Peer-reviewed veterinary case report
How sintering affects copper-based friction material strength and wear
By Zhu J et al.·2025·School of Transportation and Vehicle Engineering, China·View original on Europe PMC →
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Original publication title: Influence of Sintering Process on Mechanical and Tribological Properties of 3D-Mesh-Structure-Reinforced Cu-Based Friction Materials.
Plain-English summary
This study looked at how different heating processes affect the strength and wear resistance of copper-based friction materials, which are used in transportation and machinery. Researchers created these materials with a special 3D mesh structure and tested them at various temperatures and times. They found that increasing the temperature initially made the materials stronger, but too much heat caused a decrease in strength. Similarly, while longer heating times led to an increase in friction, they also resulted in less wear over time. Overall, the findings help explain how heating affects these materials and could lead to better performance in future designs.
Abstract
<b>Background</b>: Cu-based friction materials (CBFMs) exhibit significant application in transportation and mechanical engineering due to their excellent wear resistance, thermal conductivity, and stable tribological performance. <b>Methods</b>: In this study, CBFMs holding a 3D mesh reinforcement structure was prepared under different sintering temperatures and sintering times. The phase, mechanical, and tribological properties were tested, and the wear mechanisms were analyzed. <b>Results</b>: The results showed that with an increase in sintering temperature, compressive strength showed a trend of increasing first and then decreasing, COF showed a decreasing trend first and then an increasing trend, and wear rate showed a decreasing trend that can be attributed to the different strength of the matrix and 3D mesh reinforcement structure at different sintering temperatures. With an increase in sintering time, COF continuously increased and wear rate sustained a decrease. <b>Conclusions</b>: Compared with previous studies, this study revealed the influence mechanism of sintering temperature and sintering time on the comprehensive properties of CBFMs holding a 3D mesh reinforcement structure for the first time. The results can provide data support for the performance improvement of CBFMs holding a 3D mesh reinforcement structure, and lay a theoretical foundation for the further study of powder metallurgy materials.
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Search related cases →Original publication on Europe PMC: https://europepmc.org/article/MED/41374213