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What advantages does Thixomolding have over traditional die casting in addressing issues related to alloying elements?

What advantages does Thixomolding have over traditional die casting in addressing issues related to alloying elements?

2025-07-30

In traditional die casting, elements in magnesium alloys are prone to various problems:

  • due to differences in density, elements such as Al, Zn, and Mn tend to segregate and deposit at the bottom of the crucible
  • elements like Ca and Sr are susceptible to oxidation, forming slag on the surface of the molten bath
  • elements such as Zn have a high vapor pressure (about 100 mbar at 700 °C), leading to continuous loss due to evaporation

These issues require frequent adjustment of the alloy composition by foundry workers. In contrast, Thixomolding avoids these problems through its closed processing system, small melt volume, and intensive mixing by the screw during transportation. As a result, there is no need for frequent adjustment of the alloy composition, ensuring stability in the nominal composition of the alloy.

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Blog Details
Created with Pixso. Home Created with Pixso. Blog Created with Pixso.

What advantages does Thixomolding have over traditional die casting in addressing issues related to alloying elements?

What advantages does Thixomolding have over traditional die casting in addressing issues related to alloying elements?

2025-07-30

In traditional die casting, elements in magnesium alloys are prone to various problems:

  • due to differences in density, elements such as Al, Zn, and Mn tend to segregate and deposit at the bottom of the crucible
  • elements like Ca and Sr are susceptible to oxidation, forming slag on the surface of the molten bath
  • elements such as Zn have a high vapor pressure (about 100 mbar at 700 °C), leading to continuous loss due to evaporation

These issues require frequent adjustment of the alloy composition by foundry workers. In contrast, Thixomolding avoids these problems through its closed processing system, small melt volume, and intensive mixing by the screw during transportation. As a result, there is no need for frequent adjustment of the alloy composition, ensuring stability in the nominal composition of the alloy.