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首页> 外文期刊>The Journal of the Textile Institute >Geometrical modelling of angle warp interlock fabrics
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Geometrical modelling of angle warp interlock fabrics

机译：斜经互锁织物的几何造型

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A geometrical modelling approach has been developed which predicts all the necessary geometrical parameters for multilayer angle warp interlock weaves. The model requires tow and weaver data as input and gives fabric thickness, warp and weft crimp angle, areal weight and fibre volume fraction (FVF) as outputs. In order to validate the model we have woven three angle warp interlock woven reinforcements, having same number of total layers, on a conventional loom, using carbon multifilament tows in warp and glass multifilament tows in weft. The depth of the binder (maximum number of layers traversed by the binding warp in vertical plane) was maximum for the first variant (5). The binder tow traversed all the five layers so that this variant is termed as through-the-thickness angle interlock. For the second variant it was reduced to an intermediate level (3), whereas for the third one it was minimum (2) so as to conceive a layer-to-layer interlock structure. The geometry of such woven reinforcements can be categorised in terms of crimp amplitude and cross-sectional shape of the warp and weft tows. These two vary with the structure of the woven fabric and weaving parameters, ultimately influencing the areal weight, size of the unit cell and FVF of the fabric reinforcement. Results obtained show that the modelling approach can be successfully applied to calculate necessary fabric geometry parameters from minimum number of manufacturer and weaver data.
机译：已经开发出一种几何建模方法，该方法可以预测多层角经互锁编织的所有必要几何参数。该模型需要使用拖曳和编织数据作为输入，并给出织物厚度，经纱和纬纱的卷曲角度，单位面积重量和纤维体积分数（FVF）作为输出。为了验证该模型，我们在常规织机上使用经线中的碳复丝丝束和纬线中的玻璃复丝丝束，编织了具有相同总层数的三层经向互锁编织增强材料。对于第一变体（5），粘合剂的深度（在垂直平面上被结合翘曲横穿的最大层数）最大。装订夹丝束遍历了所有五层，因此该变体称为厚度方向联锁。对于第二个变体，将其降低到中间水平（3），而对于第三个变体，则将其最小化（2），以便构思出层到层的互锁结构。可以根据卷曲振幅和经纱和纬纱的横截面形状对这种编织增强物的几何形状进行分类。两者随机织织物的结构和织造参数的不同而变化，最终影响单位面积的重量，单位单元的大小和织物增强材料的FVF。获得的结果表明，该建模方法可以成功地用于根据最少数量的制造商和织布工数据来计算必要的织物几何参数。

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