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Erschienen in: Metal Science and Heat Treatment 7-8/2014

01.11.2014 | Magnesium Alloys

Effect of the Rate of Crystallization Cooling of a Mg – Zr Addition Alloy on the Structure of Magnesium Alloys Containing Rem

verfasst von: A. V. Koltygin, V. D. Belov, V. E. Bazhenov

Erschienen in: Metal Science and Heat Treatment | Ausgabe 7-8/2014

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Abstract

A rapidly cooled Mg – Zr addition alloy is obtained by remelting a commercial L-4 addition alloy and crystallizing the latter at elevated cooling rates. The possible phase transformations are analyzed on the basis of fragments of an equilibrium Mg – Zr phase diagram plotted with the use of the Thermo-Calc software. The process of segregation of zirconium particles in crystallization of the Mg – Zr addition alloy is studied under equilibrium conditions and under cooling at an elevated rate in the crystallization range. The effect of the crystallization cooling rate of the Mg – Zr addition alloy on the structure of magnesium alloy ML10 is determined. The behavior of zirconium introduced with the L-4 addition and with the rapidly cooled tested one in the melt in the production of alloy LM10 is analyzed. The causes of depletion of the melt of zirconium are determined. The more effective action of the tested Mg – Zr addition alloy on the structure of alloy ML10 as compared to commercial L-4 is explained.

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Fußnoten
1
The study under the JEOL JSM6480LV electron microscope was performed at the “Metal Science and Metallurgy” Collective Use Center of the NITU “MISiS.”
 
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Metadaten
Titel
Effect of the Rate of Crystallization Cooling of a Mg – Zr Addition Alloy on the Structure of Magnesium Alloys Containing Rem
verfasst von
A. V. Koltygin
V. D. Belov
V. E. Bazhenov
Publikationsdatum
01.11.2014
Verlag
Springer US
Erschienen in
Metal Science and Heat Treatment / Ausgabe 7-8/2014
Print ISSN: 0026-0673
Elektronische ISSN: 1573-8973
DOI
https://doi.org/10.1007/s11041-014-9766-1

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