PENGARUH PENAMBAHAN JENIS KERAMIK OKSIDA TERHADAP MORFOLOGI DAN KEKERASAN MAGNESIUM AZ31 DENGAN PROSES ELECTROPHORETIC DEPOSITION (EPD)

Syifa Ranggayoni Nurbaiti; Bunga Rani Elvira; Esmar Budi; Yudi Nugraha Thaha; Aprilia Erryani

doi:10.21009/03.1201.FA33

Syifa Ranggayoni Nurbaiti Program Studi Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Jakarta, Jl. Rawamangun Muka, Jakarta Timur 13220, Indonesia
Bunga Rani Elvira Research Center for Metallurgy, National Research and Inovation Agency, Kawasan Sains dan Teknologi – BRIN, KST B.J. Habibie, Gedung Manajemen 72 Jl. Raya puspiptek Serpong Tangerang Selatan 15314, Indonesia
Esmar Budi Program Studi Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Jakarta, Jl. Rawamangun Muka, Jakarta Timur 13220, Indonesia
Yudi Nugraha Thaha Research Center for Metallurgy, National Research and Inovation Agency, Kawasan Sains dan Teknologi – BRIN, KST B.J. Habibie, Gedung Manajemen 72 Jl. Raya puspiptek Serpong Tangerang Selatan 15314, Indonesia
Aprilia Erryani Research Center for Metallurgy, National Research and Inovation Agency, Kawasan Sains dan Teknologi – BRIN, KST B.J. Habibie, Gedung Manajemen 72 Jl. Raya puspiptek Serpong Tangerang Selatan 15314, Indonesia

DOI: https://doi.org/10.21009/03.1201.FA33

Abstract

Abstrak

Penelitian ini dilakukan dengan menggunakan metode Electrophoretic Deposition (EPD) selama 30 menit dengan suhu ruang pada subtrat Magnesium AZ31 dengan arus 1A dan ektroda yang digunakan yaitu Platina (pt). Variasi kandungan keramik oksida yang digunakan sebagai pelapis yaitu x= (ZrO₂); (ZrO₂-Na₂O₇Si₃); (ZrO₂-Na₂O₇Si₃-Al₂O₃). Karakterisasi dilakukan menggunakan Scanning Electron Microscopy (SEM) terlihat permukaan Mg AZ31 menunjukkan perubahan morfologi dengan ukuran aglomerat yang semakin besar seiring dengan bertambahnya jenis oksida yang ditambahkan. Uji Electron Dispersive X-Ray Spectroscopy menunjukkan massa Mg yang terdeteksi paling sedikit 66,4246 yaitu pada pelapis ZrO₂. Mg AZ31 dengan senyawa ZrO₂-Na₂O₇Si₃-Al₂O₃memiliki ketebalan yang paling tebal dengan rata rata ketebalan 19,92 . Lalu hasil dari uji kekerasan menunjukkan sampel mengalami kerapuhan seiring dengan bertambahnya jumlah keramik oksida yang ditambahkan.

Kata-kata kunci: Deposisi Elektroforetik, Keramik oksida, Magnesium, Morfologi lapisan, kekerasan.

Abstract

This research was conducted using the Electrophoretic Deposition (EPD) method for 30 minutes at room temperature on a Magnesium AZ31 substrate with a current of 1A and the electrode used was Platinum (pt). Variations in the content of ceramic oxide used as a coating are x= (ZrO₂); (ZrO₂-Na₂O₇Si₃); (ZrO₂-Na₂O₇Si₃-Al₂O₃). Furthermore, characterization was carried out using Scanning Electron Microscopy (SEM) and it was seen that the surface of Mg AZ31 showed morphological changes with increasing agglomerate sizes as the type of oxide added increased. Electron Dispersive X-Ray Spectroscopy test showed that the Mg mass detected was at least 66.4246, namely on the ZrO₂ coating. Mg AZ31 with ZrO₂-Na₂O₇Si₃-Al₂O₃ compounds had the thickest thickness with an average thickness of 19.92 . Then the results of the hardness test showed that the samples experienced brittleness as the amount of ceramic oxide added increased.

Keywords: Electrophoretic Deposition, Oxide ceramic, Magnesium, Coating morphology, Hardness.

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