Optimization Of Stacking Sequence And Ply Thickness For Composite Of Aerospace Using Design Of Experiment

W. Mohamad, Wan Amirul Safwan (2016) Optimization Of Stacking Sequence And Ply Thickness For Composite Of Aerospace Using Design Of Experiment. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

A composite material is a combination of a matrix and a reinforcement, this combination of materials could improve the properties of individual components. In the case of a composite, the reinforcement contains fibres and is uses to strengthen the matrix in terms of strength and stiffness. The reinforce fibres can be manipulate in different ways to affect the properties of the resulting composite. Fibre-reinforced polymer composite materials become favorites in most industries, In particular aircraft and spacecraft engineering the reasons is due to its ability to increases strength, durability, etc. to the materials with less weight of Material. Emphasis of the study is on composites analysis as to determine the important parameters in composite design (thickness and stacking sequence) toward mechanical strength of composite structures. The project is focus especially on the composite design parameter analysis to determine the importance of every parameter and its relations. DOE software Design Expert (Miscellaneous Method) would be used to complete this project. In order to fulfill the data needed in Design Expert an actual tensile and bending test is conducted, from the result collected Design Expert software is used to produce the response surface of the study and the result of optimization. The DOE run shows that fibre composite with lowest ply and unidirectional stacking sequence is the most optimum, it has lowest ply number and relatively high ultimate tensile strength and max bending load.

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