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Investigation of Earing Defect and Thickness Distribution in Stamp Forming of Continuous Glass Fiber Reinforced Polypropylene Composite Laminates by A Onur Özdemir; Cetin Karatas; Harun Kocak; Murat Demiral is a Materials Science article available to read on EtoBox.

What is Investigation of Earing Defect and Thickness Distribution in Stamp Forming of Continuous Glass Fiber Reinforced Polypropylene Composite Laminates about?

When lightweighting studies are examined, thermoplastic matrix composites come to the fore as they have a high specific strength, are recyclable, and can be formed by thermoforming. Some obscurity needs to be overcome for the rapid forming of threedimensional parts from laminated thermoplastic composites. In this study, deep drawing experiments were carried out to investigate the forming capabilities of continuous glass fiber reinforced polypropylene composite laminates. The parameters of drawing depth, laminate temperature, holding pressure, and punch speed were examined at each three different levels. The effects of these parameters were evaluated on the earing defect and the thickness distribution. It was concluded that the laminate temperature affected both deformations the most. It was determined that all parameters caused a change in flange diameter, but the amount of earing increased with the increase of drawing depth. It was established that inhomogeneous thickness distributions occurred in the part and the highest thickening took place in the curve region.

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Author

A Onur Özdemir; Cetin Karatas; Harun Kocak; Murat Demiral

Publisher

SAGE Publications

Published

2022

Language

EN

Field

Materials Science (Physical Sciences)