期刊
JOURNAL OF INDUSTRIAL TEXTILES
卷 51, 期 3_SUPPL, 页码 4372S-4389S出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/1528083720931472
关键词
3D woven honeycomb structure; honeycomb cell geometry; geometrical modeling; repeat unit weight; fiber volume fraction; specific weight
资金
- Ministry of Textiles, Government of India
This paper investigates a textile fiber-based 3D woven honeycomb structure, and develops mathematical models to calculate its repeat unit weight, fiber volume fraction, and specific weight. Experimental validation shows a high agreement between theoretical and actual values. The model can be used to design lightweight structural composite materials.
Sandwich structures with composite honeycomb core and skin have been mostly used for a variety of engineering applications. There are different man-made honeycomb structures with metal, polymer, and paper honeycomb cell geometry which provide minimum weight, least material content and minimal material cost. In this paper, the textile fiber-based 3 D woven honeycomb structure is engineered by using fabric geometrical parameters and mathematical expressions have been developed to calculate the repeat unit weight, fiber volume fraction (FVF) and specific weight of 3 D woven honeycomb structures. Five 3 D woven honeycomb fabric samples with different cell sizes were produced using model-based construction parameters on a customized rapier weaving machine. Fabric dimensional parameters were determined experimentally to validate the model value with actual results. A reasonably high agreement was observed between experimental and theoretical values. The model can be used as a tool to engineer woven honeycomb reinforcement architecture to produce lightweight structural composite materials.
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