An Integrated Study of Thermal Spray Process-Structure-Property Correlations: A Case Study for Plasma Sprayed Molybdenum Coatings

Kód výsledku v IS VaVaI

RIV/68407700:21340/05:00144227 - isvavai.cz

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

An Integrated Study of Thermal Spray Process-Structure-Property Correlations: A Case Study for Plasma Sprayed Molybdenum Coatings

Popis výsledku v původním jazyce

The particle-jet interaction, particle impact and the particle-substrate interaction during coating deposition was investigated. Commercial grade spherical molybdenum (Mo) powder was plasma sprayed and the spray stream was characterized for resulting particle state. A 'splat map' was deposited capture the fingerprint of the plume cross-section. Subsequently, coatings were deposited at selected spray conditions on an 'in situ' curvature measurement instrument to measure coating residual stresses and to coating modulus. Splats and coatings were characterized by microdiffraction, nano and microindentation for elasto-plastic properties and by electron microscopy. Subsequent splat and coating characterization provides insight into the correlation between processing parameters, resultant particle states and final coating properties. The role of particle temperature and velocity on the splat morphology and residual stress is explained in the results.

Název v anglickém jazyce

An Integrated Study of Thermal Spray Process-Structure-Property Correlations: A Case Study for Plasma Sprayed Molybdenum Coatings

Popis výsledku anglicky

The particle-jet interaction, particle impact and the particle-substrate interaction during coating deposition was investigated. Commercial grade spherical molybdenum (Mo) powder was plasma sprayed and the spray stream was characterized for resulting particle state. A 'splat map' was deposited capture the fingerprint of the plume cross-section. Subsequently, coatings were deposited at selected spray conditions on an 'in situ' curvature measurement instrument to measure coating residual stresses and to coating modulus. Splats and coatings were characterized by microdiffraction, nano and microindentation for elasto-plastic properties and by electron microscopy. Subsequent splat and coating characterization provides insight into the correlation between processing parameters, resultant particle states and final coating properties. The role of particle temperature and velocity on the splat morphology and residual stress is explained in the results.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

JG - Hutnictví, kovové materiály

OECD FORD obor

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Projekt

GA106/01/0094: Procesy porušování termicky nanášených materiálů

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2005

Kód důvěrnosti údajů

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

Název periodika

Materials Science and Engineering A - Structural Materials: Properties, Microstructure and Processing

ISSN

0921-5093

e-ISSN

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Svazek periodika

403

Číslo periodika v rámci svazku

1-2

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

14

Strana od-do

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Kód UT WoS článku

000231694900025

EID výsledku v databázi Scopus

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