Abstract
The computer aided three dimensional static analyses of the specimens was done by using the Finite Element Method (FEM) and obtained data was compared with actual test data. The aim of this study is to compare the deformation/stress analyses with FEM analysis results of styrene maleic anhydride (SMA) copolymer composites. The heat treated wood/SMA copolymer composites were produced from different loadings (from 10 to 30 wt. %) of heat treated and untreated eastern white pine wood flours (Pinus strobus L.). All formulations of wood flour/SMA copolymer composites were produced by melt compounding through injection molding. The deformation/stress results obtained from the experimental solutions are very close to the results obtained from the numerical solutions (SAP2000 V17). As a result, it can be said that it is beneficial to use the FEM in the engineering design approach after the data obtained by the experimental solutions as meaningful values after application of the FEM.
Highlights
This study investigated the design possibilities for engineering materials by linear elastic analysis using SAP2000 V17 software
As a result of the numerical solutions carried out by finite element analyses, normal stresses were obtained along the bending beam
When the normal stress values obtained from numerical solutions using SAP2000 V17 software are compared with the open solution using Eq 3, it is seen that the results are very close to each other
Summary
More interest has been reported on wood composites as engineering materials because of renewable, biodegradable resources, no waste problems, and superior mechanical properties (Mackerle, 2005). Wood plastic composite (WPC) has gained the interest of material engineers because of its structural properties (El-Haggar and Kamel, 2011). Some of its main properties are high durability, low maintenance, strength and stiffness, lower prices and decrease in bio-degradation, which makes the composites suitable for outdoor applications. Some of the applications of these composites are: decking, sheathing, roof tiles, window trim and automobile parts. WPCs perform like conventional wood; they are not stiff and may require special fasteners or design changes. WPCs are still stiffer than plastics (Clemons and Caufield, 2005)
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