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Hal
Article . 1975
Data sources: Hal
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Le Journal de Physique Colloques
Article . 1975 . Peer-reviewed
Data sources: Crossref
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CORROSION INTERGRANULAIRE.SUR LE MÉCANISME DE LA CORROSION INTERGRANULAIRE DES MATÉRIAUX MÉTALLIQUES

Authors: Froment, Michel;

CORROSION INTERGRANULAIRE.SUR LE MÉCANISME DE LA CORROSION INTERGRANULAIRE DES MATÉRIAUX MÉTALLIQUES

Abstract

L'article est consacré à l'étude des phénomènes de corrosion intergranulaire présentés par les métaux et alliages exempts de toute précipitation intergranulaire. On s'efforce de relier l'attaque intergranulaire à un certain nombre de données importantes concernant les joints de grains : énergie, structure cristallographique, ségrégation d'impuretés... On étudie l'influence de l'énergie et de la structure cristallographique à l'aide de séries de bicristaux d'aluminium et d'aciers inoxydables présentant des joints de flexion d'axes et . La microscopie électronique à balayage permet d'obtenir des données quantitatives sur l'attaque intergranulaire. On présente également des résultats concernant les phénomènes de ségrégation dans le cas d'échantillons polycristallins de nickel et d'aciers au chrome-nickel ayant diverses teneurs en carbone et en silicium. On propose un mécanisme d'attaque intergranulaire tenant compte des courants de dissolution de la matrice et des joints de grains. Ce mécanisme explique la formation de sillons d'attaque présentant des caractéristiques géométriques bien définies.

Country
France
Keywords

[PHYS.HIST] Physics [physics]/Physics archives, [PHYS.PHYS.PHYS-CHEM-PH] Physics [physics]/Physics [physics]/Chemical Physics [physics.chem-ph]

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    popularity
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
13
Average
Top 10%
Average
Green
bronze