Effect of High-Temperature Heating on the Structure, Phase Composition, and Properties of Small Stampings Made of a VMD16 Magnesium Alloy

The influence of high-temperature heating to 350°C on the structure, phase composition, and main mechanical properties of small-sized stampings of a VMD16 magnesium alloy is studied. The action of temperature in the range 300–350°C for 1 h is found not to cause marked grain growth and noticeable cha...

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Bibliographic Details
Published in:Russian metallurgy Metally 2021-11, Vol.2021 (11), p.1402-1408
Main Authors: Volkova, E. F., Mostyaev, I. V., Akinina, M. V., Alikhanyan, A. A.
Format: Article
Language:English
Subjects:
Alloying elements
Chemistry and Materials Science
Compressive strength
Grain growth
Heating
High temperature
Magnesium alloys
Magnesium base alloys
Materials Science
Mechanical properties
Metallic Materials
Phase composition
Stampings
Structural stability
Thermal stability
Zirconium
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Summary:The influence of high-temperature heating to 350°C on the structure, phase composition, and main mechanical properties of small-sized stampings of a VMD16 magnesium alloy is studied. The action of temperature in the range 300–350°C for 1 h is found not to cause marked grain growth and noticeable changes in the phase composition of the alloy. A decrease in the strength properties of the stampings during tension and compression is no higher than 5.6–9.0%. It is confirmed that the high thermal stability of the alloy structure elements, the existence of LPSO phases, the favorable morphology of strengthening-phase particles, and the existence of zirconium (active antisolidification agent) conserve the high mechanical properties of the alloy after the action of temperature in the range 300–350°C for 1 h.
ISSN:0036-0295
1555-6255
1531-8648
DOI:10.1134/S0036029521110112