| 车辆的高可靠和长寿命密封技术体系优化研究 |
| Research on Optimization of High Reliability and Long Life Sealing Technology Systems for Vehicles |
| 投稿时间：2022-11-22 修订日期：2022-12-08 |
| DOI：10.12136/j.issn.1000-890X.2023.12.0940 |
| 中文关键词: 车辆密封 密封技术 密封材料 密封结构 水密性 气密性 |
| 英文关键词: sealing sealing technology water tightness air tightness |
| 基金项目: |
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| 中文摘要: |
| 针对装甲车辆轻量化带来的车体装甲厚度减小以及在高盐雾、高低温、高湿热、强紫外照射等复杂使用环境对车辆高可靠和长寿命密封的需求，开展耐高低温和耐老化密封材料优化、适应薄壳车辆大形变部件密封结构设计、大尺寸发泡密封圈整体成型工艺、密封性能评价方法等研究。结果表明，经过密封技术体系优化的车辆密封件能够满足车体大形变下水密性和气密性要求，使用寿命延长25%以上。 |
| 英文摘要: |
| In response to the reduction in the body armor thickness caused by lightweight armor
vehicles as well as the demand for the high reliability and long life sealing of the vehicles in complex usage
environments such as high salt mist，high and low temperatures，high humidity and heat and strong ultraviolet
radiation，the research on optimization of the high and low temperature resistant and aging resistant sealing
materials，the sealing structure for adaptation to the large deformation components of the thin shell vehicles，
the integral forming process of the large-sized foam sealing rings and the evaluation method of sealing
properties of sealing ring was carried out. The results showed that，after optimizing the sealing technology
system，the vehicle sealing rings could meet the water and air tightness requirements for the large deformation
sealed components of the vehicle body，and their service lives were extended by more than 25%. |
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