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All Journal Fisitek : Jurnal Ilmu Fisika dan Teknologi EINSTEIN (E-JOURNAL)
Tri Ninda Malika
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Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Materials Science & Nanotechnology Mechanical Engineering Physics

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Physic properties test for variations in the addition of kelor rods (moringa oleivera) on the lis of gypsum profile Ety Jumiati; Abdul Halim Daulay; Tri Ninda Malika
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 5, No 2 (2021)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/fisitekfisitek.v5i2.9972

Abstract

Research on composite materials has been carried out with variations in the addition of Moringa stems to the gypsum profile trim. And tested for variations in the composition of the mixture of Moringa stem fiber and gypsum flour, including: sample A (0% : 100%), sample B (2% : 98%), sample C (4% : 96%), sample D (6% : 94%), sample E (8% : 92%), sample F (10% : 90%) with FAS 0,5. The results of the characterization of the gypsum profiles produced on the physical properties test: density of 1.00-1.24 g/cm3. The value of water absorption is 24-45%. And the thickness development value is 2.27-4.82%, which meets the value of SNI 01-4449-2006. From the research data, the best sample is sample B with a density value of 1.14 g/cm3, the water absorption value is 27%, the thickness expansion value is 3.45%.Keywords :gypsum flour, list profil gypsum, moringa fiberThere has been a study of composite materials with variations of additionsKelor bars on the gypsum profile. And testing compound variationsKelor stem fibers and gypsum flour, among others: sampela (0%: 100%),Sample b (2% 98%), sample c (4% : 966), samel d (6%: 94%), sample e (8%92%), sample f (10% 90%) with fas 0.5. The fine print is the gypsum profileProduced on the test of frisis nature: a density of 1.00-1.24 g/cm3. Power valueAbsorption of 2445% water. And 2.27-4.82% thick development value, whichEnacting value o1-4449-2006. From the research data generated that sampleBest is on sample b with a density value of 1.14 g/cm, the value of permeable water279%, thick development value 3.45%.
ANALISIS SIFAT MEKANIK LIST GYPSUM BERBASIS SERAT BATANG KELOR Masthura Masthura; Ety Jumiati; Tri Ninda Malika
EINSTEIN (e-Journal) Vol 10, No 1 (2022): EINSTEIN (e-Journal)
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (405.61 KB) | DOI: 10.24114/einstein.v10i1.33080

Abstract

Telah dilakukan penelitian list gypsum berbahan serat batang kelor. Penelitian ini bertujuan untuk mengetahui sifat uji mekanik dari list gypsum berbahan serat batang kelor, Variasi komposisi campuran serat batang kelor dan tepung gipsum antara lain 0% : 100%, 2% : 98%, 4% : 96%, 6% : 94%, 8% : 92%, 10% : 90% dengan FAS 0,5. Proses pembuatan sampel list gypsum menggunakan hot press dengan suhu 90oC dan waktu 30 menit. Parameter pengujian sifat mekanik yaitu uji kuat lentur dan kuat patah. Dari hasil pengujian menunjukkan bahwa list gypsum berbahan serat batang kelor memiliki nilai kuat lentur sebesar 140105,4181-484416,5492 kgf/cm2 dan nilai kuat patah sebesar 788,1-2016,9  kgf/cm2, sehingga kuat lentur dan kuat patah sesuai dengan standar mutu papan serat yaitu SNI 01-4449-2006.
Co-Authors Abdul Halim Daulay Ety Jumiati Masthura, Masthura