Untitled. (English)
In: Eastern-European Journal of Enterprise Technologies, Jg. 2 (2014-03-01), Heft 1, S. 37-41
academicJournal
Zugriff:
The influence of rare-earth elements (Sc, Nd, Y) on the structurization, mechanical properties and heat resistance of a widely used magnesium alloy ML5 was studied. The role of intermetallic phases, formed by doping rare-earth metals of magnesium alloy ML5 was shown. The dependence of the morphology and topology of these phases on the chemical composition of magnesium alloys and their influence on the metal structure and properties was determined. It was shown that alloying of magnesium alloys Sc, Nd and Y reduces the intermetallic phase. It was found that spherical intermetallides of smaller-sized groups had a greater impact on improving the mechanical properties of magnesium alloys, and heat resistance of the alloy was determined by the number of a heat-resistant intermetallic phase. It was found that the ultimate strength of alloy ML5 raises with increasing the content of rare-earth elements up to 1,0 %, and the ductility increases only when the content of elements is in the range of 0,05...0,1 %. Applying rare-earth metals, when smelting magnesium alloy ML5 provides an increased level of mechanical properties and heat resistance of castings, which makes it promising in the development of new machines and units. [ABSTRACT FROM AUTHOR]
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Untitled. (English)
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Zeitschrift: | Eastern-European Journal of Enterprise Technologies, Jg. 2 (2014-03-01), Heft 1, S. 37-41 |
Veröffentlichung: | 2014 |
Medientyp: | academicJournal |
ISSN: | 1729-3774 (print) |
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