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Fisitek : Jurnal Ilmu Fisika dan Teknologi
Published by Universitas Islam Negeri Sumatera Utara
ISSN : 25806661     EISSN : 2580989X     DOI : -
Core Subject : Science, Education,
Computer Science & IT Education Physics
FISITEK: Jurnal Ilmu Fisika dan Teknologi is a peer-reviewed journal which covers all aspects of theoretical and practical research of physics and their use. FISITEK is published by Physics Department of Science and Technology Faculty, State Islamic University of Sumatera Utara Medan (Universitas Islam Negeri Sumatera Utara Medan), Indonesia. FISITEK appears twice a year, in February and August. FISITEK is available in electronic and print editions.
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol 2, No 1 (2018)" : 5 Documents clear
PHASE COMPOSITION AND CRYSTAL STRUCTURE OF DURIAN (DURIO ZIBETHINUS) HUSK WASTE POWDER USING RIETVELD METHOD Khairiah Khairiah; Lia Afriyanti Nasution
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 2, No 1 (2018)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (292.66 KB) | DOI: 10.30821/fisitek.v2i1.1545

Abstract

Based on previous research on electrical analysis of electrolyt pastes from durian husk waste as biobatteries that generate an electric voltage about 1.5 volts. Researchers want to develop durian husk waste material to commercial that was increasing the electrical voltage with nanotechnology. It was  known that when the particle size went to the nanometer scale, this phenomenon affects some material properties, one of which was the increase in electrical conductivity. The nanomaterial derived from durian husk waste as a biobattery was synthesized by coprecipitation method which was one of development methods of nanotechnology. Based on the analysis of SEMand XRD characterization data of durian husk waste powder, it was concluded that the results of the synthesis process using the coprecipitation method obtained powder which has crystal size about 5 nm. Phase composition contained in durian skin waste nano powder is dominated by phosphate (PO4) elements, namely aluminum phosphate, aluminum silicate hydrate, and titanium nitrate, but evenness of particles still tends to occur agglomeration or clumping caused by oxygen. It can be concluded also that the higher and longer heating treatment the morphology of the durian husk waste particles more evenly and minimize the occurrence of agglomeration.Keywords:  copresipitation method, electrical properties, nanopowder of durian  husk waste, and phase composition
DETECTION AND MONITORING SYSTEM OF SMOKE CONCENTRATION WITH SMOKE DETECTOR AND CAMERA TRACKER Abdullah Abdullah
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 2, No 1 (2018)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (395.144 KB) | DOI: 10.30821/fisitek.v2i1.1433

Abstract

Detection and monitoring system of smoke concentration is very useful forplaces that tend to be flammable or area/room that are designated as non smoking area. This system is not only able to detect smoke but also determine the existence of point/source of smoke (areas where greater smoke concentrations are detected). The presence of smoke sources can be observed by monitoring systems with the addition of mobile camera trackers to focus on the presence of smoke sources. This system is veryhelpful to facilitate the building/room security officers in monitoring the smoke in their area, either smoke caused by fire or cigarette smoke in non smoking area. This researchuses MQ-2 type smoke sensor, ATmega32 as controller, and also equipped with LCD display, monitor screen, and camera tracker. The test results prove that the system has been successfully integrated and able to achieve the desired target, that this system can be used properly to detect and monitor the presence of smoke sources.Keywords: camera tracker, detection and monitoring system, and smoke sensor.
PREPARATION AND CHARACTERIZATION OF POLYMER COMPOSITE TILE BASED ON BOILER ASH WASTE FROM PALM OIL INDUSTRY AND FIBER FROM WASTE TIRE REINFORCED BY ASPHALT Awan Maghfirah; Anwar Dharma Sembiring; Mulkan Iskandar Nst
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 2, No 1 (2018)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (405.64 KB) | DOI: 10.30821/fisitek.v2i1.1542

Abstract

Polymer composite tile based on boiler ash waste from palm oil industry (ABKS) and fiber from waste tire reinforced by asphalt have been prepared through compression molding techniques. The raw materials consist of sand, ABKS, recycled tire fibers, asphalt, and epoxy resin with variation of ABKS and recycled tire fibers composition by 20%:0%, 18%:2%, 16%:4%, 14%:6%, 12%:8%, and 10%:10%. The characterization performed includes: physical properties (density and water absorption), mechanical properties (compressive strength, impact strength, and flexural strength), and thermal properties (DTA, Differential Thermal Analysis). The test results showed that sample with the optimum composition of sand, ABKS, recycled tire fibers, asphalt, and epoxy resin of 55%: 12%: 8%: 10%: 15% had the highest density value of 1.64 grams/cm3, water absorption of 1.72%, impact test value of 77.68 kJ/m2, bending strength value of 19.373 MPa, and DTA temperature of 360 ºC. These results meet SNI standards for existing tiles and can be used as an alternative tile materials which is affordable and environmentally friendlyKeywords: Boiler ash waste from palm oil industry (ABKS), polymer composite tile, and recycled tire fibers
MANUFACTURE OF LIGHTWEIGHT CONCRETE BASED ON ORGANIC WASTE Ety Jumiati; Masthura Masthura
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 2, No 1 (2018)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (316.5 KB) | DOI: 10.30821/fisitek.v2i1.1543

Abstract

The making of lightweight concrete for lightweight construction materials has been conducted with raw materials based on organic waste from households. The purpose of this study was to utilize household organic waste as aggregate for the manufacture of lightweight concrete. The materials used consist of organic waste, sand, cement, and latex resin with the variation of organic waste composition are 0, 25, 50, 75, and 100% by volume and the addition of latex resin are 10, 12, and 14% by volume. Test parameters performed include density, water absorption, shrinkage, compressive strength, tensile strength, and flexural strength. The result showed that the optimal composition of produced concrete are 25% by volume of waste and 12% by volume of latex resin with the density = 1.46 g/cm3, water absorption = 26.70%, shrinkage = 0.143%, compressive strength = 7.10 MPa, tensile strength = 2.10 MPa, and flexural strength = 2.67 MPa.Keywords: Latex, lightweight concrete, and organic waste.
MECHANICAL PROPERTIES OF RUBBER YARN WITH THE ADDITION OF KAOLIN AS A REINFORCING FILLER Shinta Marito Siregar
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 2, No 1 (2018)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (337.431 KB) | DOI: 10.30821/fisitek.v2i1.1544

Abstract

Rubber yarns have been made using kaolin and titanium dioxide (TiO2) as fillers on concentrated latex compounds, with kaolin variations of 0, 6, 12, and 15 phr. This research was conducted to find out the result of kaolin concentration analysis on rubber vulcanization. The observed mechanical properties include a modulus of 300%, a modulus of 500%, a breaking tension, and a breaking extension. Kaolin mixed with titanium dioxide (TiO2) has an effect on the mechanical properties of rubber yarn. The higher the kaolin concentration, the mechanical properties of the rubber yarn are getting worse, as it is increasingly away from the standard value set for the rubber yarn.Keywords: Kaolin, rubber yarn, and vulcanization.

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