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| 3+9+15×0.25+0.15ST超高强度钢丝帘线的开发 |
| Development of 3+9+15×0.25+0.15ST Super High Strength Steel Cord |
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| DOI： |
| 中文关键词: 钢丝帘线；超高强度；全钢载重子午线轮胎；胎体 |
| 英文关键词: steel cord；super high strength；truck and bus radial tire；carcass |
| 基金项目: |
| 中图分类号:TQ330.38＋9；TQ336.1 |
| Author Name | Affiliation | | LIU Chen | Jiangsu Baosteel Fine Wire & Cord Co.，Ltd | | GUO Maozhong | Jiangsu Baosteel Fine Wire & Cord Co.，Ltd |
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| 中文摘要: |
| 介绍3+9+15×0.25+0.15ST钢丝帘线的结构和性能，并与7×7×0.22+0.15HT钢丝帘线进行对比。与7×7×0.22+0.15HT钢丝帘线相比，3+9+15×0.25+0.15ST钢丝帘线的线密度较小，破断力/线密度和破断力/帘线直径比值较高，有利于提高轮胎的承载能力和安全性能，其紧密型结构具有良好的渗胶性能，并可显著减小帘布质量，降低成本。 |
| 英文摘要: |
| The structure and properties of 3+9+15×0.25+0.15ST steel cord were introduced，and compared with 7×7×0.22+0.15HT steel cord.The results showed that，compared with 7×7×0.22+0.15HT steel cord，the linear density of 3+9+15×0.25+0.15ST steel cord was lower，and the ratios of breaking force/linear density and breaking force/cord diameter were higher，which was in favor of improving the carrying capacity and safety performance of tire.3+9+15×0.25+0.15ST steel cord possessed good rubber penetrability because of its tight structure，and the cord weight and product cost could be reduced obviously. |
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