SnO2 coated Ni particles prepared by fluidized bed chemical vapor deposition

Bertrand, Nathalie; Maury, F.; Duverneuil, P.

doi:10.1016/j.surfcoat.2005.10.009

Cited by 12 publications

(2 citation statements)

References 21 publications

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“…LeRoy [11,12] studied the electro winning of copper metal ions present in the dilute solution using fluidized bed electrode and proposed a model for electro winning. Bertrand et al [13] developed a particle growth mechanism for tin oxide films on Ni particles in Fluidized Bed.…”

Section: Fluidized Bed Electrodementioning

confidence: 99%

Modeling electrowinning process in an expanded bed electrode

Thilakavathi

Balasubramanian

Basha

2009

Journal of Hazardous Materials

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Section: Fluidized Bed Electrodementioning

confidence: 99%

Modeling electrowinning process in an expanded bed electrode

Thilakavathi

Balasubramanian

Basha

2009

Journal of Hazardous Materials

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“…Recently, many studies have reported the effect of FBCVD process parameters on the quality of inorganic oxide deposition and related performance. Complete FBCVD experimental investigations were conducted to study the effect of the deposition time and the precursor's mole fraction on SnO 2 deposition with large hollow Ni particles [17]. To improve SiO 2 layer deposition using FBCVD, the effects of the deposition time and injection mode of SiH 4 on the deposition process were examined [18].…”

Section: Introductionmentioning

confidence: 99%

Mechanism and Effect of the Dilution Gas Flow Rate on Various Fe–Si/SiO2 Soft Magnetic Composites during Fluidised Bed Chemical Vapour Deposition

Gao

Zhao

et al. 2021

Crystals

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The effect of the dilution gas flow rate on inorganic oxide insulating layers can improve fluidised bed chemical vapour deposition (FBCVD) in Fe–Si/inorganic-oxide soft magnetic composites and obtain excellent magnetic properties. Herein, Fe–Si/SiO2 composite particles coated via FBCVD and deposited at a 125–350 mL/min Ar-dilution gas flow rate were prepared and sintered into soft magnetic composites. Results demonstrate that SiO2 deposited on the Fe–Si substrate particle surface changed from submicron SiO2 clusters (125 mL/min) to an incomplete SiO2 film, then to a complete SiO2 film, and finally to a porous SiO2 film as the Ar-dilution gas flow rate increased. SiO2 layers began to transform from the amorphous to the beta-cristobalite state with a hexagonal crystal structure between 1149.45 K and 1280.75 K. However, the SiO2 amorphous layers’ crystallisation did not affect the Fe–Si substrate particles’ crystal structure. With the increasing Ar-dilution gas flow rate, the saturation magnetisation of Fe–Si/SiO2 soft magnetic composites initially decreased and then increased. The electrical resistivity increased before 150 mL/min, followed by an increase between 150 and 250 mL/min and then decreased, whereas the total core loss exhibited the opposite trend. These results show that magnetic performance can be promoted by selecting a suitable dilution flow rate.

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