2020
DOI: 10.7454/mst.v23i3.3880
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A New Synthesized Microalloys Steel ODS of High Amplitude Ultrasonically Irradiation

Abstract: Micropowders of oxide-dispersion-strengthened (ODS) steel have been synthesized using the ultrasonic irradiation method with variations in amplitude. The ultrasonic irradiation process is performed for 50 h at a frequency of 20 kHz with 40%, 50%, and 60% amplitudes in toluene solution. The formation of Fe-Cr microalloys in the preparation of Fe-15Cr-0.5Y 2 O 3 powder was analyzed using SEM-EDS, X-ray diffraction (XRD), and TEM-EDS. The percentage of Fe-Cr phase mass fraction of ODS steel micropowder formed dur… Show more

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Cited by 6 publications
(9 citation statements)
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“…The mixing and pre alloying were performed by the ball milling process with ultrasonic treatment. The ultrasonic of horn type in toluene solution at frequency of 20 kHz for 50 hours was used to improve the pre-alloying process and the homogeneity of Ytria distribution [14,15,18]. Three different amplitude modes of 40%, 50% and 60% were applied on the process, therefore called samples of A, B, and C respectively.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…The mixing and pre alloying were performed by the ball milling process with ultrasonic treatment. The ultrasonic of horn type in toluene solution at frequency of 20 kHz for 50 hours was used to improve the pre-alloying process and the homogeneity of Ytria distribution [14,15,18]. Three different amplitude modes of 40%, 50% and 60% were applied on the process, therefore called samples of A, B, and C respectively.…”
Section: Methodsmentioning
confidence: 99%
“…Three different amplitude modes of 40%, 50% and 60% were applied on the process, therefore called samples of A, B, and C respectively. The microalloyed powders used in this experiment was found from reference [18] result. Each of mixture was then compacted in pellet shaped with 8000 psi load-pressure using isostatic pressure.…”
Section: Methodsmentioning
confidence: 99%
“…Sebagai salah satu Negara dengan jumlah penduduk muslim terbanyak didunia membuat Indonesia menjadi pangsa pasar besar bank syariah untuk mewujudkan perbankan syariah yang lebih baik lagi. Sayangnya perbankan syariah di Indonesia hanya menguasai pangsa pasar sebanyak 4,87 persen di tahun 2015 (Silalahi & Sultami, 2020). Rendahnya minat masyarakat terhadap bank syariah menjadi permasalahan utama yang dihadapi bank syariah (Agus Setyawan et al, 2020).…”
Section: Pendahuluanunclassified
“…Meskipun sederhana, banyak parameter yang perlu dikontrol seperti BPR (ball to powder ratio), lama milling, kecepatan milling dan lainnya. Metode lain yang juga banyak digunakan untuk memfabrikasi ODS adalah dengan menggunakan metode ultrasonik [8,9]. Dilaporkan bahwa metode ini dapat mensintesis paduan mikro dalam baja dengan mudah dan efisien.…”
Section: Pendahuluanunclassified
“…Metode ini menggunakan larutan toluene sebagai media terbentuknya kavitasi. Kavitasi yang terbentuk dari gelombang ultrasonik berintensitas tinggi yang menghasilkan gelembung-gelembung berenergi tinggi yang mendorong terjadinya eksplosi besar yang dapat memadukan paduan didalamnya [8]. Hasil paduan tersebut kemudian disinter menggunakan Arc Plasma Sintering (APS) yang merupakan pembaruan pada metode sintering yang menggunakan plasma untuk proses sinteringnya [10,11].…”
Section: Pendahuluanunclassified