NickelMaghrebV1, France, Analysis, bibRecord, 000287

Metallurgical characterization and determination of residual stresses of coatings formed by thermal spraying

Identifieur interne : 000287 ( France/Analysis ); précédent : 000286; suivant : 000288

Metallurgical characterization and determination of residual stresses of coatings formed by thermal spraying

Auteurs : M. Laribi [Algérie] ; A. B. Vannes [France] ; N. Mesrati [Algérie] ; D. Treheux [France]

Source :

Journal of thermal spray technology [ 1059-9630 ] ; 2003.

RBID : Pascal:03-0524816

Descripteurs français

Pascal (Inist)
- Dépôt projection, Projection à chaud, Propriété mécanique, Microstructure, Contrainte résiduelle, Adhérence, Interface, Extensométrie, Etude expérimentale, Analyse contrainte, Contrainte thermique, Traitement surface.

English descriptors

KwdEn :
- Adhesion, Experimental study, Extensometry, Hot spraying, Interface, Mechanical properties, Microstructure, Residual stress, Spray coating.

Abstract

This work presents an experimental determination of residual stresses in 35CrMo4 (Euronorm) low alloyed steel substrates with thermally sprayed coatings. Two different materials were separately deposited. The first one consisted of a blend of two superalloys: Cr-Ni steel and Cr-Mn steel, designated 55E and 65E, respectively. The second material was molybdenum. In a first part, basic characteristics of the deposited layers (metallographic analysis, hardness, and adhesion) are presented. In a second part, the determination of the residual stresses, in both substrate and thermal sprayed layers is performed using an extensometric method in combination with a simultaneous progressive electrolytic polishing. The influence of a nickel-aluminum (80:20%) bond-coat and/or a post-annealing at 850 °C in air for 1 h is studied.

Affiliations:

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000365
to stream PascalFrancis, to step Curation: 000076
to stream PascalFrancis, to step Checkpoint: 000366
to stream Main, to step Merge: 000984
to stream Main, to step Curation: 000961
to stream Main, to step Exploration: 000961
to stream France, to step Extraction: 000287

Links to Exploration step

Pascal:03-0524816

Le document en format XML

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<term>Mechanical properties</term>
<term>Microstructure</term>
<term>Residual stress</term>
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<term>Propriété mécanique</term>
<term>Microstructure</term>
<term>Contrainte résiduelle</term>
<term>Adhérence</term>
<term>Interface</term>
<term>Extensométrie</term>
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<front><div type="abstract" xml:lang="en">This work presents an experimental determination of residual stresses in 35CrMo4 (Euronorm) low alloyed steel substrates with thermally sprayed coatings. Two different materials were separately deposited. The first one consisted of a blend of two superalloys: Cr-Ni steel and Cr-Mn steel, designated 55E and 65E, respectively. The second material was molybdenum. In a first part, basic characteristics of the deposited layers (metallographic analysis, hardness, and adhesion) are presented. In a second part, the determination of the residual stresses, in both substrate and thermal sprayed layers is performed using an extensometric method in combination with a simultaneous progressive electrolytic polishing. The influence of a nickel-aluminum (80:20%) bond-coat and/or a post-annealing at 850 °C in air for 1 h is studied.</div>
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Metallurgical characterization and determination of residual stresses of coatings formed by thermal spraying

Metallurgical characterization and determination of residual stresses of coatings formed by thermal spraying

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri