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Qiuwan Shen, Zicheng Shao, Shian Li, Guogang Yang, Jinliang Yuan and Xinxiang Pan
An effective approach for reducing CO2 emissions from marine exhaust is adopting oxyfuel combustion technology. A series of B-site doped BaCo0.8B0.2O3-d (B=Ce, Al, Fe, Cu) perovskites as novel oxygen carrier applications were prepared by the sol-gel meth...
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Dan Fernandes, Song Wang, Qiang Xu, Russel Buss and Daniel Chen
The Allam cycle is the latest advancement in power generation technologies with a high cycle efficiency, zero NOx emission, and carbon dioxide available at pipeline specification for sequestration and utilization. The Allam cycle plant is a semi-closed, ...
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Guangwei Zhang, Deyuan Li, Ning Zhang, Nannan Zhang and Sihua Duan
This paper describes thermal spray techniques for making hard coatings on bushing and sleeve component surfaces. Specifically, plasma-arc welding was used to produce 5-mm thick Co-Cr alloy welding overlays on the bushing, while a high-velocity oxy-fuel s...
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Mingxiang Xie, Yue Lin, Peng Ke, Shuoyu Wang, Shihong Zhang, Zhicheng Zhen and Liangshui Ge
In this work, the Cr3C2-25% NiCr powder was deposited on stainless steel with different combustion pressures and powder feed rates using HVOF technique. The microstructure, porosity, micro-hardness, indentation fracture toughness, adhesion strength, and ...
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Jarkko Metsäjoki, Maria Oksa, Satu Tuurna, Juha Lagerbom, Jouko Virta, Sanni Yli-Olli and Tomi Suhonen
Oxy-fuel combustion combined with CCS (carbon capture and storage) aims to decrease CO2 emissions in energy production using fossil fuels. Oxygen firing changes power plant boiler conditions compared to conventional firing. Higher material temperatures a...
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Maria Oksa, Erja Turunen, Tomi Suhonen, Tommi Varis and Simo-Pekka Hannula
In this work High Velocity Oxy-fuel (HVOF) thermal spray techniques, spraying process optimization, and characterization of coatings are reviewed. Different variants of the technology are described and the main differences in spray conditions in terms of...
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Kenichiro Takeishi and Robert Krewinkel
In the coming carbon-neutral era, industrial gas turbines (GT) will continue to play an important role as energy conversion equipment with high thermal efficiency and as stabilizers of the electric power grid. Because of the transition to a clean fuel, s...
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Jiangbo Peng, Zhen Cao, Xin Yu, Yang Yu, Guang Chang and Zhiqiang Wang
Over recent years, much attention has been paid to the performance evaluation of industrial-type burners. The ignition and stable combustion process are of great significance in assessing the quality of burner. The planar laser-induced fluorescence (PLIF...
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Tianchen Li, Yong Liu, Bin Liu, Wenmin Guo and Liyou Xu
In the present research, the spherical FeCoCrNiMo0.2 high entropy alloy (HEA) powders with a single FCC solid solution structure were prepared by gas atomization. Subsequently, the FeCoCrNiMo0.2 coatings with a different content of oxide inclusions were ...
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Jan Valícek, Marta Harnicárová, Jan Rehor, Milena Ku?nerová, Jaroslava Fulemová, Miroslav Gombár, Ludmila Kucerová, Jan Filipenský and Jan Hnátík
The high-velocity oxy-fuel spraying process was used to investigate and improve the surface properties of a workpiece. The research was focused on the spherical surface of a workpiece made of high-strength steel, a ball and socket assembly. After sprayin...
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Xiang Ding, Du Ke, Chengqing Yuan, Zhangxiong Ding and Xudong Cheng
Conventional, multimodal and nanostructured WC-12Co coatings with different WC sizes and distributions were prepared by high velocity oxy-fuel spray (HVOF). The micrographs and structures of the coatings were analyzed by scanning electron microscope (SEM...
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Sunil Pathak and Gobinda C. Saha
This review article presents the findings of a comprehensive state-of-the-art literature review of the scientific and technological progress of the cold spray process in the field of repair/remanufacturing using the concept of additive manufacturing. A t...
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Kaushal Kumar, Satish Kumar, Gurprit Singh, Jatinder Pal Singh and Jashanpreet Singh
In the present work, erosion wear due to slurry mixture flow has been investigated using a slurry erosion pot tester. Erosion tests are conducted on three different slurry pipe materials, namely, mild steel, SS202, and SS304, to establish the influence o...
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Miroslaw Szala and Tadeusz Hejwowski
This manuscript deals with the cavitation erosion resistance of flame-sprayed Al2O3-40%TiO2/NiMoAl cermet coatings (low-velocity oxy-fuel (LVOF)), a new functional application of cermet coatings. The aim of the study was to investigate the cavitation ero...
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