Segregation in some Nickel‐based hard‐facing alloys prepared by melt‐spinning
Identifieur interne : 000538 ( France/Analysis ); précédent : 000537; suivant : 000539Segregation in some Nickel‐based hard‐facing alloys prepared by melt‐spinning
Auteurs : Sylvaine Hamar-Thibault [France] ; John Ajao [Nigeria] ; Soltane Lebaili [Algérie]Source :
- Surface and Interface Analysis [ 0142-2421 ] ; 1992-06.
Abstract
The segregation of a series of nickel‐based alloys rapidly quenched by melt‐spinning has been investigated in order to understand the distribution of the elements. These alloys have complex composition with metallic (Ni, Cr, W) and non‐metallic elements (C, B, Si). The microstructure of the ribbons obtained by melt‐spinning are examined by transmission electron microscopy and Auger spectometry. Even though the Auger spectra obtained on the two surfaces of the ribbon are generally identical, they differ from each other on the structure in the energy domain covering the Auger peaks of boron, tungsten and carbon. After sputtering the carbon appears with a fine well‐resolved structure towards the low‐energy region with low‐intensity peaks at 260, 252 and 244 eV, as in stable or unstable carbides.
Url:
DOI: 10.1002/sia.7401901116
Affiliations:
- Algérie, France, Nigeria
- Auvergne-Rhône-Alpes, Rhône-Alpes, Wilaya d'Alger
- Alger, Saint Martin d'Hères
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ISTEX:580E68317DCAFE13D0E3D11A1460CC602288EA02Le document en format XML
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Interface Anal.</title><idno type="ISSN">0142-2421</idno><idno type="eISSN">1096-9918</idno><imprint><publisher>John Wiley & Sons Ltd.</publisher><pubPlace>Sussex</pubPlace><date type="published" when="1992-06">1992-06</date><biblScope unit="volume">19</biblScope><biblScope unit="issue">1‐12</biblScope><biblScope unit="page" from="623">623</biblScope><biblScope unit="page" to="626">626</biblScope></imprint><idno type="ISSN">0142-2421</idno></series><idno type="istex">580E68317DCAFE13D0E3D11A1460CC602288EA02</idno><idno type="DOI">10.1002/sia.7401901116</idno><idno type="ArticleID">SIA7401901116</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0142-2421</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The segregation of a series of nickel‐based alloys rapidly quenched by melt‐spinning has been investigated in order to understand the distribution of the elements. These alloys have complex composition with metallic (Ni, Cr, W) and non‐metallic elements (C, B, Si). The microstructure of the ribbons obtained by melt‐spinning are examined by transmission electron microscopy and Auger spectometry. Even though the Auger spectra obtained on the two surfaces of the ribbon are generally identical, they differ from each other on the structure in the energy domain covering the Auger peaks of boron, tungsten and carbon. 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