Nanostructured SiC by chemical vapor deposition and nanoparticle impaction

Beaber, A. R.; Qi, Lejun; Hafiz, J.; McMurry, Peter H.; Heberlein, J.; Girshick, Steven L.

doi:10.1016/j.surfcoat.2007.05.065

Cited by 11 publications

(6 citation statements)

References 16 publications

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“…For the CVD SiC coating, the atom ratio of the silicon to carbon is close to 1, and the content of carbon is slightly larger than that of silicon, which indicates that the CVD SiC coating is carbon excess. In addition, the existence of some oxygen in the CVD SiC coating shows that the oxidation of silicon occurs during the SiC deposition, as already observed by Beaber et al in CVD SiC films [22].…”

Section: Methodssupporting

confidence: 67%

Dielectric properties of the SiC fiber-reinforced SiC matrix composites with the CVD SiC interphases

Liu

Cheng

Wang

et al. 2010

Journal of Alloys and Compounds

114

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Section: Methodssupporting

confidence: 67%

Dielectric properties of the SiC fiber-reinforced SiC matrix composites with the CVD SiC interphases

Liu

Cheng

Wang

et al. 2010

Journal of Alloys and Compounds

114

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“…In these processes, the dry nanopowders available from different physical and chemical methods (e.g. inert gas condensation [64], chemical vapor deposition [65,66], physical vapor deposition [67] or mechanical alloying [68]) are dispersed into a base fluid [69][70][71][72]. Currently, the two-step approach is the cheaper method for large scale production of nanofluids, since nanopowder synthesis techniques have already been scaled up to industrial production levels.…”

Section: Nanofluid Synthesismentioning

confidence: 99%

A review on the heat and mass transfer phenomena in nanofluid coolants with special focus on automotive applications

Bigdeli

Fasano

Cardellini

et al. 2016

Renewable and Sustainable Energy Reviews

117

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Engineered suspensions of nanosized particles (nanofluids) may be characterized by enhanced thermal properties. Due to the increasing need for ultrahigh performance cooling systems, nanofluids have been recently investigated as next-generation coolants for car radiators. However, the multiscale nature of nanofluids implies nontrivial relations between their design characteristics and the resulting thermo-physical properties, which are far from being fully understood. In this work, the role of fundamental heat and mass transfer mechanisms governing thermo-physical properties of nanofluids is reviewed, both from experimental and theoretical point of view. Particular focus is devoted to highlight the advantages of using nanofluids as coolants for automotive heat exchangers, and a number of design guidelines is reported for balancing thermal conductivity and viscosity enhancement in nanofluids. We hope this review may help further the translation of nanofluid technology from small-scale research laboratories to industrial application in the automotive sector.

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“…Details of the VLS growth process are described elsewhere (Sivakov et al 2006). The Si nanotowers were then coated with nanocrystalline 3C-SiC using hypersonic plasma particle deposition (HPPD) (Beaber et al 2007). HPPD is a thermal plasma based deposition technique that combines nanoparticle ballistic impaction and chemical vapor deposition (CVD).…”

Section: Methodsmentioning

confidence: 99%

Dislocation plasticity and phase transformations in Si-SiC core-shell nanotowers

2010

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Vapor-liquid-solid (VLS) Si nanotowers were coated with nanocrystalline SiC to form a Si-SiC core-shell composite. Due to a mismatch in the coefficients of thermal expansion (CTE), the Si core was under a compressive stress following the deposition. The composite tower was then cross-sectioned using focused ion beam milling, exposing the Si core. Indentation into the Si showed an increased toughness as a function of diameter compared to similar sized Si nanotowers and nanospheres. This result is explained through enhanced dislocation and phase transformation plasticity in the Si core from the CTE compressive stresses.

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Nanostructured SiC by chemical vapor deposition and nanoparticle impaction

Cited by 11 publications

References 16 publications

Dielectric properties of the SiC fiber-reinforced SiC matrix composites with the CVD SiC interphases

Dielectric properties of the SiC fiber-reinforced SiC matrix composites with the CVD SiC interphases

A review on the heat and mass transfer phenomena in nanofluid coolants with special focus on automotive applications

Dislocation plasticity and phase transformations in Si-SiC core-shell nanotowers

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