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Mechanical anisotropy in unidirectional glass fabric reinforced oligomeric siloxane modified polyester composites |
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| Authors: | Mehmet Sarikanat Kutlay Sever Yoldas Seki Ismail H Tavman |
| Institution: | 4. Department of Mechanical Engineering, Ege University, Izmir, Turkey 1. Department of Mechanical Engineering, Izmir Katip Celebi University, Izmir, Turkey 2. Department of Chemistry, Faculty of Arts Science, Dokuz Eylul University, Izmir, Turkey 3. Department of Mechanical Engineering, Dokuz Eylul University, Izmir, Turkey |
| Abstract: | In this study, the effect of incorporation of oligomeric siloxane into unsaturated polyester on mechanical behavior of unidirectional glass fiber/polyester composites has been investigated by means of tensile, flexural and short beam shear tests. The amount of oligomeric siloxane added into unsaturated polyester was in the range 1?C3 % by weight of the glass fabrics. Mechanical tests were conducted at different angles (0 °, 45 °, and 90 °) with respect to fiber direction. The higher siloxane content exhibited a tendency to have greater tensile, flexural and interlaminar shear strength values in machine direction, bias direction and cross direction. From Scanning electron microscopy images, the presence of polyester particles on the unidirectional glass fiber surface confirmed better adhesion. |
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