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Liquid-phase spinodal decomposition type magnesium alloy for casting and processing technology thereof

A technology of amplitude modulation decomposition and processing technology, which is applied in the field of alloys to achieve beneficial physical and mechanical properties, high density, and excellent recycling performance

Inactive Publication Date: 2018-11-16
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But unfortunately, there are no new products based on this design concept in the field of magnesium alloys at home and abroad.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A magnesium alloy for liquid phase amplitude modulation decomposition casting and its processing technology. In terms of weight percentage, the composition of the alloy is Na:1.2wt.%, Sb:3.0wt.%, In:6.0wt.%, Bi:4.0wt.%, Zn:4.0wt.%, Co:1.0wt.% , Fe: 0.4wt.%, Cr: 0.3wt.%, and the balance is magnesium. The above-mentioned magnesium alloy for liquid-phase amplitude modulation decomposition type casting and its processing technology include the following steps: adding the raw materials in the above ratio into an induction furnace under an argon environment, and using a graphite crucible; Minutes, stir evenly by high-frequency induction furnace electromagnetically; after stirring evenly, keep warm at 700 degrees for 1 minute and cast out of the furnace; alloy casting uses a steel mold with a diameter of 20-30mm, and uses water cooling to cool down. Heat the obtained ingot to 650-700 degrees under the protection of argon and keep it warm for 10 minutes; then pour the melt int...

Embodiment 2

[0021] A magnesium alloy for liquid phase amplitude modulation decomposition casting and its processing technology. In terms of weight percentage, the composition of the alloy is Na: 1.5wt.%, Sb: 4.0wt.%, In: 10.0wt.%, Bi: 5.0wt.%, Zn: 6.0wt.%, Co: 1.2wt.% , Fe: 0.8wt.%, Cr: 0.5wt.%, and the balance is magnesium. The above-mentioned magnesium alloy for liquid-phase amplitude modulation decomposition type casting and its processing technology include the following steps: adding the raw materials in the above ratio into an induction furnace under an argon environment, and using a graphite crucible; Minutes, stir evenly by high-frequency induction furnace electromagnetically; after stirring evenly, keep warm at 700 degrees for 1 minute and cast out of the furnace; alloy casting uses a steel mold with a diameter of 20-30mm, and uses water cooling to cool down. Heat the obtained ingot to 650-700 degrees under the protection of argon and keep it warm for 10 minutes; then pour the m...

Embodiment 3

[0024] A magnesium alloy for liquid phase amplitude modulation decomposition casting and its processing technology. In terms of weight percentage, the composition of the alloy is Na:1.3wt.%, Sb:3.5wt.%, In:6.8wt.%, Bi:4.2wt.%, Zn:4.5wt.%, Co:1.1wt.%. , Fe: 0.6wt.%, Cr: 0.4wt.%, and the balance is magnesium. The above-mentioned magnesium alloy for liquid-phase amplitude modulation decomposition type casting and its processing technology include the following steps: adding the raw materials in the above ratio into an induction furnace under an argon environment, and using a graphite crucible; Minutes, stir evenly by high-frequency induction furnace electromagnetically; after stirring evenly, keep warm at 700 degrees for 1 minute and cast out of the furnace; alloy casting uses a steel mold with a diameter of 20-30mm, and uses water cooling to cool down. Heat the obtained ingot to 650-700 degrees under the protection of argon and keep it warm for 10 minutes; then pour the melt in...

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PUM

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Abstract

The invention discloses a liquid-phase spinodal decomposition type magnesium alloy for casting and a processing technology thereof. The alloy comprises, by weight, 1.2-1.5% of Na, 3.0-4.0% of Sb, 6.0-10.0% of In, 4.0-5.0% of Bi, 4.0-6.0% of Zn, 1.0-1.2% of Co, 0.4-0.8% of Fe, 0.3-0.5% of Cr and the balance magnesium. The magnesium alloy can not only effectively eliminate casting defects, reduce the formation of casting holes and porosity, but also make the alloy castings have excellent mechanical properties. Therefore, the material provides a lightweight alternative to magnesium alloys, and effectively promotes the renewal and industrial upgrading of new materials in China in the process of implementation and industrialization.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a magnesium alloy. Background technique [0002] Magnesium is one of the most abundant light metal elements on the earth, and it can be described as inexhaustible. Magnesium alloy is an alloy composed of magnesium and other elements. Its characteristics are: low density, high specific strength, large elastic modulus, good shock absorption, greater impact load capacity than aluminum alloy, and good corrosion resistance. The specific gravity of magnesium alloy is the lightest among all structural alloys. The specific strength of magnesium alloy is obviously higher than that of aluminum alloy and steel, and the specific stiffness is equivalent to that of aluminum alloy and steel. In the elastic range, when the magnesium alloy is subjected to an impact load, the energy absorbed is greater than that of the aluminum alloy, so the magnesium alloy has good shock resistance and noise red...

Claims

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Application Information

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IPC IPC(8): C22C23/00C22C1/02C22F1/02C22F1/06
CPCC22C1/02C22C23/00C22F1/02C22F1/06
Inventor 杨长江
Owner GUANGZHOU YUZHI TECH CO LTD
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