Perilaku Korosi Stainless Steel 304 Terlapisi Komposit PANi/ZrO2 Dengan Variasi Fasa ZrO2

Hardiyanto, Dwi Wahyu (2018) Perilaku Korosi Stainless Steel 304 Terlapisi Komposit PANi/ZrO2 Dengan Variasi Fasa ZrO2. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Pada penelitian ini disintesis zirkonia dari pasir zirkon alam menggunakan metode alkali fusion-kopresipitasi. Zirkonia yang dihasilkan kemudian dikalsinasi pada temperature 8000C dan 12000C. Fasa zirkonia hasil alkali fusion-kopresitasi dan hasil kalsinasi diidentifikasi menggunakan XRD. Hasil XRD zirkonia alkali fusion-kopresipitasi berfasa amorf, sedangkan serbuk zirkonia hasil kalsinasi pada suhu 8000C selama 3 jam terbentuk fasa tetragonal-zirkonia dan serbuk zirkonia hasil kalsinasi pada suhu 12000C selama 6 jam terbentuk fasa tetragonal-zirkonia dan monoklinik-zirkonia. Zirkonia dengan fasa bervariasi ini dicampur dengan polianilin menggunakan metode polimerisasi in-situ sehingga terbentuk komposit PANI/ZrO2. Komposit PANI/ZrO2 dilapiskan ke permukaan baja SS 304, kemudian diuji perilaku korosinya menggunakan uji polarisasi. Struktur komposit PANI/ZrO2 diuji menggunakan FTIR. Hasil uji FTIR menunjukkan adanya pergeseran puncak serapan, hal ini menunjukkan terbentuk komposit PANI/ZrO2. Hasil uji polarisasi menunjukkan bahwa laju korosi CAT+PANI/a-ZrO2, CAT+PANI/t-ZrO2, CAT+PANI/(t-ZrO2+m-ZrO2+zirkon) adalah 38,825 x10-8mpy, 203,96 x10-8mpy, 7,6819 x10-8 mpy. ===================================================================================================== In this study synthesized zirconia from natural zircon sand using alkali-fusion-coprecipitation method. The resulting zirconia is then calcined at 8000C and 12000C temperatures. Alkali fusion-coprecipitated zirconia phase and calcination products are identified using XRD. The result of XRD zirconia alkali fusion-copresipitation was amorphous, while calcined zirconia powder at 8000C for 3 hours formed a tetragonal-zirconia phase and calcined zirconia powder at 12000C for 6 hours formed tetragonal-zirconia and monoclinic-zirconia phases. Zirconia with this varied phase is mixed with polyaniline using in-situ polymerization method to form composite PANI / ZrO2. The PANI / ZrO2 composite was superimposed onto the SS 304 steel surface, then tested its corrosion behavior using polarization test. The composite structure PANI / ZrO2 is tested using FTIR. FTIR test results show that there is a shift of absorption peak, this indicates composite PANI / ZrO2 formed. The polarization test results show that the corrosion rate of CAT + PANI / a-ZrO2, CAT + PANI / t-ZrO2, CAT + PANI / (t-ZrO2 + m-ZrO2 + zircon) is 38,825 x10-8mpy, 203,96 x10-8mpy, 7,6819 x10-8 mpy.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Alkali fusion-kopresipitasi, Kalsinasi, Zirkonia
Subjects: Q Science
Q Science > QC Physics
Q Science > QD Chemistry
Q Science > QD Chemistry > Polymerization
Q Science > QD Chemistry > QD383 Epoxy Compounds
Q Science > QD Chemistry > QD471 Chemical compounds - Structure and formulas
Q Science > QD Chemistry > QD63 Extraction
T Technology > TP Chemical technology > TP1140 Polymers
T Technology > TP Chemical technology > TP248 Nanogels. Nanoparticles.
Divisions: Faculty of Natural Science > Physics > 45201-(S1) Undergraduate Thesis
Depositing User: Dwi Wahyu Hardiyanto
Date Deposited: 22 Jul 2021 21:41
Last Modified: 22 Jul 2021 21:41
URI: https://repository.its.ac.id/id/eprint/57868

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