Journal of Textile Research ›› 2022, Vol. 43 ›› Issue (11): 81-87.doi: 10.13475/j.fzxb.20201007607

• Textile Engineering • Previous Articles     Next Articles

Study of hollow honeycomb molded composites reinforced by ultra high molecular weight polyethylene fabrics

ZHANG Zhiying1, WANG Yiqiu2, SUI Jianhua3,4()   

  1. 1. Jiangsu Textile Products Quality Supervision Inspection Institute, Nanjing, Jiangsu 210007, China
    2. Nantong Fiber Inspection Institute, Nantong, Jiangsu 226009, China
    3. School of Textile and Clothing Engineering, Soochow University, Suzhou, Jiangsu 215006, China
    4. Key Laboratory of Natural Dyes in Textile Industry, Suzhou, Jiangsu 215123, China
  • Received:2020-10-29 Revised:2022-08-09 Online:2022-11-15 Published:2022-12-26
  • Contact: SUI Jianhua E-mail:suijianhua@suda.edu.cn

Abstract:

In order to develop light-weight and high-strength composite sheet materials for vehicle and ship shells, ultra high molecular weight polyethytene(UHMWPE) short fiber yarns were used as the warp and weft to weave honeycomb fabrics with a single layer warp and weft densities being 120 fibers in 10 cm and with to make 2L(1+0), 4L(2+1) and 6L(3+2) structures. Using thermosetting epoxy resin as the matrix, the panel was made of the honeycomb core with top and bottom plates which were made using vacuum method, where the diamond-shaped cells in the core were created by opening sticks. The"three-in-one" honeycomb composite plates were prepared and the structural characteristics of the composite boards and the tensile, flattening and bending properties were measured. The test results show that the specific densities of the three types of composite boards are far less than that of water, and the 6L(3+2) boards reaches a specific density of 0.48 g/cm3. It is also found that the more the layers of the composite boards, the more difficult it is for the epoxy resin to penetrate, especially at the rhombic intersection of the hollow plate, causing flexural strength to increase under horizontal tensile and compression loading. The horizontal compression strength of the 6L (3+2) composite plate sample reach 1.03 MPa.

Key words: ultra high molecular weight polyethylene fiber, multilayer fabric, epoxy resin, honeycomb structure, composite board, mechanical property

CLC Number: 

  • TS155

Fig.1

Design of hollow composite board. (a) Composite board structure; (b) Diamond cell structure"

Fig.2

Schematic diagram of 6L (3+2) interlocking structure fabric"

Tab.1

6L (3+2) organization hierarchy configuration"

经纱组别 区段号
Y1 1 1 2 3 4 5 6 6 5 4 3 2
Y2 2 3 4 5 6 6 5 4 3 2 1 1
Y3 3 2 1 1 2 3 4 5 6 6 5 4
Y4 4 5 6 6 5 4 3 2 1 1 2 3
Y5 5 4 3 2 1 1 2 3 4 5 6 6
Y6 6 6 5 4 3 2 1 1 2 3 4 5

Fig.3

Fabrication of 6L (3+2) interlocking fabric"

Fig.4

Preparation of hollow honeycomb composite board. (a) Compression molding; (b) Real objects"

Tab.2

Calculation results of structural parameters of three types of hollow composite panels"

板型 P/(g·cm-3) CV/% p1/(g·cm-3) CV1/% p2/(g·cm-3) CV2/% σV/% TgU/%
2L(1+0) 0.59 0.23 1.99 0.25 2.27 2.10 55.92 41.46
4L(2+1) 0.55 2.80 1.22 3.04 2.41 2.89 45.29 29.78
6L(3+2) 0.48 5.90 1.85 6.59 2.14 2.40 43.97 32.46

Fig.5

Flat tensile properties of three types of hollow composite panels. (a) 2L(1+0) type; (b) 4L(2+1) type; (c) 6L(3+2) type"

Fig.6

Flat pressure performance of three types of hollow composite panels. (a) 2L(1+0) type; (b) 4L(2+1) type; (c) 6L(3+2) type"

Fig.7

Curve of displacement-maximum load value of three types of hollow composite plate. (a) 2L(1+0) type; (b) 4L(2+1) type; (c) 6L(3+2) type"

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