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Gifty Oppong Boakye, Laura E. Geambazu, Arna M. Ormsdottir, Baldur G. Gunnarsson, Ioana Csaki, Francesco Fanicchia, Danyil Kovalov and Sigrun N. Karlsdottir
Materials can be subjected to severe wear and corrosion due to high temperature, high pressure and mechanical loads when used in components for the production of geothermal power. In an effort to increase the lifetime of these components and thus decreas...
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Pi-Chen Lin, Kaifan Lin, Yu-Hsuan Lin, Kai-Chiang Yang, Vladimir Ivanovitch Semenov, Hsin-Chih Lin and Miin-Jang Chen
Polycrystalline HfZrO2 (HZO) film can be fabricated on as-extruded Mg?Ca alloy, which is identified by the results of XRD and TEM. HZO film can improve the corrosion resistance of as-extruded Mg?Ca alloy to further result in a decrease in the corrosion r...
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Congcong Cao, Wenya Li, Zhengmao Zhang, Xiawei Yang and Yaxin Xu
Cold spray additive manufacturing (CSAM) shows great potential in titanium-alloy production as it is a solid-state process. However, data published so far have demonstrated the difficulty of producing dense and high-strength Ti alloy parts. Our previous ...
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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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Gilda Renna, Paola Leo and Caterina Casavola
This research aims to investigate the effects of process parameters on the quality of WE43 coatings deposited on homologue substrate by ElectroSpark Deposition (ESD) technology. ESD is new technology used to apply coatings or for the restoration and refu...
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Tian Shi, Xuewu Li, Qiaoxin Zhang and Ben Li
Corrosion failure is a thorny problem that restricts the application of Al alloys. As a new technique for functional realization, hydrophobic preparation offers an efficient approach to solve corrosion problem. This work has developed a facile and low-co...
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Abhishek Tiwari and R. K. Singh Raman
This study demonstrates the corrosion resistance of a Cu-Ni alloy coated with a multi-layer graphene. This is one of the first demonstrations of long-term corrosion resistance due to graphene coating, which is crucial since earlier studies have suggested...
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Paola Leo, Gilda Renna and Giuseppe Casalino
ElectroSpark Deposition (ESD) is a pulsed micro-welding process that is capable of depositing wear and corrosion resistance deposit to repair, improve, and to extend the service life of the components and tools. Major new applications have taken place in...
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Abhishek Tiwari and R. K. Singh Raman
This study demonstrates the corrosion resistance of a Cu-Ni alloy coated with a multi-layer graphene. This is one of the first demonstrations of long-term corrosion resistance due to graphene coating, which is crucial since earlier studies have suggested...
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Giovanni Zangari
Electrochemical deposition methods are increasingly being applied to advanced technology applications, such as microelectronics and, most recently, to energy conversion. Due to the ever growing need for device miniaturization and enhanced performance, va...
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Dmitrii Sidelev, Sergey Ruchkin and Egor Kashkarov
The resistance upset welds (RUW) made from E110 alloy without and with Cr coatings were oxidized in air atmosphere at 1100 °C for 2, 10 and 30 min. The cross-section microstructure, elemental composition and hardness were studied before and after oxidati...
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Changwei Su, Linfu Zhao, Liang Tian, Bixia Wen, Mingwu Xiang, Wei Bai and Junming Guo
This work presents the rapid electrodeposition of Fe–Ni alloy foils from chloride baths containing trivalent iron ions at a low pH (<0.0). The effect of the concentration of Ni2+ ions on the content, surface morphology, crystal structure, and te...
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L. P. Cahalan, M. B. Williams, L. N. Brewer, M. M. McDonnell, M. R. Kelly, A. D. Lalonde, P. G. Allison and J. B. Jordon
Large-scale metal additive manufacturing (AM) provides a unique solution to rapidly develop prototype components with net-shape or near-net shape geometries. Specifically, additive friction stir deposition (AFSD) is a solid-state method for large-scale m...
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Van Thao Le, Dinh Si Mai, Van Thuc Dang, Duc Manh Dinh, Thi Hong Cao, Van Anh Nguyen
Pág. 01 - 11
This paper aims to investigate the fabrication of high strength low alloy (HSLA) steels by wire and arc-based directed energy deposition (WADED). Firstly, the relationship between the process variables (including the travel speed-V, the current-C, and th...
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Yong-Beom Lee, Ji-Min Lee, Do-Haeng Hur, Jong-Hyeon Lee and Soon-Hyeok Jeon
Ethanolamine (ETA) is widely used to control the pH value in the secondary water of pressurized water reactors. However, it is necessary to consider other advanced amines which can replace ETA due to its serious human hazards and environmental treatment ...
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Eleni Rosolymou, Stella Spanou, Caterina Zanella, Dimitris S. Tsoukleris, Susanne Köhler, Peter Leisner and Evangelia A. Pavlatou
Direct current electrodeposited Sn?Ni/TiO2 nanostructured coatings were produced by embedding two different doped types of TiO2 particles within the alloy matrix, a commercially available doped carbon-based and doped N,S-TiO2 particles. The structural ch...
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Xinkun Suo, Shuo Yin, Hua Li and Rocco Lupoi
Cold sprayed WC-Co metal matrix composite coatings have shown great potential in wear-resistance applications. This work aims to use experimental and numerical methods to clarify the deposition and particle?substrate bonding behavior of a single porous W...
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Yingying Wang, Bernard Normand, Xinkun Suo, Marie-Pierre Planche, Hanlin Liao and Junlei Tang
As an emerging coating building technique, cold spraying has many advantages to elaborate Mg alloy workpieces. In this study, AZ91D coatings and AZ91D-based composite coatings were deposited using cold spraying. Coatings were prepared using different gas...
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Faranak Barandehfard, James Aluha and François Gitzhofer
Thermal spraying of aluminum nitride (AlN) is a challenging issue because it decomposes at a high temperature. In this work, the use of suspension plasma spray (SPS) technology is proposed for the in situ synthesis and deposition of cubic-structured AlN ...
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Arutiun Ehiasarian, Yashodhan Purandare, Arunprabhu Sugumaran, Papken Hovsepian, Peter Hatto and Jeroen De Backer
The Stationary Shoulder Friction Stir Welding (SS-FSW) technique benefits from reduced heat input, improved mechanical properties and surface finish of the weld, avoiding the need for post weld processing. Coatings on the tool probe and the shoulder for ...
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