Ginting Suka, Ediman and Sudarsono Putri, Ira and Puspitasari, Eka and Arsela, Reza and Firdaus, Iqbal and Sembiring, Simon (2020) Karakteristik Struktur Mikro dan Gugus Fungsi Komposit Silika Sekam Padi dan Aspal. Jurnal Teori dan Aplikasi Fisika, 08 (1). ISSN 2303-016X

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Abstract

Composite of rice husk and asphalt silica was carried out at a ratio of 1: 0.7; 1: 0.8 and 1: 0.9 and heated at 150oC for 3 hours. The characteristics of the phase structure, microstructure, and functional groups were analyzed using X-ray Diffraction (XRD), Scanning Electron Microscopy-Energy Dispersive Spectroscopy (SEM-EDS) and Fourier Transform Infrared (FTIR), physical properties analysis (density, porosity) and mechanics (compressive strength). The XRD results showed that the phase in asphalt silica composites detected amorphous carbon at 2θ = 18º and amorphous silica with the amorphous silica peak shifted from 2θ = 22º to 2θ = 20º. Microstructure analysis shows that cracks and clusters are bigger with grain sizes of 7,742 μm, 8,495 μm and 10,921 μm respectively, and the sample composition shows percentage of silicon (Si), Oxygen (O) and sodium (Na), respectively. decreases and the percentage of carbon (C), sulfur (S) increases. The results of FTIR show that the functional groups of Si-OH, Si-O-Si and Si-O bonds are decreasing and the functional groups of C-H bonds are increasing. The addition of asphalt causes the value of density increases, the value of porosity and compressive strength decreases.

Item Type:	Article
Subjects:	Q Science > QC Physics
Divisions:	Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA) > Prodi Magister Ilmu Fisika
Depositing User:	Iqbal Firdaus
Date Deposited:	10 Jun 2020 01:01
Last Modified:	10 Jun 2020 01:01
URI:	http://repository.lppm.unila.ac.id/id/eprint/22163

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