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| Effects of the Surface Modification of Fiber on Mechanical Properties of Paper-based Friction Material |
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| DOI：10.11980/j.issn.0254-508X.2017.02.003 |
| Key Words:paper-based friction material fiber modification high-temperature air oxidation phosphoric acid oxidation the sheet bonding strength between the layers |
| Fund Project:陕西省重点实验室科技计划（12JS018）；十三五国家重点研发计划项目（2016YFB0303304）；陕西省科技厅统筹创新工程计划项目（2016KTCQ01-87）。 |
| Author Name | Affiliation | | 胡文静1 | 1.陕西科技大学轻工科学与工程学院,陕西西安,710021 | | 陆赵情1，* | 1.陕西科技大学轻工科学与工程学院,陕西西安,710021 | | 谢 璠1 | 1.陕西科技大学轻工科学与工程学院,陕西西安,710021 | | 王贝贝1 | 1.陕西科技大学轻工科学与工程学院,陕西西安,710021 | | 丁 威2 | 2.浙江仙鹤股份有限公司,浙江衢州,324022 | | 张美娟2 | 2.浙江仙鹤股份有限公司,浙江衢州,324022 |
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| Abstract:In the experiment, air oxidation at high temperature was used to modify the surface of carbon fiber, and phosphoric acid oxidation was used to modify the surface of aramid chopped fiber, the fibers were characterized before and after modification. The aramid pulp, bamboo fiber, sepiolite flocking, modified/unmodified carbon fiber and aramid chopped fiber were mixed to produce paper-based friction material, and the effect of surface modification of the reinforced fibers on the properties of paper-based friction material was studied. The results showed that more ravines appeared on the surface of modified fibers and the roughness of fiber surface increased. There were more contact points and area on the surface of the fiber which resulted in higher bonding. The bonding strength between the layers of sheets which were made by the modified fiber increased by 21% compared to that of fiber without modification. |
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