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Anjani, Ratna Dewi
Universitas Singaperbangsa Karawang
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Journal : Jurnal Polimesin

 1 
PENGARUH VARIASI FRAKSI VOLUME FILLER TERHADAP SIFAT MEKANIK KOMPOSIT RAMBUT MANUSIA BERMATRIKS EPOXY DENGAN PENGUAT TALC POWDER Eko Nurprasetyo; Kardiman Kardiman; Ratna Dewi Anjani
Jurnal POLIMESIN Vol 19, No 2 (2021): Agustus
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v19i2.2283

Abstract

Komposit adalah gabungan dari dua atau lebih material berbeda yang terdiri dari serat dan matriks. Penelitian ini menggunakan serat rambut manusia, talc, matrik epoxy dan hardener. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh variasi fraksi volume filler terhadap sifat mekanik dari komposit epoxy-rambut dan komposit epoxy-rambut-bubuk talc. Pembuatan komposit dengan metode hand layup dengan spesifikasi variasi fraksi volume sebanyak 6 buah dan pengujian yang digunakan adalah uji SEM, uji tarik ASTM D-638, uji bending ASTM D-790, dan uji impak ASTM D-6110. Hasil studi komposit rambut epoxy menunjukkan bahwa semakin rendah fraksi volume rambut akan meningkatkan kerapatannya. Hasil pengujian menghasilkan bahwa uji tarik dengan nilai terbesar diperoleh dari fraksi volume 60% epoksi: 20% rambut: 20% bedak bernilai 1,58 kg/mm2. Uji bending fraksi volume epoksi 60%: 20% rambut: 20% bedak sebesar 4,26 kg/mm3. Uji impak tertinggi diperoleh dari fraksi volume rata-rata epoksi 60%: 40% rambut dengan nilai 4,07 kJ/m2 . Hal ini terjadi karena dari hasil uji tarik, uji bending, dan uji impak selain pendistribusian gaya yang merata oleh matrik juga didukung oleh serat yang mampu terikat dengan talcnya. Jadi unsur penambahan yaitu talc powder mempengaruhi sifat mekanik yaitu kekuatan impak, tarik,dan bending. Composite is a combination of two or more different materials consisting of fibers and a matrix. This research used human hair fiber, talc, epoxy matrix and hardener. The purpose of this study was to determine the effect of variations in filler volume fraction on the mechanical properties of the epoxy-hair composite and the epoxy-hair-talc powder composite. The manufacture of composites using the hand layup method with a specification of 6 volume fraction variations and the tests used were the SEM test, the ASTM D-638 tensile test, the ASTM D-790 bending test, and the ASTM D-6110 impact test. The results of the study of epoxy hair composites showed that the lower the volume fraction of the hair, the higher its density. The test results showed that the tensile test with the largest value was obtained from the volume fraction of 60% epoxy: 20% hair: 20% powder with a value of 1.58 kg/mm2. Epoxy volume fraction bending test 60%: 20% hair: 20% powder at 4.26 kg/mm3. The highest impact test was obtained from the average volume fraction of 60%: 40% hair epoxy with a value of 4.07 kJ/m2 . This happens because from the results of the tensile test, bending test, and impact test, in addition to the uniform distribution of forces by the matrix, it is also supported by fibers that are able to bond with the talc. So the added element, namely talc powder, affects the mechanical properties, namely the tensile and bending impact strength.
Co-Authors Aa Santosa Aa Santoso Agung Izzulhaq Choerullah Akmal Muhammad Atthoriq Aldi Wahyu Permana Aldo Saputra Alfatah, Muh Irfan Andri Rudiyanto Arfansyah Ramdhani Aripin Aripin Aripin Aripin Arnisa Stefanie Arum, Ardiansyah Aviska Nuravianti Bagas Siswantoro Bimantoro, Bagus Bobie Suhendra Bobie Suhendra Dadan Ma'arif Daniel, Irfan David Henock Tampubolon Deri Teguh Santoso Didiek Pudianto Mubarok Disya Haeriati Ariwiana Putri Dzaky Al Dzikri Eko Nurprasetyo Farradina Choria Suci Fauzan, Farras Noor Febri Aljabar Gamas Rizqilah Gumelar, Reza Hanifi, Rizal Hariyanto, Stefhant Haura Muthia Munawar Iman Dirja Irpan Kurniawan Irvan Indra Cahyadi Iwan Nugraha Gusniar Johan Hendra Saputra Jojo Sumarjo Jojo Sumarjo Kardiman Kardiman - Kardiman, Kardiman Khoerudin Ferry Yusuf Marno , Marno Marno Marno Marsah Rahmawati Utami Miftahul Anwar Mochamad Rafi Herdiana Muchamad Romadon Dwi Arianto Muhamad Taufiq Rachmat Muhammad Fadhlan Farris Muhammad Nur Rizki Muhlis Fajar Wicaksana Munadi Munadi Musthafa, Luthfi Najmudin Fauji Naubnome, Viktor Nugraha, Asep Erik Nugraha, Rapi Oleh, Oleh Prakoso, Sanjaya Pratama, Dani Nugraha Rafiq Allam Mutaqin Rahelia, Vira Deandra Reza Setiawan Rianita Puspa Sari Richard Julianno Soeganda Rinto Fuazzidin Rizal Hanifi Rizal Hanifi Sacarya Linggi Allo Sahrul Asrofani Santosa, Aa Saputra, Muhammad Aji Saputra Aji Sri Bintang Abdul Rohman Stefhant Haryanto, Stefhant Suci, Farradina Choria Suhelmi, Muhamad Fadhlan Sumarjo, Jojo Syaefudin, Arief Ujiburrahman Wahid, Taufik Nur Webi Kahfi Ekin Saputra Yasin, Muhammad Nur