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| Influence of New Dipping and Hot Pressing Process on the Properties of Paper-based Friction Materials |
| Received:November 18, 2024 |
| DOI：10.11980/j.issn.0254-508X.2025.04.006 |
| Key Words:paper-based friction material dual dipping process mechanical properties friction and wear |
| Fund Project:高性能湿式纸基摩擦材料基纸（D8216860）。 |
| Author Name | Affiliation | Postcode | | LU Anan* | School of Light Industry and Engineering, South China University of Technology, Guangzhou, Guangdong Province, 510640 | 510640 | | ZHOU Wenling | School of Light Industry and Engineering, South China University of Technology, Guangzhou, Guangdong Province, 510640 | 510640 | | LIAO Xiangyu | Zhejiang KEMA Friction Materials Co., Ltd., Songyang, Zhejiang Province, 323400 | 323400 | | LIN Mingcen | School of Light Industry and Engineering, South China University of Technology, Guangzhou, Guangdong Province, 510640 | 510640 | | ZHANG Chunhui* | School of Light Industry and Engineering, South China University of Technology, Guangzhou, Guangdong Province, 510640 | 510640 |
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| Abstract:To solve the problem of resin damage in hot pressing process， this study explored a new dipping and hot pressing process， and compared it with the single dipping process and the dual dipping process， and analysed the effects of the new process on the structure， mechanical properties， and friction and wear properties of paper-based friction materials. The results showed that the new process could effectively avoid the destruction of the resin in the paper-based friction material during the hot pressing process. When the initial gluing amount was 7.5% and the total gluing amount was 30%， the resin and pore size in the paper-based friction material were uniformly distributed. In comparison to the paper-based friction material made by single dipping process， for paper-based friction materials P-3， the hardness reached 97.6 HRR， the shear strength was increased by 78.1% to 4.06 MPa， the thermo-mechanical properties were stable， and the variance of the average coefficient of dynamic friction at 2.96， 4.50， and 5.60 MPa were decreased by 75.1%， 71.4%， and 72.7%， respectively， and the wear rate was reduced to 0.56×10-8 m3/（N·m）， while the friction performance remained stable at 120°C and 5.60 MPa. |
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