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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Veröffentlicht in: | Russian metallurgy Metally 2021-11, Vol.2021 (11), p.1402-1408 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | 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. |
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ISSN: | 0036-0295 1555-6255 1531-8648 |
DOI: | 10.1134/S0036029521110112 |