PENGARUH TEKANAN VAKUM TERHADAP KEMURNIAN OKSIGEN PADA PROSES VACUUM PRESSURE SWING ADSORPTION by Amelia Sugondo, Teng Sutrisno, Richard M. Saputra Saputra

“…VPSA was designed with 2 beds containing 13x zeolite added with activated alumina and 1 bed containing carbon molecular sieve (CMS). …”
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Effect of Metakaolin on the Diffusion Properties of Chloride Ions in Cement Mortar under the Coupling Effect of Multiple Factors in Marine Environment by Yezhen Yuan, Kaimin Niu, Bo Tian, Lijuan Kong, Lihui Li

“…This is because the products of calcium alumina, gypsum, and calcium carbonate grow together and compete with each other to form more large capillaries; thus, accelerating the diffusion of chloride ions in cement mortar. …”
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Fabrication and Characterization of a W-Band Cylindrical Dielectric Resonator Antenna-Coupled Niobium Microbolometer by M. Abdel-Rahman, M. Kamran Saleem, Najeeb Al-Khalli, Nacer Debbar, Majeed A. S. Alkanhal, Abdelrazik Sebak

“…The ceramic DRA structure is manufactured using a novel fabrication process that enables patterning an SU-8–Alumina (Al2O3) nanopowder composite using conventional photolithography. …”
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Potential Application of Porous Oxide Ceramics and Composites in Concentrated Solar Technologies by Gözde Alkan, Peter Mechnich, Ferdinand Flucht, Christian Willsch

“…In this study, sintered bauxite particles, (Al2O3) matrix/(Al2O3) fiber, mullite matrix/mullite fiber ceramic matrix composites, plasma‐sprayed alumina, and mullite ceramics are evaluated in terms of their mechanical properties and CST‐related functional properties. …”
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Determination of Phthalate Plasticisers in Palm Oil Using Online Solid Phase Extraction-Liquid Chromatography (SPE-LC) by Nazarudin Ibrahim, Rozita Osman, Azmui Abdullah, Norashikin Saim

“…A simple sample preparation involving alumina as a fat retainer and methanol : acetonitrile (1 : 1) as the extraction solvent was performed prior to the usage of online SPE-LC system. …”
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PERILAKU OKSIDASI ISOTERMAL PADUAN 68,5Fe-14Ni-9Al-7,5Cr-1Mo PADA TEMPERATUR 800, 900, DAN 1000°C by Fadhli Muhammad, Eddy Agus Basuki

“…This study addresses the development of an alumina-forming 68.5Fe-14Ni-9Al-7.5Cr-1Mo austenitic iron-based alloy, isothermally oxidized at 800, 900, and 1000°C for 1, 10, 50, and 150 h, respectively. …”
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Analysis of Bone Density and Bone Morphometry by Periapical Radiographs in Dental Implant Osseointegration Process by Ratih Trikusumadewi Lubis, Azhari Azhari, Farina Pramanik

“…The implant used is a titanium alloy and coated by SA (sunblasted with alumina acid) of 4 mm in diameter and 7 mm in length. …”
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Evaluation of Ceramic Membrane Filtration for Alternatives to Microplastics in Cosmetic Formulations Using FlowCam Analysis by Seung Yeon Kim, Soyoun Kim, Chanhyuk Park

“…Bench-scale crossflow filtration experiments were performed with commercially available alumina ceramic membranes. By analyzing high-resolution images from FlowCam, the transport and retention behaviors of the two microplastic alternatives were examined by comparing their morphological properties. …”
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Improving Anti-Corrosion Property of Aluminium Alloy by Fabrication MAO Coating via Mixing Titanium Potassium Oxalate into Electrolyte by Wei Song, Yasheng Xing, Zhen Song

“…Then, it was found that after the micro arc oxidation, an alumina oxide coating was prepared on the surface of the aluminium alloy, and the Al₂O₃ and TiO₂ characteristic peak was observed. …”
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Combustion Characteristics of Butane Porous Burner for Thermoelectric Power Generation by K. F. Mustafa, S. Abdullah, M. Z. Abdullah, K. Sopian

“…The porous burner was tested with butane gas using two sets of configurations: single layer porcelain and a stacked-up double layer alumina and porcelain. Six PbSnTe thermoelectric (TE) modules with a total area of 54 cm2 were attached to the wall of the burner. …”
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MEASUREMENT OF CO AND NO2 GAS CONCENTRATION'S BY MULTISENSOR MICROSYSTEM IN THE MODE OF PULSE HEATING by O. G. Reutskaya, Y. M. Pleskachevsky

“…According to the results determine the sensitivity (sensor response) the maximum value is after 60 s for the sensor with a sensing layer SnO2+Pt+Pd when exposed to CO was 670 %, and for the sensor with In2O3+Al2O3+Pt – 380 %.Advantages of using pulsed heating from the point of view of a power consumption multisensor microsystem mW-range and high performance sensors on substrates of nanostructured alumina were established.…”
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Upgradation of Iron Ore Fines and Slime by Selective Flocculation Using Surface-Active Agents, Settling Study, and Characterization of the Beneficiation Waste for Value Addition by Jyotirmoy Sarma, Sanchayita Rajkhowa, Sekh Mahiuddin

“…The gangues in the dispersed phase as characterised by “SEM-EDXA” are mostly clay-bearing minerals like kaolinite, goethite, chlorite, and alumina-silicate minerals. Heat treatment causes distortion of clay minerals present in the dispersed phase and also indicates the complex nature of the gangue minerals.…”
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Trihybrid nanofluid flow through nozzle of a rocket engine: Numerical solution and irreversibility analysis by Basharat Ullah, Rabia Rehman, Hafiz Abdul Wahab, Umar Khan, Walid Emam

“…The primary focus of the investigation is on the use of nanoparticles (titanium dioxide, copper oxide, and alumina dioxide) that are dispersed in water as the base fluid. …”
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Estimation of stepwise crack propagation in ceramic laminates with strong interfaces by K. Štegnerová, P. Hutař

“…The contribution deals with a description of the specific crack behaviour in the layered alumina-zirconia ceramic laminate. The main aim is to clarify crack behaviour in the compressive layer and provide computational tools for estimation of crack behaviour in the field of strong residual stresses. …”
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Synthesis and Thermal Adsorption Characteristics of Silver-Based Hybrid Nanocomposites for Automotive Friction Material Application by R. Venkatesh, P. Sakthivel, M. Vivekanandan, C. Ramesh Kannan, J. Phani Krishna, S. Dhanabalan, T. Thirugnanasambandham, Manaye Majora

“…The present research is to develop silver-based hybrid nanocomposites containing alumina (Al2O3) and silicon carbide (SiC) nanoparticles of 50 nm mixing with the ratio of 0 wt% Al2O3/0 wt% SiC, 5 wt% Al2O3/0 wt% SiC, and 5 wt% Al2O3/5 wt% SiC via the semisolid vacuum stir-cast technique. …”
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Effect of oxygen potential and fluxing components on phase relations during sintering of iron ore by Mcbow I., Kongoli F., Budd R., Llubani S., Yazawa A.

“…This work quantifies the effect of oxygen potential and fluxing components such as alumina and magnesia on the liquidus and phase relations of the sinter primary melts in the iron rich portion of CaO-FeO-Fe2O3-SiO2 system at sintering conditions. …”
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Experimental Investigations on the Effect of Reinforcement Coating on Magnesium Composites for Automotive Brake Pad by S. Venugopal, L. Karikalan, R. Kumar

“…The Mg composite is reinforced with electroless Ni-P-coated alumina and silicon carbide microparticles using the parameter optimized stir-squeeze method. …”
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Development of a Zero-Cement Binder Using Slag, Fly Ash, and Rice Husk Ash with Chemical Activator by M. R. Karim, M. F. M. Zain, M. Jamil, F. C. Lai

“…., sodium/calcium-silica-hydrate-alumina gel). Therefore, Z-Cem could be developed using the aforementioned materials with the chemical activator.…”
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Thermal, flow and inclusions analysis of clogging mechanism in continuous casting process by Xiaocheng Liang, Lin Wang, Zhongfei Liu, Zhihui Li, Xudong Luo, Feng Wu, Qichen Yuan, Benjun Cheng

“…However, it is plagued by a persistent issue of clogging, which not only diminishes the lifetime of the Alumina-Carbon ladle shroud but also severely disrupts the smooth operation of the continuous casting process. …”
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Sewage sludge as a sustainable feedstock for biodiesel: Advances in conversion technologies and catalytic applications by Christopher Selvam D, Yuvarajan Devarajan, Raja T

“…Supported heteropolyacids (HPAs), notably phosphotungstic and phosphomolybdic acids when deposited on silica and alumina, exhibit remarkable catalytic efficiency, attaining biodiesel yields of 90 % to 95 % under optimized operational parameters. …”
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