Static Strength of Adhesively-bonded Woven Fabric Kenaf Composite Plates

2nd International Conference on Materials Engineering and Nanotechnology

材料科学;物理学

Hilton, Ahmad^1 ; Lee, Sim Yee^1 ; Supar, Khairi^1

Faculty of Civil and Environmental Engineering, Universiti Tun Hussein Onn Malaysia, Parit Raja, Batu Pahat, Johor

86400, Malaysia^1

关键词: Good correlations;    Interface failure;    Load displacements;    Quasi-static testing;    Reinforcing materials;    Specific strength;    Stacking sequence;    Structural response;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/205/1/012019/pdf
DOI  :  10.1088/1757-899X/205/1/012019

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

Natural fibers are potentially used as reinforcing materials and combined with epoxy resin as matrix system to form a superior specific strength (or stiffness) materials known as composite materials. The advantages of implementing natural fibers such as kenaf fibers are renewable, less hazardous during fabrication and handling process; and relatively cheap compared to synthetic fibers. The aim of current work is to conduct a parametric study on static strength of adhesively bonded woven fabric kenaf composite plates. Fabrication of composite panels were conducted using hand lay-up techniques, with variation of stacking sequence, over-lap length, joint types and lay-up types as identified in testing series. Quasi-static testing was carried out using mechanical testing following code of practice. Load-displacement profiles were analyzed to study its structural response prior to ultimate failures. It was found that cross-ply lay-up demonstrates better static strength compared to quasi-isotropic lay-up counterparts due to larger volume of 0° plies exhibited in cross-ply lay-up. Consequently, larger overlap length gives better joining strength, as expected, however this promotes to weight penalty in the joining structure. Most samples showed failures within adhesive region known as cohesive failure modes, however, few sample demonstrated interface failure. Good correlations of parametric study were found and discussed in the respective section.