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All Journal Jurnal Rekayasa Material, Manufaktur & Energi
Ritonga, Din Aswan A.
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Aerospace Engineering Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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Analisis Kekuatan Mekanik Komposit Polimer Diperkuat Serbuk Kulit Kerang Zulfikar, Achmad Jusuf; Ritonga, Din Aswan A.; Pranoto, Siswo; Nasution, Fadly A. Kurniawan; Arif, Zainal; Junaidi, Junaidi
Rekayasa Material, Manufaktur dan Energi Vol 6, No 1: Maret 2023
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v6i1.13599

Abstract

In recent decades, the development of composite material technology has continued to increase rapidly and has been used for various applications as an alternative material to replace metal. In line with growing environmental issues, the utilization of natural materials which are abundant in nature and easy to find is the main priority for composite building materials. In this study, shell powder was used as a reinforcing material for epoxy polymer composites. The aims of this study were to obtain the average compressive, tensile, and flexural strength of shell powder-reinforced polymer composite materials, to calculate the distribution of test results using the PDF method, and to calculate the contribution of shell powder to the mechanical properties mentioned using the ANOVA method. The tensile, compressive, and flexural test specimens follow the test specimen standards of ASTM D638, ASTM D7264, and ASTM D695 respectively. The composition of shell powder consists of 10%, 30%, and 50%. Testing of these mechanical properties using a UTM-type hydraulic test equipment model WEW-300D with a capacity of 300 kN. The test results show an increase in the mechanical properties of the material. The increase occurred in compressive and flexural strength where the composition was given up to 30% and 50%, namely between 120 – 125 MPa. However, increasing the composition of shell powder at 30% and 50% actually resulted in a decrease in tensile strength between 12 – 9 MPa. Finally, based on the results of ANOVA analysis, it was shown that the addition of shell powder as a reinforcement for polymer composites significantly improved their mechanical properties.
Analisis Kekuatan Mekanik Pipa Air dari Bahan Komposit Serbuk Kulit Kerang Zulfikar, Achmad Jusuf; Siahaan, M Yusuf R; Irwan, Ade; Nasution, Fadly A. Kurniawan; Ritonga, Din Aswan A.
Rekayasa Material, Manufaktur dan Energi Vol 5, No 2: September 2022
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v5i2.11938

Abstract

Shellfish is one of the sources of natural wealth that is quite abundant and easy to obtain in the province of Sumatera Utara. In this study, shellfish will be used as an alternative raw material for the manufacture of water pipes. This study aims to obtain the average strength of the material against the bending and compressive loads imposed on the outer surface of the water pipe, calculate the distribution of the test result data by the Probability Density Function (PDF) method, and calculate the contribution of clamshell powder to the bending and compressive strength of the water pipe with the Anova and Tukey methods. Specimens are molded in the form of 2" water pipes according to SNI standards 06-0084-2002. Bending and pressing testing using ASTM D7264 and ASTM D695 respectively. Processing the distribution of test data using the PDF method, the calculation of variable contributions using the Anova method, and the comparison between variables with the Tukey method. The result obtained the best bending strength at a composition of 10% by weight, namely 3.3177 MPa, and the best compressive strength at a composition of 50% by weight of 4.37 MPa. Based on the calculations of the Anova and Tukey methods, the application of clamshell powder significantly affects the bending strength compared to its compressive strength, which is the composition of 10% by weight.
Co-Authors Arif, Zainal Irwan, Ade Junaidi Junaidi Nasution, Fadly A. Kurniawan Siahaan, M Yusuf R Siswo Pranoto zulfikar, Achmad Jusuf