Al-Mg-Mn alloy containing rare earth elements Ce and Y, and preparation method thereof

A rare earth element and alloy technology, applied in the field of Al-Mg-Mn alloy and its preparation, can solve the problems of unsatisfactory alloy properties and achieve excellent performance

Inactive Publication Date: 2015-12-23
熊绍红
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The preparation process of the alloy has a significant impact on the properties of the alloy, and when the current technology is used to prepare the alloy, the properties of the obtained alloy are not satisfactory

Method used

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  • Al-Mg-Mn alloy containing rare earth elements Ce and Y, and preparation method thereof
  • Al-Mg-Mn alloy containing rare earth elements Ce and Y, and preparation method thereof

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Embodiment Construction

[0018] The molten materials are industrial aluminum ingots and high-purity magnesium, and Ce, Y, and Mn elements are added in the form of Al-Mn, Al-Y, and Al-Ce master alloys. The smelting uses an electric resistance furnace, which is a graphite crucible. First, put the weighed industrial pure aluminum and covering agent (NaCI, KCI) into the electric resistance furnace, melt at a temperature of 800°C, and then turn on the furnace and cool down to 600°C , Press the magnesium block with a titanium cover (magnesium has a low melting point and is not flammable when pressed), and then add the master alloy when the temperature rises to 740 ° C, stir evenly during the smelting process, and add hexachloroethane for refining and degassing. Finally, let it stand for 6 minutes, and pour it after removing the slag.

[0019]

[0020] The following items should be paid attention to when smelting:

[0021] (l) Before smelting, the raw materials should be heated to remove moisture, and th...

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Abstract

The invention discloses a Al-Mg-Mn alloy containing rare earth elements Ce and Y. The Al-Mg-Mn alloy contains 5.5 mass% of Mg, 10 mass% of Mn, 0.3 mass% of Ce and 0.5 mass% of Y. The invention also discloses a preparation method of the alloy. The method is characterized in that Ce, Y and Mn elements are respectively added in Al-Mn, Al-Y and Al-Ce intermediate alloy forms, melting is carried out by adopting a crucible electric resistance furnace, the above crucible is a graphite crucible, and the method comprises the following steps: adding weighed industrial pure aluminum and a covering agent to the resistance furnace, melting at 800DEG C, carrying out furnace opening cooling to 600DEG C, pressing a magnesium block by using a titanium cover, heating to 740DEG C, adding the intermediate alloys, uniformly stirring in the melting process, adding hexachloroethane, refining to remove gases, standing for 6min, removing slag, and casting.

Description

technical field [0001] The invention relates to an Al-Mg-Mn alloy containing rare earth elements Ce and Y and a preparation method thereof. Background technique [0002] Aluminum alloy is a relatively young metal material, which only began to be used industrially in the early 20th century. During World War II, aluminum was mainly used in the manufacture of military aircraft. After the war, due to the sharp decrease in the demand for aluminum in the military industry, the aluminum industry began to develop civilian aluminum alloys, expanding its application scope from the aviation industry to the construction industry, container packaging industry, transportation industry, electric power and electronics industry, Various sectors of the national economy such as machinery manufacturing and petrochemicals are applied to people's daily lives. At present, aluminum is used in a large amount and in a wide range, second only to steel, and has become the second largest metal materia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C21/06C22C1/03C22C1/06
Inventor 熊绍红
Owner 熊绍红
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