Study of Mechanical Properties of Vinyl Ester Composite with Glass Powder Filler

Diaz Muhammad Irham Dailami, Sulaiman Thalib, Husni Usman




This research, study aims to investigate the influence of particle composition on the mechanical properties of vinyl ester composites with glass powder as a filler. The composites were fabricated using the stir casting method to mix vinyl ester and glass powder particles with a 200-mesh size. The compound in compositions of wt% vinyl ester as matrix and wt% glass powder as fillera as follows: 100/0, 90/10, 80/20, 70/30, and 60/40. Mechanical properties testing encompasses Tensile Testing, Compression Testing, and Bending Testing. The specimens and mechanical testing procedures adhere to ASTM standards: ASTM D638-I for Tensile Testing, ASTM D695 for Compression Testing, and ASTM D790 for Bending Testing. Based on the test results, the following data was obtained: The highest tensile strength was 39.15 MPa with a 10% particle content, while the lowest tensile strength was 9.19 MPa with a 40% particle content. The highest compressive strength was 80.04 MPa with a 40% particle content, while the lowest compressive strength was 42.21 MPa with a 0% particle content. The highest bending strength was 93.74 MPa with a 20% particle content, while the lowest bending strength was 69.84 MPa with a 30% particle content. The addition of the filler reduces the tensile strength, increases the compressive strength, and has a relatively minor impact on bending strength.


Composite, Vinyl Ester, Glass Powder, Tensile Strength, Compression Strength, Bending Strength.

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