Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Novrita Idayanti"'
Autor:
Ardita Septiani, Novrita Idayanti, Tony Kristiantoro, Dedi Mada, Nadya Larasati Kartika, Dadang Mulyadi, Asep Rusmana, Pepen Sumpena
Publikováno v:
Jurnal Elektronika dan Telekomunikasi, Vol 21, Iss 1, Pp 27-34 (2021)
This study aims to evaluate the structural, magnetic, and microwave absorbing properties at the X-band region of oxidized mill scales as by-product derived from a steel making process by means of a facile solid-state reaction. The oxidized mill scale
Externí odkaz:
https://doaj.org/article/9d7b9903b02f4ec5b88f75d428482dc2
Publikováno v:
Jurnal Elektronika dan Telekomunikasi, Vol 16, Iss 1, Pp 1-6 (2016)
Telah dilakukan perhitungan nilai ketidakpastian pengukuran pada karakteristik material magnet permanen menggunakan alat ukur Permagraph Magnet Physik Germany. Karakteristik magnet yang diukur adalah induksi remanen, Br (kG), gaya koersifitas induksi
Externí odkaz:
https://doaj.org/article/e624e5a9373e4ea3a269a82dfa6e1777
Autor:
Tony Kristiantoro, Novrita Idayanti
Publikováno v:
Jurnal Elektronika dan Telekomunikasi, Vol 14, Iss 2, Pp 51-55 (2016)
Circulator merupakan perangkat elektronik yang memiliki fungsi penting pada suatu sistem pemancar dan penerima gelombang frekuensi radio (RF), di mana magnet permanen dapat berfungsi sebagai pengarah gelombang (waveguide). Penelitian ini bertujuan un
Externí odkaz:
https://doaj.org/article/1bf68a52b8ac49359a2074fee144b9d1
Autor:
Ardita Septiani, Novrita Idayanti
Publikováno v:
Jurnal Elektronika dan Telekomunikasi, Vol 15, Iss 1, Pp 14-17 (2016)
Pembuatan magnet lunak MnZn ferit dan magnet keras barium ferit telah dilakukan menggunakan bahan baku utama limbah pengelasan. Limbah pengelasan yang digunakan merupakan limbah dengan komposisi utama Fe dan O dengan Al dan Bi sebagai pengotor. Magne
Externí odkaz:
https://doaj.org/article/a18533f2a5d64b328c1b747d2c304510
Publikováno v:
Journal of Nano Research. 69:53-66
In this study, the particle sizes of SrFe12O19 in hard/soft SrFe12O19/CoFe2O4 nanocomposite magnets made using mechanical alloying and ultrasonic irradiation were investigated. SrFe12O19/CoFe2O4 nanocomposites were combined in a ratio of 75:25, with
Publikováno v:
Key Engineering Materials. 855:108-116
Magnetic property studies and the crystallite structures evolution of spinel ferrite CoFe2O4 particles are reported in this paper. The ferrite was prepared through mechanical milling of all alloy precursors and sintered at various temperatures of 800
Publikováno v:
2021 International Conference on Radar, Antenna, Microwave, Electronics, and Telecommunications (ICRAMET).
Autor:
Pepen Sumpena, Dadang Mulyadi, Dedi Mada, Ardita Septiani, Tony Kristiantoro, Nadya Larasati Kartika, Novrita Idayanti, Asep Rusmana
Publikováno v:
Jurnal Elektronika dan Telekomunikasi, Vol 21, Iss 1, Pp 27-34 (2021)
This study aims to evaluate the structural, magnetic, and microwave absorbing properties at the X-band region of oxidized mill scales as by-product derived from a steel making process by means of a facile solid-state reaction. The oxidized mill scale
Autor:
Nanang Sudrajat, Novrita Idayanti, K. Kristiantoro, I. Kurniawan, Dadang Mulyadi, J. Nugraha, M. Nurdin
Publikováno v:
Instrumentasi. 44:155
Development a prototype and its testing method of five traps metal catcher s for removing metal impurities in food products have been done. This instrument can capture metal pieces during the production process. The purpose of this study is to provid
Publikováno v:
AIP Conference Proceedings.
Cobalt ferrite (CoFe2O4) is a well-known hard magnetic material with high coercivity and moderate magnetization. These properties, along with their great physical and chemical stability, make CoFe2O4 suitable for many applications such as generator,