| 于春娜,陈伟力,余巧玲,李晓增,魏远芳,王万卷.聚氨酯塑胶跑道老化后耐压缩疲劳性能的研究[J].橡胶科技,2024,22(7):0378-0382. |
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| 聚氨酯塑胶跑道老化后耐压缩疲劳性能的研究 |
| Research on Compression Fatigue Resistance of Polyurethane Plastic Rubber Track after Aging |
| 投稿时间：2024-02-21 修订日期：2024-02-21 |
| DOI：10.12137/j.issn.2095-5448.2024.07.0378 |
| 中文关键词: 聚氨酯 塑胶跑道 渗水型 非渗水型 冲击吸收 垂直变形 耐压缩疲劳性能 |
| 英文关键词: polyurethane plastic rubber track water permeable type non water permeable type impact absorption vertical deformation compression fatigue resistance |
| 基金项目:广州市科技计划项目（2023B04J0407）；广州市市场监督管理局科技项目（2022kj05） |
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| 中文摘要: |
| 研究非渗水型和渗水型两款聚氨酯塑胶跑道在烘箱老化和氙灯老化后的耐压缩疲劳性能。结果表明：随着老化时间的延长，恒定振幅压缩疲劳对塑胶跑道的冲击吸收和垂直变形的影响增大，且在疲劳6万次时塑胶跑道的冲击吸收和垂直变形性能下降速率均增大；相对于非渗水型塑胶跑道，渗水型塑胶跑道在老化和疲劳后的抗滑值明显减小，抗滑性能变差。 |
| 英文摘要: |
| The compression fatigue resistance of two type of polyurethane plastic rubber track（non water permeable type and water permeable type） was investigated after oven aging and xenon lamp aging. The results indicated that with the prolongation of aging time，the effect on the impact absorption and vertical deformation of the plastic rubber track increased，and the rate of decrease in impact absorption and vertical deformation performance of the plastic track increasesed at 60 000 cycles of fatigue. Compared to non water permeable type plastic rubber track，water permeable type plastic rubber track had significantly reduced slip resistance value after aging and fatigue，so the slip resistance became worse. |
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