Control and design of volumetric composition in pultruded hybrid fibre composites

37th Risø International Symposium on Materials Science

Madsen, Bo^1 ; Hashemi, Fariborz^2 ; Tahir, Paridah^2

Section of Composites and Materials Mechanics, Department of Wind Energy, Technical University of Denmark, Denmark^1

Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra Malaysia, Malaysia^2

关键词: Fibre composites;    Fibre volume fraction;    Hybrid composites;    Hybrid fibres;    Micro-structural;    Mixing ratios;    Model prediction;    Volumetric composition;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/139/1/012033/pdf
DOI  :  10.1088/1757-899X/139/1/012033

来源: IOP

【 摘 要 】

Hybrid composites consist of two of more fibre phases in a common matrix phase. This is a challenge for the control and design of the volumetric composition and microstructural uniformity of such composites. In the present study, a model is presented for the prediction of the complete volumetric composition (i.e. volume fractions of fibres, matrix and porosity) in hybrid fibre composites. The model is based on a constant local fibre volume fraction criterion. Good agreement is found between model predictions and experimental data of pultruded hybrid kenaf/glass fibre composites with variable hybrid fibre weight mixing ratios. To demonstrate the suitability of the model, simulations are performed for four different cases of volumetric composition in hybrid kenaf/glass composites.