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It is necessary to study the effects of all variables surrounding the preparation of magnesium due to its oxidative nature. This includes examining various cover gases during melting and casting. To minimize oxidation, the ability of different cover gases such as pure argon (Ar), Ar+R-134a, and Ar+R-1234yf refrigerants were tested on pure magnesium samples. The surfaces of the samples produced using different cover gases were examined using optical and scanning electron microscopy. EDS elemental analysis was conducted to obtain the composition of each sample surface. Oxidation was most effectively minimized under argon with refrigerant (R-134a or R-1234yf) cover gas combinations.

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Effects of Cover Gases on the Oxidation of Magnesium Alloys

  • 会议论文

  • 发表日期：

    2025年

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  • D. Humeniuc,
  • S. Kotiadis,
  • A. Elsayed

摘要

It is necessary to study the effects of all variables surrounding the preparation of magnesium due to its oxidative nature. This includes examining various cover gases during melting and casting. To minimize oxidation, the ability of different cover gases such as pure argon (Ar), Ar+R-134a, and Ar+R-1234yf refrigerants were tested on pure magnesium samples. The surfaces of the samples produced using different cover gases were examined using optical and scanning electron microscopy. EDS elemental analysis was conducted to obtain the composition of each sample surface. Oxidation was most effectively minimized under argon with refrigerant (R-134a or R-1234yf) cover gas combinations.