Influence of Microstructure on Thermal Properties of Columnar Axial Suspension Plasma Sprayed Thermal Barrier Coatings

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Influence of Microstructure on Thermal Properties of Columnar Axial Suspension Plasma Sprayed Thermal Barrier Coatings

Popis výsledku v původním jazyce

Suspension Plasma Spraying is a relatively new thermal spaying coatings. This technique enables the production of a variety of structures from highly dense, highly porous, segmented or columnar coatings. In this work a comparative study is performed on six different suspension plasma sprayed thermal barrier coatings which were produced using axial injection and different morphology and porosity on thermal properties was of specific interest. Tests carried out include microstructural analysis with SEM, phase analysis using XRD, porosity calculation using Archimedes experimental setup, pore distribution analysis using diffusivity/conductivity analysis.The results showed that columnar and cauliflower type coatings were produced by axial suspension plasmaspraying process. Better performance coatings were produced with relatively higher overall energy input given during spraying.Coatings with higher energy input,lower thickness and wider range of submicron and nanometer sized pores

Název v anglickém jazyce

Influence of Microstructure on Thermal Properties of Columnar Axial Suspension Plasma Sprayed Thermal Barrier Coatings

Popis výsledku anglicky

Suspension Plasma Spraying is a relatively new thermal spaying coatings. This technique enables the production of a variety of structures from highly dense, highly porous, segmented or columnar coatings. In this work a comparative study is performed on six different suspension plasma sprayed thermal barrier coatings which were produced using axial injection and different morphology and porosity on thermal properties was of specific interest. Tests carried out include microstructural analysis with SEM, phase analysis using XRD, porosity calculation using Archimedes experimental setup, pore distribution analysis using diffusivity/conductivity analysis.The results showed that columnar and cauliflower type coatings were produced by axial suspension plasmaspraying process. Better performance coatings were produced with relatively higher overall energy input given during spraying.Coatings with higher energy input,lower thickness and wider range of submicron and nanometer sized pores

Druh

D - Stať ve sborníku

CEP obor

JK - Koroze a povrchové úpravy materiálu

OECD FORD obor

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Projekt

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Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

ITSC 2015: Thermal Spray 2015: Proceedings from the International Thermal Spray Conference

ISBN

978-1-62708-093-4

ISSN

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e-ISSN

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Počet stran výsledku

8

Strana od-do

498-505

Název nakladatele

ASM International

Místo vydání

Russell Township

Místo konání akce

Long Beach, California

Datum konání akce

11. 4. 2015

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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