The effect of thermal responsive material polymeric filament to strength and transformation in 4D application

Roky, Muhamad Akashah (2021) The effect of thermal responsive material polymeric filament to strength and transformation in 4D application. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Experimental research titled "The Effect of Thermal Responsive Material Polymeric Filament to Strength and Transformation in 4D Application" has been carried out. The main aim of this study is to determine the quality of smart material polymeric filament that have shape memory effect. Currently 4D printing application to the industry is low because of the material is still not universal. Further study on the material for 4D application still needed to make sure this application is more. Some material that recently used for 3D printing have potential in 4D application since the material is printing above melting and boiling temperature and this will cause the material to have special transition when certain temperature is applied on the material. This project starts with the study of and research on how 4D printing work and the characteristic of the smart material. Material that has smart properties is used in this project focussing on the material that react with thermo stimuli which known as simplest stimuli that the material could respond. The process of fabrication the printing part will be conduct by using Fuse Deposition Modelling (FDM) Additive Manufacturing (AM) method. Extensive information of AM process includes the composition of material, parameter of printing process and the mechanical properties of smart material applied to fabricate the 4D printed part. By the experimental and observation conducted, data recorded the respond of the material toward its stimulus. The strength and the response of the smart material also will be tested on the material Polylactic Acid (PLA) + Wood and Thermoplastic Polyurethane (TPU). Using tensile test, the strength of the smart material will be identified before and after the reaction with the stimuli and the Tensile test will reveal it mechanical properties especially its thermomechanical properties. The material gives positive feedback toward thermal stimuli when heat is applying toward the material, the samples start to bending and little twist. The mechanical properties show by the material after compared to the SMP also produce significant strength. The discussion on the quality of smart material will be discussed on this paper.

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