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Qiang Tang, Zhibin Hu, Xiaxia Cui, Zechao Tao and Jau Tang
An atmospheric pressure microwave plasma source operating on water vapor has many potential applications. To avoid the corrosion of metal electrodes in a traditional water vapor microwave plasma system, we propose a simple water vapor electrodeless micro...
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Airingas ?uopys, Viktorija Grigaitiene, Liutauras Marcinauskas, Romualdas Ke?elis, Rolandas Uscila and Mindaugas Aikas
In this study, alumina coatings were formed using atmospheric plasma spraying, increasing the torch power from 29.4 to 45.1 kW. The surface morphology of the coatings was determined using scanning electron microscopy; the elemental composition was examin...
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?ydrunas Kavaliauskas, Rolandas Uscila, Romualdas Ke?elis, Vitas Valincius, Viktorija Grigaitiene, Dovile Gim?auskaite and Mindaugas Milie?ka
A transferred arc plasma torch chemical rector was used to process waste formed from mixtures of dry clay powder and hydroquinone. Such reactors are best suited for the treatment of electrically conductive waste. In these types of reactors, the electric ...
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Xiaowei Cai, Zhihe Fu, Huangsheng Xie, Jiaxiang Xue, Duhan Ding, Ning Ou and Gang Zhou
The coaxial cylindrical reactor with a rotary nozzle is proposed to be used as the plasma torch of the plasma cleaning machine. The phase-shifted full bridge series resonance circuit is used as the power circuit topology. Because the voltage source load ...
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Nicholas S. Campbell, Kyle Hanquist, Andrew Morin, Jason Meyers and Iain Boyd
Recent developments in the world of hypersonic flight have brought increased attention to the thermal response of materials exposed to high-enthalpy gases. One promising concept is electron transpiration cooling (ETC) that provides the prospect of a pass...
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Qinghao Shen, Run Huang, Zili Xu and Wei Hua
This study represents a self-consistent three-dimensional (3D) fluid plasma model coupled with Maxwell equations at an intermediate pressure between 1000 and 5000 Pa. The model was established using the finite element method to analyze the effects of tim...
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Pavel Ctibor
Strontium zirconate (SrZrO3) commercial powder was plasma sprayed using a high-feedrate water-stabilized plasma system (WSP) torch. Coatings with a thickness of about 1 mm were produced. Now, we are concentrating on a topic never addressed for pure SrZrO...
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Alla Bespalova,Vladimir Lebedev,Olga Frolenkova,Alexey Knysh,Olga Dashkovskaya,Oksana Fayzulina
Pág. 52 - 57
The martensitic transformation interval of some hypoeutectoid, all eutectoid and all hypereutectoid steels covers to a large extent the region of negative temperatures. Due to the fact that the plasma hardening operation is carried out in workshops where...
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Georg Mauer, Linnan Du and Robert Vaßen
The shortcomings at elevated operation temperatures of the standard material yttria-stabilized zirconia (YSZ) for thermal barrier coatings (TBCs) have initiated many research activities seeking alternatives. One candidate is the pyrochlore lanthanum zirc...
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René Collazo Carceller,César Cisneros Ramírez,Joel Morales Salas,Carlos Lariot Sánchez,Adrián Díaz Romero
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La importancia de mejorar la calidad de vida a personas de la tercera edad, así como a las afectadas por accidentes, hizo que la comunidad científica internacional se volcara a la búsqueda de soluciones en esta dirección. Con la intención de alcanzar mej...
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