1979
DOI: 10.1007/bf01909642
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Etalonnage calorimetrique d'un microanalyseur thermique differentiel entre — 180 et 950 ‡C. application a la determination experimentale de l'enthalpie des transformations structurales α′→γ et γ→α′ dans les alliages fer-nickel

Abstract: Thermal effects of the ~' --+ )) structure transformation during heating and that of --~ ~' during cooling (martensitic transformation) were determined in a series of highpurity iron-nickel alloys containing 20--31 per cent nickel with a differential thermal microanalyzer used as microcalorimeter.The calorimetric calibration of the DTA apparatus was carried out in the range from --180 ~ up to 950 ~ on the basis of solid-solid or solid-liquid phase transformations of 18 mineral or organic compounds selected as … Show more

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Cited by 10 publications
(3 citation statements)
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“…La grande difficult6 d'obtention de la phase ~' dans le microcalorimhtre "Arion" nous a incit6s 5, utiliser comme l'indiquent Harmelin et coll. [8], le microanalyseur "B.D.L." pour des essais quantitatifs.…”
Section: Calorimdtrieunclassified
“…La grande difficult6 d'obtention de la phase ~' dans le microcalorimhtre "Arion" nous a incit6s 5, utiliser comme l'indiquent Harmelin et coll. [8], le microanalyseur "B.D.L." pour des essais quantitatifs.…”
Section: Calorimdtrieunclassified
“…18-8. Differential thermal analysis (DTA) was performed using a SETARAM M4 apparatus ( 1 ) and differential scanning calorimetry (DSC) using a PERKIN-ELMER DSC-2C with a 3500 data station. Samples were cooled at 5 ~.min-1 in a purified argon atmosphere (NS > room temperature) or in a helium atmosphere (Ms < room temperature).…”
mentioning
confidence: 99%
“…Nous travaillons avec le rayonnement Ka du cuivre et la distance échantillon-récepteur est de 13 cm. La longueur utile du détecteur à localisation est de 50 mm et le codage de l'information se fait sur 256 canaux, ce qui revient à dire que l'on a une information toutes les 5 [Scheme of the -small-angle X-ray device.] Fig.…”
unclassified