Experimental study of joining thick composites reinforced with non-crimp 3D orthogonal woven E-glass fabrics

被引：21

作者：

Bogdanovich, Alexander E. ^{[2
]}

Dannemann, Martin ^{[1
]}

Doell, Jochen ^{[1
]}

Leschik, Thomas ^{[1
]}

Singletary, James N. ^{[2
]}

Hufenbach, Werner A. ^{[1
]}

机构：

[1] Tech Univ Dresden, Inst Lightweight Engn & Polymer Technol ILK, D-01307 Dresden, Germany

[2] 3TEX Inc, Cary, NC 27511 USA

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2011年 / 42卷 / 08期

关键词：

Fabrics/textiles; Three-dimensional reinforcement; Joints/joining; Stitching; TENSILE PROPERTIES; PREFORMS; WEAVE;

D O I：

10.1016/j.compositesa.2011.03.018

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A comprehensive experimental study was performed to determine the strength of several co-cured and adhesively bonded joints of composite panels reinforced with non-crimp 3D orthogonal woven E-glass fiber fabrics. Various single-lap and double butt-strap joints were fabricated using co-curing and adhesive bonding and tested in uniaxial in-plane tension. The co-cured joints included special stepped 3D woven preforms, stitched and stapled joints. The joint strength appears to have the lowest values for the cocured single-lap joints, intermediate values for the co-cured double butt-strap joints and the highest values for the adhesively bonded double butt-strap joints. Stitching and stapling dry preforms resulted in significant increase of the co-cured single-lap joint strength. In the range of strap thicknesses studied for the bonded joints, thinner straps provide a higher joint break force than thicker ones. Tapering strap ends to as small angle as possible was found to be the most effective method of increasing break force of double butt-strap bonded joints. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：896 / 905

页数：10

共 15 条

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