The Study Of Manufacture Technology And The Structural Performance Of The Three-dimensional Weave Hollow Core Composites

Taking into account the spacing composites can significantly reduce the weight of materials, the straight layers of the fibre in the woven fabric is useful to exploit the potential of fibre and woven technology can fit for weaving the glass fibre. In this paper according to the structure of woven sandwiches we provide the way to manufacture the three-dimensional woven sandwiches fabric with loom, it is utilized to recommend by guiding latitude order weave method to draw operating picture. Provide the multi-layer fabric operating picture and drawing picture. Have provided and probed into the principle the three-dimension weaving sandwiches fabric by the sword loom in detail . We carry on the transformation in the traditional sword loom, and control the transfer of warps in different layers with eight reeds, among which two reeds control core layer warp's transfer in the way of active rub transmission warp with definite length method, the every three reeds in the left ones control supper and lower surface layer warp's transfer separately with definite tension taken. At last we adopt handle paste shaping craft knit to compound resin to the three-dimensional woven sandwiches fabric. Based on the geometry structure of the three-dimensional woven sandwiches fabric ,we analysis and set up the model to predict the relation of performance and structure, including performance of compress, shear, yarn shape and insulate against heat. We also adopt the rule of compounding to calculate the project constants such as the density , intensity and mould amount of the composite ,etc.. Consider the heat-conduction and radiation of the sandwiches material, use contact and parallel connect of the thermal resistance to value the quality of the calorifics performance of the material. Applying multi-goal fuzzy optimum seeking model to composite appraisal of performance comprehensively. Through feasible index choice and divide layer in grades reasonable ,then we carry the calculation according to some rule. All of these offer the ration basis for optimum seeking to the performance and structure of the composite .