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首页> 外文期刊>Journal of Industrial Textiles >Influence of the fabric construction parameters and roving type on the tensile property retention of high-performance rovings in warp-knitted reinforced fabrics and cement-based composites
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Influence of the fabric construction parameters and roving type on the tensile property retention of high-performance rovings in warp-knitted reinforced fabrics and cement-based composites

机译：织物结构参数和粗纱类型对经编增强织物和水泥基复合材料中高性能粗纱的拉伸性能保持的影响

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摘要

In this work, the tensile property retention characteristics of high-performance glass and carbon rovings in warp-knitted reinforced fabrics and cement-based composites used in structural applications were investigated. Three types of warp-knitted fabrics, with differing stitch patterns, and cement-based composites were produced. The tensile strength retention and Young's modulus retention of the roving in these fabrics and their influence on the properties of cement-based composites were compared on the basis of the stitch type. Samples of warp-knitted fabrics composed of glass fibres and carbon fibres exhibit retention of 76-87% and 65-87.6%, respectively, of the initial strength of the rovings. The highest Young's modulus retention (approximate to 80%) occurs in the case of the fabric sample composed of glass rovings. The retention of the Young's modulus in the fabric samples composed of carbon rovings was 37-60%. In addition, the translation of strength from the roving to the fabric and retention of the Young's modulus in the carbon rovings decreased with increasing strength and modulus, respectively, of the original roving. On the basis of the data presented, we provided guidelines for the possible application of the developed fabrics. As conclusion, it is possible to reduce the cost of the raw materials by using fabrics whose original rovings have low tensile strength and Young's modulus, but high retention properties.
机译：在这项工作中，研究了在结构应用中使用的经编增强织物和水泥基复合材料中高性能玻璃纤维和碳粗纱的拉伸性能保持特性。生产了三种具有不同针迹花样的经编织物和水泥基复合材料。根据针迹类型，比较了这些织物中粗纱的拉伸强度保持率和杨氏模量保持率及其对水泥基复合材料性能的影响。由玻璃纤维和碳纤维组成的经编织物样品的保留率分别是粗纱初始强度的76-87％和65-87.6％。在由玻璃粗纱组成的织物样品的情况下，杨氏模量保持率最高（约80％）。由碳粗纱组成的织物样品的杨氏模量保持率为37-60％。另外，强度从粗纱到织物的转变以及碳粗纱中杨氏模量的保持分别随着原始粗纱的强度和模量的增加而降低。根据提供的数据，我们为开发出的织物的可能应用提供了指导。总之，可以使用原始粗纱具有低拉伸强度和杨氏模量但保留性能高的织物来降低原材料成本。

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