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预拉伸对玻璃纤维针织物增强聚丙烯复合材料拉伸性能的影响 被引量:1

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摘要 文中研究了预拉伸对GF/PP(GF/PP是由两股玻璃纤维与一股聚丙烯纤维并合制成的复合纱)针织物增强复合材料拉伸性能的影响。对几种经过不同百分比纵向预拉伸的GF/PP复合纱1+1罗纹针织物预形件热压得到的复合材料的拉伸强度和断裂伸长进行了对比研究。结果表明:在本实验研究的预拉伸比范围内,复合成形后的复合材料的拉伸强度随预形件预拉伸比的逐渐增大,先逐渐增大,而后则略有降低;其断裂伸长则随预形件预拉伸比的增大呈现减小的趋势。另外,从预拉伸引起的针织物线圈形态的变化方面对该现象进行了分析解释。
出处 《针织工业》 北大核心 2005年第1期67-69,共3页 Knitting Industries
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