Method for removing iron contained in silicon-aluminum alloy

A technology of silicon-aluminum alloy and iron content, applied in the field of iron removal in silicon-aluminum alloy, can solve problems such as unsatisfactory effect, and achieve the effects of improved performance, increased elongation, and increased tensile strength

Inactive Publication Date: 2015-03-04
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AI-Extracted Technical Summary

Problems solved by technology

At present, in order to remove iron in silicon-aluminum alloy, the treatment method of adding manganese ...
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The invention relates to a method for removing iron contained in a silicon-aluminum alloy. The method is characterized by comprising the following steps of: firstly carrying out melting dehydration on manganese chloride, and then carrying out cooling crystallization; then selecting the dehydrated and crystallized manganese chloride according to the weight ratio of 1.8-2 times of the ion content of a smelted silicon-aluminum alloy, placing into a closed bell jar, pressing into silicon-aluminum alloy melting liquid during smelting, slowly stirring, and heating till no bubble is formed. The treated silicon-aluminum alloy is obviously improved in property, enhanced in tensile strength by 5%-15%, enhanced in elongation percentage by more than 10% and convenient to operate.

Technology Topic

Aluminium alloyChloride +4


  • Experimental program(1)

Example Embodiment

[0006] First, the manganese chloride is melted and dehydrated, cooled and crystallized, and then the dehydrated and crystallized manganese chloride is selected according to the weight ratio of 1.8 times the iron content in the smelting silicon-aluminum alloy, placed in a closed bell jar, and pressed into the smelting silicon-aluminum alloy. In the alloy melt, stir slowly until no bubbles emerge and stop heating.


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Description & Claims & Application Information

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Classification and recommendation of technical efficacy words

  • improve performance
  • high tensile strength
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