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Progress on searching optimal thermal spray parameters for magnesium silicide

  • Stony Brook University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

The thermoelectric properties of Mg2Si coatings prepared by Atmospheric Plasma Spray (APS), and Vacuum Plasma Spray (VPS) are presented. Seebeck coefficient results of both APS and VPS have been reported. XRD and SEM analysis of the samples are also presented to understand how microstructure influences the coating thermoelectric properties. The results suggest significant improvements can be made on the reduction of impurity including oxidation and pure silicon by using proper spray method and parameters. Thermal spray has been demonstrated before to be effective way to reduce thermal conductivity which may due to the coating microstructure. VPS result shows higher Seebeck coefficient than APS which may due to lower level of oxidization.

Original languageEnglish
Title of host publicationThermoelectric Materials Research and Device Development for Power Conversion and Refrigeration
Pages173-177
Number of pages5
DOIs
StatePublished - 2013
Event2012 MRS Fall Meeting - Boston, MA, United States
Duration: Nov 25 2012Nov 30 2012

Publication series

NameMaterials Research Society Symposium Proceedings
Volume1490
ISSN (Print)0272-9172

Conference

Conference2012 MRS Fall Meeting
Country/TerritoryUnited States
CityBoston, MA
Period11/25/1211/30/12

Keywords

  • APS
  • MgSi
  • Thermal spray
  • Thermoelectric material
  • VPS

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