The Effect of a Mixture of Epoxy Resin Matrix Composite Materials and Hardener by Varying the Stirring Speed on The Mechanical Properties
How to Cite?
Zainun Achmad, Al Emran Ismail, Ahmad Hamdan, "The Effect of a Mixture of Epoxy Resin Matrix Composite Materials and Hardener by Varying the Stirring Speed on The Mechanical Properties," International Journal of Engineering Trends and Technology, vol. 69, no. 11, pp. 83-88, 2021. Crossref, https://doi.org/10.14445/22315381/IJETT-V69I11P210
In this research, the process of making epoxy resin composites and hardeners as hardeners has been carried out; epoxy is a thermosetting chemical compound composed of carbon and oxygen atom bonds. This study aims to obtain good mechanical properties from the effect of a mixture of epoxy resin and hardener with varied stirring cycles. The mechanical testing method used in the tensile test is based on the D638 standard, the flexural test is based on the ASTM D790 standard, and the ASTM D256 impact test. The results showed that the sample preparation at a ratio of 10:01 with a stirring rotation of 100 rpm, 150 rpm, and 200 rpm, a ratio of 10:01 with a stirring rotation of 150 rpm for 5 minutes the casting results were still in a liquid state, while in a mixture of 10: While the value of the greatest tensile strength was obtained at 10:03 mixing with 100 rpm stirring speed of 20.27 MPaand the smallest is obtained at a ratio of 10:4 with a stirring rotation of 200 rpm of 15.71 MPa, for the bending stress obtained at a ratio of 10:4 with a stirring rotation of 200 rpm of 78.46 GPa and the smallest is obtained at a ratio of 10:03 with a stirring rotation 100 rpm of 45.20 GPa, while the largest impact strength was obtained at a ratio of 10:03 with a stirring speed of 150 rpm of 199.46 kJ/m2 and the smallest was obtained at a ratio of 10:03 with a stirring rotation of 200 rpm of 94.73 kJ/m2.
epoxy resin, resin hardener, tensile strength, bending strength, impact strength
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