Atmospheric plasma sprayed forsterite (Mg2ASiO4) coatings : an investigation of the processing-microstructure-performance relationship

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EditorSearch for: Lima, R. S.; Search for: Agarwal, A.; Search for: Hyland, M. M.; Search for: Lau, Y.-C.; Search for: Li, C.-J.; Search for: McDonald, A.; Search for: Toma, F.-L.
Proceedings titleThermal Spray 2012 : Proceedings from the International Spray Conference
ConferenceInternational Thermal Spray 2012 Conference and Exposition (ITSC 2012), 21-24 May 2012, Houston, Texas, USA
Pages384389; # of pages: 6
AbstractEvaluating and understanding the relationship between processing, microstructure and performance of a dielectric coating is essential for its practical usage and reliable application. In this study, the role of the powder feedstock on the properties of atmospheric plasma sprayed forsterite (Mg2SiO4) dielectric coatings was investigated by using different forsterite powder cuts. The microstructural and porosity characteristics of the coatings associated with the spray conditions employed were assessed via scanning electron microscopy (SEM) and image analysis. The phase composition of the coatings was studied via X-ray diffraction and their crystallinity index determined. The electrical insulating characteristics were investigated using the dielectric breakdown test. The obtained electrical properties were correlated with the microstructural characteristics. Ultimately, a performance comparison between forsterite and other dielectric coatings tested in similar conditions is presented.
Publication date
AffiliationNRC Industrial Materials Institute; National Research Council Canada
Peer reviewedYes
NRC number139276
NPARC number21047060
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Record identifier0c7e9f80-69d6-48f6-9d9e-473622323dba
Record created2012-11-28
Record modified2016-05-09
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