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Journal : Jurnal Fisika dan Terapannya

 1 
PENGARUH PERBANDINGAN MOLAR OKSIDA SiO2:Al2O3 dan Na2O:SiO2 TERHADAP SIFAT MEKANIK GEOPOLIMER BERBASIS LATERITE DEPOSIT BONE Farina, Farina; Subaer, Subaer; Haris, Abdul
JFT : Jurnal Fisika dan Terapannya Vol 6 No 2 (2019): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (735.386 KB) | DOI: 10.24252/jft.v6i2.11702

Abstract

The main objective of this research is to determine the effect of molar oxides of SiO2:Al2O3 and Na2O:SiO2 to the mechanical properties of geopolymer based on laterite soil deposite Bone. Geopolymers were produced through alkali-activation method of dehydroxylation laterite. Dehydroxylation was performed by using high-temperature furnace at  for 4 hours. The chemical compositions and the microstructure properties of the starting and the resulting materials were characterized based on X-Ray Diffraction (XRD) and Scanning Electron Microscopys (SEM). Measurements of bulk density, apparent porosity and compressive strength were carried out by using Archimedes method and Universal Testing Machine. The results showed that the highest phase of the starting material was quartz (SiO2). The physical properties of geopolymers was examined from the value of their bulk density, apparent porosity and the magnitude of their compressive strength. The results showed that the value of the porosity and the density are inversely proportional, the smaller the porosity, the greater the density. The highest compressive strength value was 6.33 MPa obtained from the sample designated as K6. It was found that geopolymer based on Bone laterite exhibited good mechanical properties.
Co-Authors - Nurhayati Abdul Haris Abisusmita, Restina Wardhani Abubakar, Ahmad Shirat Adi Prasetiyo, Adi Afifah, Kharisma Noor Agus Susanto Agus Susanto Amiruddin Zainuddin Armayani M Asmita, Arizka Awaliah, Nur Bunga Dara Amin Eko Hadi Sujiono Farina, Farina Fauziah, Andi H. Bancong Hamzah Fansuri Hidawati, Hidawati Hidayati, Ririn Eva Husain Husain I. Yusuf Ida Ayu Putu Sri Widnyani Iqbal, Rendy Muhamad Irhamsyah, A. Jasruddin Daud Malago Kaharuddin Arafah M. A. Martawijaya Malago, Jasaruddin Matandung, Rekun Muh. Saleh, Muh. Muhammad Arsyad Muris Muris, Muris Musdalifa Mansur Nur Annisa Nur Fadillah, Nur Nurfadil, Nurfadil Nurhasmi Nurhasmi Nurhayati Nurhayati Nurhayati Nurhayati Oktaviani, Sri Padilla, Nur Pariabti Palloan Pratama, Muhammad Akbar Priadi, Ramadhan Purba, Joshua Putri, Karmila R.Y. Perry Burhan, R.Y. Perry Ridho Bayuaji Rifaatul Mahmudah Rusdin, Amernurfitra Andi Sambolangi, Arise San, Fitria Pebriyanti Saragih, Rino Wijatmiko Silvana Dwi Nurherdiana Simangunsong, Tiardo Soamole, Ayu Swasti Dayuni Soemarno, Meiske Caesaria Solly Aryza Sulfianty Supriadi, Warih Wulur, Kevin Hanyu Clinton