F Nik Wan, A Abubakar, M J Suriani, A M Saat, A Fitriadhy, W M N Wan Nik, M S Abdul Majid, Z Z Mukhtar, R A Ilyas, N Mohd Nurazzi and M N F Norrrahim
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引用次数: 0
摘要
本研究的重点是通过建立环氧树脂浸渍油棕树干增强(OPTE)复合材料的三维构成模型来确定其弹性特性。研究旨在通过有限元分析模拟 OPTE 复合材料的拉伸行为,并分别与 OPTE 的实验结果进行比较。OPTE 复合材料是通过真空灌注技术(即真空辅助树脂传递模塑技术)制造的。在这项研究中,由于树脂中含有木板,OPTE 复合材料被视为单向纤维。进行拉伸试验是为了提供材料特性,作为三维构成模型的输入。拉伸试验根据 ASTM D3039 标准进行。试验分为三个区域,包括 I 区(外侧)、II 区(中间)和 III 区(内侧)。材料特性的三个弹性常数(弹性模量、剪切模量和泊松比)是根据拉伸试验数据和理论方程求得的。模型是在 Abaqus 软件中建立的。将有限元法(FEM)得出的结果与实验结果进行了比较。结果表明,有限元法与实验数据之间存在良好的一致性,结果令人满意。
Experimental and finite element analysis of tensile properties of oil palm trunk im–pregnated with epoxy
This research focuses on determining the elastic properties from the development of a three-dimensional constitutive model of impregnated oil palm trunk reinforced with epoxy (OPTE) composite. The research aims to simulate the tensile behaviour of OPTE composite for finite element analysis and compared with the OPTE experimental results, respectively. The OPTE composites were manufactured by using one of the vacuum infusion techniques namely the vacuum-assisted resin transfer moulding technique. In this research, OPTE composite is considered as a unidirectional fibre due to the wood board in the resin. Tensile tests were conducted to provide the material properties as inputs into three-dimensional constitutive model. The tensile test was performed according to ASTM D3039. The test was divided into three zones including zone I (outer), zone II (middle) and zone III (inner). The three elastic constants (elastic modulus, shear modulus and Poisson’s ratio) of material properties were obtained from the tensile test data and theoretical equation. The model was developed in Abaqus software. The results from finite element method (FEM) were compared with the experimental results. There was a good agreement and promising results between FEM and the experimental data.