| 对位芳纶骨架材料弯曲性能研究 |
| Bending properties of domestic para-aramid fiber skeleton material |
| 投稿时间：2015-10-09 修订日期：2015-10-09 |
| DOI： |
| 中文关键词: 对位芳纶 弯曲性能 钩接强力 打结强力 针织胶管 |
| 英文关键词: domestic para-aramid fiber, bending properties, the hook strength, the knot strength, knitted rubber hose |
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| 中文摘要: |
| 本文介绍了对位芳纶长丝作为胶管骨架材料的特点。研究了捻度对芳纶长丝静态弯曲性能的影响。实验结果表明,随捻度的增加,拉伸强力呈现先增加后降低的趋势；钩接强力略微增加后降低,在低捻度及较高捻度下的钩接强力高于拉伸强力；打结强力基本不变,明显低于拉伸强力；拉伸断裂伸长率逐渐增加,钩接和打结断裂伸长率基本不变,均低于拉伸断裂伸长率。针对破坏机理进行探讨。 |
| 英文摘要: |
| The characteristic of domestic para-aramid fiber as skeleton material were introduced.The effect of twist on bending properties of domestic para-aramid fiber were studied.The results shown that：with the twist increased, the tensile strength and the hook strength increased at first, and then decreased; the hook strength higher than the tensile strength at low twist; the knot strength unchanged, and lower than the tensile strength; the tensile elongation at break increased; the hook elongation at break and the knot elongation at break unchanged, and both lower than the tensile elongation.The breaking mechanism was discussed。 |
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