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- 2Atomic layer deposition
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Computational investigation of the effect of microstructure on the scratch resistance of tungsten-carbide nickel composite coatings
Download2021-08-15
Parsazadeh, Mohammad, Fisher, Gary, McDonald, André, Hogan, James D.
Sliding wear was simulated for tungsten carbide-nickel (WC-Ni) composites with different WC particle sizes and volume fractions under various normal forces. Johnson-Cook and Johnson-Holmquist models were employed to simulate the mechanical behaviour of the Ni and WC phases, respectively. Using...
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Growth and Characterization of Metastable Hexagonal Nickel Thin Films via Plasma-Enhanced Atomic Layer Deposition
Download2017-07-01
Motamedi, Pouyan, Bosnick, ken, Cui, Kai, Cadien, Ken, Hogan, James D.
There is a great interest in various branches of the advanced materials industry for the development of novel methods (and improvements to existing ones) for the deposition of conformal ultrathin metallic films. In most of these applications, like enhanced solar absorbers and microelectronics,...
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In Situ Synchrotron X-Ray Diffraction Analysis of Phase Transformation in Epitaxial Metastable hcp Nickel Thin Films, Prepared via Plasma-Enhanced Atomic Layer Deposition
Download2018-01-01
Motamedi, Pouyan, Bosnick, Ken, Cadien, Ken, Hogan, James D.
Ultrathin metal films have a wide variety of applications, especially in microelectronics. A key method to deposit these films is plasma-enhanced atomic layer deposition (PEALD), which is known for its ability to deposit thin films conformally and at relatively low temperatures. Building on the...
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Towards optimization of thickness, hardness, and porosity of low-pressure cold sprayed WC-Ni coatings.
Download2021-01-01
Jibran, Wania, Hogan, James D., McDonald, André
In this study, a 33 full factorial design methodology was used to analyze the effects of spray parameters on the thickness, hardness, and surface porosity of low-pressure cold-sprayed WC-17Ni coatings. Three levels were selected for the spray parameters included in the design which were the...