Durability of rubber wood flour-polymer composite exposed to accelerated freeze thaw cycling

Mohd Zainuddin, Arni Nabila (2022) Durability of rubber wood flour-polymer composite exposed to accelerated freeze thaw cycling. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Environmentally, composite reinforced with natural fibers due to great potential to substitute the traditional composite reinforced with glass fiber. Wood Polymer Composite (WPC) have more consistent mechanical properties. Despite such advantages, WPCs are prone to deterioration from causes such as moisture and freeze-thaw cycling, fire exposure, and biological attack. Deterioration of WPCs negatively impacts performance, limits expected service life, and inhibits consumer confidence, which prevents the widespread use of WPCs as a preferred material for suitable construction applications. In this study, the objective is to study the effect of freeze thaw cycle onto the mechanical properties of the rubber wood reinforced recycled polypropylene. Then, to correlate the effect of freeze thaw cycle onto the fracture surface of rubber wood reinforced recycled polypropylene by using Scanning Electron Microscopy (SEM) to evaluate the rubber wood flour-plastic composite in terms of durability performance on mechanical properties using Universal Testing Machine (UTM). This experimental were carried out by the preparation of the rubber wood flour-polymer composite pallet then optimize of the morphological structure using SEM and crystalline structure using XRD to be analyzing the crystal structure to identify crystalline phase in a material. The result showed the durability performance on mechanical properties using UTM. An addition, to identify the testing, the WPC pallets must freeze thaw cycling for 2, 3, 4, 5 cycles respectively to control behavior in considering the performance. Moreover, the result indicated that study of the potential of WPCs application for the purpose of better durability performance on mechanical properties and the data collected after completing the sample fabrication and testing experiment. All the hypotheses and discussions will be supported by the previous research statement based on the effect of water absorption, flexural behaviour and properties, fracture surface analysis, mechanical and physical properties.

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