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All Journal SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Science and Technology Indonesia Communications in Science and Technology MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Automotive Experiences JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI Bulletin of Chemical Reaction Engineering & Catalysis
Ferry Budhi Susetyo
Jurusan Teknik Mesin, Fakultas Teknik, Universitas Muhammadiyah Jakarta
Aerospace Engineering Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics

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Journal : Communications in Science and Technology

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Preparation, synthesis and characterizations of La0.7Sr0.3Mn(1-y)Ni(y)O3 alloy Setiawan, Jan; Susetyo, Ferry Budhi; Nanto, Dwi; Simbolon, Silviana; Notonegoro, Hamdan Akbar; Al Farizi, Taufiq; Yunasfi; Tihera, Dinda; Ramlan
Communications in Science and Technology Vol 9 No 1 (2024)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.9.1.2024.1361

Abstract

Nickel (Ni) doped in the perovskite manganite could result in superior properties. The effect of the Ni on the morphology, crystallographic orientation, and magnetic properties of La0.7Sr0.3Mn(1-y)Ni(y)O3 alloy (y = 0.1, 0.3, 0.5, and 0.7), therefore, was undertaken. La0.7Sr0.3Mn(1-y)Ni(y)O3 alloy was firstly processed using a ball milling process, and again processed through heat treatment and crushing at the end of the synthesis process. Powder alloy was then investigated using a scanning electron microscope equipped with scanning electron microscope and energy dispersive spectroscopy (SEM-EDS), x-ray diffraction (XRD), and vibrating sample magnetometer (VSM). The particle size became smaller and agglomerated as the amount of Ni doping increased. The polycrystal structure phase formed would become more complex when the Ni doping was 0.5 and 0.7, where the dominant phase formed was La2NiO4 even though the La0.7Sr0.3Mn(1-y)Ni(y)O3 phase was still formed. The magnetic characteristics showed that the Ni doping of 0.1 had a higher magnetization value around 4.2 emu/g at room temperature.
Rotating speed and magnetic pole dependency assisted on copper deposition onto aluminum alloy substrate for bacterial eradication application Basori, Basori; Ruliyanta; Ajiriyanto, Maman Kartaman; Kriswarini, Rosika; Hardiyanti, Heri; Rosyidan, Cahaya; Yudanto, Sigit Dwi; Situmorang, Evi Ulina Margaretha; Edbert, Daniel; Nanto, Dwi; Susetyo, Ferry Budhi
Communications in Science and Technology Vol 10 No 1 (2025)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.10.1.2025.1547

Abstract

Copper (Cu) is widely used in many sectors, such as drinking water piping, heat exchangers, and medical equipment. The present research conducted an electrodeposition of Cu over an aluminum (Al) alloy substrate under the influence of various magnetic poles and rotating speeds. In the present study, a number of investigations, including deposition rate, current efficiency, coating thickness, surface morphology and phase, crystallographic orientation, antibacterial activity, electrochemical behavior, and hardness test were conducted. Increasing the rotation speed promoted to enhanced deposition rate and current efficiency for both magnetic poles influence. An increase in the deposition rate from 12.83 to 13.67 µm/h led to the increasing thickness, a change in surface morphology near the spheroidal, becoming a faceted structure. Presenting and rising in the rotation of a magnetic field led to a reduced surface roughness and crystallite size of Cu film for both magnetic poles influence. The Cu film made without spinning magnetic had a characteristic of highest bacterial inhibition zone around 2.50 ±0.56 cm². The CuRN50 sample had the lowest corrosion rate at around 0.055 mmpy, while the CuRS100 sample had the highest hardness value at approximately 80.72 HV for having the lowest crystallite size. Cu coated onto Al alloy could enhance its properties, such as being antimicrobial, being resistant against corrosion and having the hardness value.
Co-Authors Agus Jamaludin Agus Jamaludin Alhamidi, A. Ali Alias, Juliawati Anggrainy, Rani Ansori, Fuad Anugrah, Hanif Setia Bambang Soegijono Basori Basori Basori Budhy Kurniawan Cahaya Rosyidan Daniel Edbert, Daniel Dwi Nanto, Dwi Etty Mutiara Evi Ulina Margaretha Situmorang Fadwah Maghfurah Hasbi, Muhammad Yunan Heri Hardiyanti Imam Basori Indriasti, Zulfah Jan Setiawan Krisyono, Danar Hari Kurniawan, Ova Lubi, Ahmad Maman Kartaman Ajiriyanto Maman Kartaman Ajiriyanto Mansor, Muhd Ridzuan Maulani, Mustamina Muhammad Fauzan Perdana Putra Muhammad Yunan Hasbi Munzir Qadri Muqafillah, Mochammad Fajr Dzakwan Nababan, Frederik Gresia Notonegoro, Hamdan Akbar Prasetya, Dendy Wardhana Premono, Agung Putra, Valentinus Galih Vidia Raksa, Teguh Yoga Ramlan Rohman, Fakhrony Sholahudin Rosika Kriswarini Ruliyanta Ruliyanta Samura, Lisa Setia Budi Setiawidi, Yoganantya Sigit Dwi Yudanto Simbolon, Silviana Sopiyan Sopiyan, Sopiyan Sudibyo Sudibyo Sugeng Priyanto, Sugeng Sukarno, Ragil Sulis Yulianto Syamsuir Syamsuir, Syamsuir Syaripuddin Syaripuddin Syaripuddin Taufiq Al Farizi Tihera, Dinda Tri Yulianto Triandi, Adrian Ova Yudanto, Sigit Dwi Yunasfi Yunita Sari Yusmaniar Yusmaniar