| 3＋9＋15×0.225ST钢丝帘线在全钢载重子午线轮胎胎体中的应用 |
| Application of 3＋9＋15×0. 225ST Steel Cord in Carcass of Truck and Bus Radial Tire |
| 投稿时间：2021-11-02 修订日期：2021-11-02 |
| DOI：10.12136/j.issn.1000-890X.2022.12.0921 |
| 中文关键词: 全钢载重子午线轮胎 钢丝帘线 胎体 耐疲劳性能 耐久性能 使用寿命 |
| 英文关键词: truck and bus radial tire steel cord carcass fatigue resistance durability service life |
| 基金项目: |
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| 中文摘要: |
| 研究3＋9＋15×0.225ST钢丝帘线在全钢载重子午线轮胎胎体中的应用。结果表明：与3＋9＋15×0.22＋
0.15NT钢丝帘线相比，3＋9＋15×0.225ST钢丝帘线破断力提高30%，刚度提高24%，耐疲劳性能明显改善；以其替代
3＋9＋15×0.22＋0.15NT钢丝帘线用于全钢载重子午线轮胎胎体，轮胎破坏能和耐久性能提高，使用寿命延长。 |
| 英文摘要: |
| The application of 3＋9＋15×0. 225ST steel cord in the carcass of truck and bus radial tire
was investigated. The results showed that compared with 3＋9＋15×0. 22＋0. 15NT steel cord，the breaking
force of 3 ＋ 9 ＋ 15×0. 225ST steel cord increased by 30%，the stiffness increased by 24%，and the fatigue
resistance was significantly improved.By using 3＋9＋15×0. 225ST steel cord to replace 3＋9＋15×0. 22＋
0. 15NT steel cord in the carcass of truck and bus radial tire，the damage energy and durability of tire were
improved，and the service life was prolonged. |
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