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Rizwan Ahmed, Rahisham Abd Rahman, Adel S. Aldosary, Baqer Al-Ramadan, Rahmat Ullah and Arshad Jamal
This paper investigates C4H2F6, a promising environmentally friendly insulating gas that possesses high dielectric strength and a low global warming potential. The study focuses on examining the insulation properties of C4H2F6 when combined with CO2/N2, ...
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María del Carmen Marco de Lucas, Franck Torrent, Gianni-Paolo Pillon, Pascal Berger and Luc Lavisse
Surface laser treatment (SLT) using nanosecond IR lasers has been shown to improve the tribological behaviour of titanium. Here, we studied the fretting wear of SLT-functionalized pure titanium in a mixture of reactive gases O2" role="presentation" style...
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Gregory Hallewell, John Dingley, Martin Doubek, Robin Feuillassier, Sergey Katunin, Koichi Nagai, David Robinson, Alexandre Rozanov, David Williams and Vaclav Vacek
We have developed ultrasonic instrumentation for simultaneous flow and composition measurement in a variety of gas mixtures. Flow and composition are respectively derived from measurements of the difference and average of sound transit times in opposite ...
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Alessio Fuoco, Marcello Monteleone, Elisa Esposito, Rosaria Bruno, Jesús Ferrando-Soria, Emilio Pardo, Donatella Armentano and Johannes Carolus Jansen
The most widely used method to measure the transport properties of dense polymeric membranes is the time lag method in a constant volume/pressure increase instrument. Although simple and quick, this method provides only relatively superficial, averaged d...
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Hieronim Szymanowski, Katarzyna Olesko, Jacek Kowalski, Mateusz Fijalkowski, Maciej Gazicki-Lipman and Anna Sobczyk-Guzenda
In this work, optical coatings with a gradient of the refractive index are described. Its aim was to deposit, using the RF PECVD method, films of variable composition (ranging from silicon carbon-oxide to silicon carbon-nitride) for a smooth change of th...
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Elena Alexandra Serban, Aditya Prabaswara, Justinas Palisaitis, Per Ola Åke Persson, Lars Hultman, Jens Birch and Ching-Lien Hsiao
Selective-area grown, catalyst-free GaN nanorod (NR) arrays grown on Si substrates have been realized using liquid-target reactive magnetron sputter epitaxy (MSE). Focused ion beam lithography (FIBL) was applied to pattern Si substrates with TiNx masks. ...
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Adrian Wei-Yee Tan, Jun Yan Lek, Wen Sun, Ayan Bhowmik, Iulian Marinescu, Xu Song, Wei Zhai, Feng Li, Zhili Dong, Chris B. Boothroyd and Erjia Liu
Cold-spraying is a relatively new low-temperature coating technology which produces coatings by the deposition of metallic micro-particles at supersonic speed onto target substrate surfaces. This technology has the potential to enhance or restore damaged...
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Peng Wang, Fenglan Zhao, Jirui Hou, Guoyong Lu, Meng Zhang and Zhixing Wang
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Tomá? Brestovic, Mária Carnogurská, Miroslav Príhoda, Peter Lukác, Marián Lázár, Natália Jasminská and Romana Dobáková
The present article describes the diagnostics of a compressor that is compressing a mixture of H2 and N2 on the basis of the results that were obtained by operational measurements of the flow rates and temperatures at selected compressor sites, as well a...
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Anna Zaman and Efstathios I. Meletis
Reactive magnetron sputtering was used to deposit tantalum nitride (Ta?N) thin films on Si substrate. The effect of varying the N2 percentage in the N2/Ar gas mixture on the Ta?N film characteristics was investigated. Mechanical and tribological properti...
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