Springback Deformation Measurement Of Composite Using 3D Scanner After Curing Process

Devan, Sanmugam (2015) Springback Deformation Measurement Of Composite Using 3D Scanner After Curing Process. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Springback deformation is a natural occurring phenomenon which exists during the cure of laminate composite. Eliminating springback deformation is impossible but controlling the amount of springback helps decrease scarp rates in the industries. Past researches have done experiments to gain knowledge regarding springback deformation. The aim of this project is to measure springback deformation on certain specimens and study how it is affected by thickness, size, and angle of the specimen. 3D scanner is the device used in this project to measure springback deformation. The advantage of using 3D scanner over other devices like coordinate measuring machine (CMM), and laser tracker is that it uses a noncontact method. Specimens to be measured are scanned first before the image file is converted into computer aided drawing (CAD) file where the measurement process takes place. For this project, flat specimens of dimensions 300×300 mm2, 400×400 mm2, and 500×500 mm2 were measured. Each specimen contains different plies of 4, 8 and 16 respectively. Other than that, L-shaped specimens were also measured to gain a better knowledge of springback deformation on the shape. The L-shaped specimens came at three different angles which are 30°, 45°, and 90°. The results obtained were then compared with the previous research. Fortunately, an agreement is met when the results obtained are similar to the previous research. Therefore, it is concluded that thicker specimen leads to less springback deformation while bigger specimen tends to experience higher springback deformation. Lastly, as the angle of the L-shaped specimen increases, the specimen tends to experience greater spring-in deformation which is usually negative in value.

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