Efek Variasi Komposisi dan Waktu Milling terhadap Sifat Fisis dan Kuat Tekan Keramik Clay

Authors

  • Afifah Alif Mahdalena Laboratorium Fisika Material, Jurusan Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Andalas
  • Mora Mora Laboratorium Fisika Material, Jurusan Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Andalas

DOI:

https://doi.org/10.25077/jfu.8.1.6-12.2019

Abstract

Telah dilakukan penelitian mengenai efek variasi komposisi dan waktu milling terhadap sifat fisis dan kuat tekan keramik clay. Clay dimilling menggunakan ball mill dengan variasi waktu 5 dan 10 jam. Sampel dibuat dengan perbandingan massa clay yang tidak dimilling dengan clay yang dimilling adalah 100%:0%, 90%:10%, 80%:20%, 70%:30%, 60%:40%, 0%:100%. Susut bakar keramik clay minimum adalah 17,3% yang terdapat pada komposisi campuran massa 60%:40 % yang dimilling selama 5 jam. Nilai densitas keramik tertinggi terdapat pada komposisi massa 60%:40% clay yang dimilling 5 jam yaitu 1,853 gr/cm3. Porositas terendah pada komposisi massa 80 %:20% clay yang dimilling 5 jam yaitu 25,21 %. Kuat tekan tertinggi pada komposisi massa 60%:40% yang dimilling 5 jam yaitu 584,03 kg/cm2. Hasil XRD menunjukan clay mengandung mineral kaolinit, illite, dan kuarsa. Ukuran kristal clay tidak dimilling yaitu 105,381 nm, setelah dimilling 5 jam menjadi 100,058 nm dan setelah milling 10 jam menjadi 94,335 nm. Hasil SEM menunjukan ukuran partikel clay tidak dimilling adalah 12,083 μm, setelah dimilling 5 jam menjadi 9,005 μm dan setelah dimilling 10 jam menjadi 18,9 μm.

 Kata kunci : keramik clay, clay, milling, susut bakar

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Published

2019-01-02

How to Cite

Mahdalena, A. A., & Mora, M. (2019). Efek Variasi Komposisi dan Waktu Milling terhadap Sifat Fisis dan Kuat Tekan Keramik Clay. Jurnal Fisika Unand, 8(1), 6–12. https://doi.org/10.25077/jfu.8.1.6-12.2019

Issue

Vol. 8 No. 1 (2019)

Section

Articles

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Copyright (c) 2019 Afifah Alif Mahdalena, Mora Mora

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