. When the mass fraction of TuC reached 25%, the mechanical properties of the composites decreased significantly. The best overall performance of the composites was obtained when the TiC content was 10%. At that time, the yield strength was 272 MPa, the hardness was 128.3 HV, the conductivity was 9.98 MS·m−1, and the densification was 90.70%.
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Composite Material | Theoretical Density (g·cm−3) | Actual Density (g·cm–3) | Porosity (%) |
---|---|---|---|
T850TiC/Cu | 8.57 | 8.17 | 4.67 ± 0.12 |
T900TiC/Cu | 8.57 | 8.33 | 2.81 ± 0.22 |
T950TiC/Cu | 8.57 | 8.23 | 3.97 ± 0.12 |
T1000TiC/Cu | 8.57 | 8.20 | 4.40 ± 0.14 |
Composite Material | Theoretical Density (g·cm−3) | Actual Density (g·cm–3) | Porosity (%) |
---|---|---|---|
5 wt.% TiC/Cu | 8.57 | 8.33 | 2.81 ± 0.22 |
10 wt.% TiC/Cu | 8.25 | 7.49 | 9.30 ± 0.13 |
15 wt.% TiC/Cu | 7.95 | 6.99 | 12.00 ± 0.22 |
20 wt.% TiC/Cu | 7.67 | 6.65 | 13.30 ± 0.13 |
25 wt.% TiC/Cu | 7.41 | 5.98 | 19.30 ± 0.19 |
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Zhai, Z.; Dong, H.; Li, D.; Wang, Z.; Sun, C.; Chen, C. Effect of TiC Particles on the Properties of Copper Matrix Composites. Inorganics 2024, 12, 120. https://doi.org/10.3390/inorganics12040120
Zhai Z, Dong H, Li D, Wang Z, Sun C, Chen C. Effect of TiC Particles on the Properties of Copper Matrix Composites. Inorganics. 2024; 12(4):120. https://doi.org/10.3390/inorganics12040120
Chicago/Turabian StyleZhai, Zhenjie, Haitao Dong, Denghui Li, Zhe Wang, Changfei Sun, and Cong Chen. 2024. "Effect of TiC Particles on the Properties of Copper Matrix Composites" Inorganics 12, no. 4: 120. https://doi.org/10.3390/inorganics12040120