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Noor Ayuma Mat Tahir, Shahira Liza, Kanao Fukuda, Syazwani Mohamad, Mohd Zakir Fathi Hashimi, Mohd Saifulnizam Mohd Yunus, Yazid Yaakob and Intan Sharhida Othman
Hard anodizing has proven to be a helpful surface treatment for aluminium alloy and typically accompanied by the growth of a porous and highly flawed oxide layer. The presence of pores on the oxide surface can be taken as an advantage in improving the su...
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Mostafa Seifan, Shaira Mendoza and Aydin Berenjian
In this study, the effects of micro-Al2O3 (MA) and nano-Al2O3 (NA) on the mechanical properties and durability performance of a mortar containing fly ash (FA) were investigated. In the first step, MA and NA were added to the mortar (as a cement replaceme...
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Aiming Bu, Yongfu Zhang, Yan Xiang, Yunjie Yang, Weiwei Chen, Huanwu Cheng and Lu Wang
This manuscript reported the synthesis of Al2O3 coating onto quartz fiber fabric by plasma electrolysis spray for enhanced thermal conductivity and stability. The nano- and micro-sized clusters were partially observed on the coating, while most coating w...
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David Vokoun, Ladislav Klim?a, Aliaksei Vetushka, Jan Duchon, Jan Racek, Jan Drahokoupil, Jaromír Kopecek, Yo-Shane Yu, Narmatha Koothan and Chi-Chung Kei
Pt coatings on NiTi film micro-actuators and/or sensors can add some useful properties, e.g., they may improve the NiTi anticorrosion and thermomechanical characteristics or activate surface properties beneficial for a specific application (e.g., functio...
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Behnam Partopour and Anthony G. Dixon
Computational fluid dynamics (CFD) is coupled with reaction and transport in a micro-scale pellet simulation to study CO oxidation over Rh/Al2O3 catalyst. The macro-pores are explicitly modeled to study the interaction of these phenomena in both the soli...
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Yajun An, Weiqiang Li, Li Zhu, Jingjing Lu and Xianyang Liu
Glass/ceramic composite coatings were prepared on 40Cr steel matrix by thermo-chemical reaction with fly ash and a small amount of SiO2, Al2O3, MgO, and albite as main raw materials. On this basis, adding 10% Al-TiO2-B2O3 exothermic system, the morpholog...
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Mohammadmehdi Shabani, Joaquim Sacramento, Filipe J. Oliveira and Rui F. Silva
Ceramic cutting inserts coated with ten-fold alternating micro- and nanocrystalline diamond (MCD/NCD) layers grown by hot filament chemical vapor deposition (CVD) were tested in the machining of an Al based metallic matrix composite (MMC) containing 15 v...
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Priscilla dos Santos Gaschi, Paola dos Santos Gaschi, Sueli Tereza Davantel Barros, Nehemias Curvelo Pereira
Pág. 303 - 306
In the present study, the sugar cane juice from COCAFE Mill, was clarified using tubular ceramic membranes (a-Al2O3/TiO2) with pore size of 0.1 and 0.3 µm, and membrane area of 0.005 m2. Experiments were performed in batch with sugar cane juice, in a pil...
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Maria Carolina Sérgi Gomes, Mariza Zanon Ferreira, Vinícius Passador Tonelli, Sueli Teresa Devantel de Barros, Nehemias Curvelo Pereira
Pág. 415 - 419
Neste trabalho foi avaliada a eficiência da microfiltração com membranas cerâmicas na separação de biodiesel e glicerina. Foram preparadas misturas sintéticas com composição mássica de 80% de biodiesel, 10% de glicerina e 10% de etanol anidro. Os experim...
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