CobaltMaghrebV1, Maroc, Analysis, bibRecord, 000241

Analysis of isochronal calorimetric measurements of point defect elimination in a quenched Co48Ga52 intermetallic compound

Identifieur interne : 000241 ( Maroc/Analysis ); précédent : 000240; suivant : 000242

Analysis of isochronal calorimetric measurements of point defect elimination in a quenched Co48Ga52 intermetallic compound

Auteurs : O. Sassi [Maroc] ; J. Aride [Maroc] ; A. Berrada ; G. Moya [France]

Source :

Philosophical magazine letters [ 0950-0839 ] ; 1993.

RBID : Pascal:93-0663203

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Alliage binaire, Gallium Cobalt Alliage, Composé intermétallique, Trempe, Recuit thermique, Calorimétrie différentielle balayage, Densité lacune, Energie activation, Diffusion chimique, Amas lacune.

English descriptors

KwdEn :
- Activation energy, Binary alloy, Chemical diffusion, Differential scanning calorimetry, Experimental study, Gallium Cobalt Alloys, Intermetallic compound, Quenching, Thermal annealing, Vacancy cluster, Vacancy density.

Abstract

In the intermetallic compound Co₄₈Ga₅₂, high vacancy supersaturations have been produced by quenching from 900^oC. Differential scanning calorimetry performed on quenched samples has revealed one annealing stage at about 550^oC. An accurate method for the determination of the activation energy from anisothermal calorimetric data is presented. The results are discussed and it is suggested that the stage observed is due to the annealing out of quenched-in monovacancies by the formation of clusters

Affiliations:

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Pascal:93-0663203

Le document en format XML

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<term>Gallium Cobalt Alloys</term>
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<term>Quenching</term>
<term>Thermal annealing</term>
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<term>Trempe</term>
<term>Recuit thermique</term>
<term>Calorimétrie différentielle balayage</term>
<term>Densité lacune</term>
<term>Energie activation</term>
<term>Diffusion chimique</term>
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<front><div type="abstract" xml:lang="en">In the intermetallic compound Co<sub>48</sub>
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C. Differential scanning calorimetry performed on quenched samples has revealed one annealing stage at about 550<sup>o</sup>
C. An accurate method for the determination of the activation energy from anisothermal calorimetric data is presented. The results are discussed and it is suggested that the stage observed is due to the annealing out of quenched-in monovacancies by the formation of clusters</div>
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Analysis of isochronal calorimetric measurements of point defect elimination in a quenched Co48Ga52 intermetallic compound

Analysis of isochronal calorimetric measurements of point defect elimination in a quenched Co48Ga52 intermetallic compound

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)

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