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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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Savisha Mahalingam, Salmi Mohd Yunus, Abreeza Manap, Nurfanizan Mohd Afandi, Rabiatul A. Zainuddin and Nurul F. Kadir
Thick thermal barrier coatings (TBCs) are the main choice in the aviation industry due to their ability to handle elevated temperature exposure in turbines. However, the efficacy of thick TBCs has not been adequate. This study presents a highly durable, ...
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Yuquan Zhang, Sheng Hong, Jinran Lin and Yuan Zheng
The corrosion behavior of unsealed and sealed high-velocity oxygen-fuel (HVOF)-sprayed nanostructured WC-CoCr cermet coatings under different corrosive environments was investigated using scanning electron microscopy (SEM), open circuit potential (OCP), ...
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Thomas Lindner, Pia Kutschmann, Martin Löbel and Thomas Lampke
Austenitic stainless steel exhibits an excellent corrosion behavior. The relatively poor wear resistance can be improved by surface hardening, whereby thermochemical processes offer an economic option. The successful diffusion enrichment of bulk material...
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Núria Cinca, Slawomir Cygan, Cezary Senderowski, Lucyna Jaworska, Sergi Dosta, Irene G. Cano and Josep M. Guilemany
The medium and high temperature tribological behavior of different iron aluminide thermal spray coatings was investigated. Several powders synthesized through different routes (ball milling, self-decomposition, and self-propagating high-temperature sinte...
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Pimin Zhang, Ru Lin Peng, Xin-Hai Li and Sten Johansson
MCrAlX (M: Ni or Co or both, X: minor elements) coatings have been used widely to protect hot components in gas turbines against oxidation and heat corrosion at high temperatures. Understanding the influence of the X-elements on oxidation behavior is imp...
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Liping Xu, Jinbing Song, Xiaofeng Zhang, Changguang Deng, Min Liu and Kesong Zhou
There is an urgent need to improve the corrosion resistance of WC-based cermet coatings in different corrosive environments. The main objective of this work was to investigate the microstructure and evaluate the corrosion resistance in neutral, acidic, a...
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Emine Bakan, Georg Mauer, Yoo Jung Sohn, Dietmar Koch and Robert Vaßen
From the literature, it is known that due to their glass formation tendency, it is not possible to deposit fully-crystalline silicate coatings when the conventional atmospheric plasma spraying (APS) process is employed. In APS, rapid quenching of the spr...
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Martin Löbel, Thomas Lindner, Thomas Mehner and Thomas Lampke
The investigation of high-entropy alloys (HEAs) has revealed many promising properties. HEAs with a high share of Al and Ti are suitable for the formation of lightweight materials. Investigations of the alloy system AlCoCrFeNiTi showed high strength, har...
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Haihua Yao, Zheng Zhou, Liang Wang, Zhen Tan, Dingyong He and Lidong Zhao
To protect aluminum parts in vehicle engines, metal-based thermal barrier coatings in the form of Fe59Cr12Nb5B20Si4 amorphous coatings were prepared by high velocity oxygen fuel (HVOF) spraying under two different conditions. The microstructure, thermal ...
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