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Magnesium alloy using liquid metal for flame retardance and used for casing and processing technique

A technology of liquid metal and processing technology, applied in the field of alloys, to achieve the effects of less casting holes and porosity, light weight and safety, and high yield

Inactive Publication Date: 2018-12-18
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, it is also possible to play a positive role in flame retardancy by applying flame-retardant coating technology on the surface of magnesium alloys, but it cannot fundamentally solve the burning problem of magnesium alloys.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The invention discloses a magnesium alloy for casting which utilizes liquid metal to flame-retard and its processing technology. In terms of weight percentage, the composition of the alloy is In: 1.0wt.%, Sn: 3.0wt.%, Bi: 2.5wt.%, Ti: 0.4wt.%, Al: 5.0wt.%, Cu: 2.0wt.% , Si: 1.8wt.%, Mn: 0.2wt.%, and the balance is magnesium. The above-mentioned magnesium alloy for casting using liquid metal flame retardancy and its processing technology include the following steps: adding the above-mentioned raw materials into an induction furnace protected by argon gas, and using a silicon carbide crucible. Induction heating to 800 degrees to form an alloy melt, and use the electromagnetic stirring effect to fully stir for about 15 minutes. The alloy melt is kept at 800°C for 15 minutes and then cast into a water glass or graphite mold for casting. The obtained ingot is heated to 700 degrees under the protection of argon and kept for 10 minutes; then the melt is poured into the mold ...

Embodiment 2

[0021]The invention discloses a magnesium alloy for casting which utilizes liquid metal to flame-retard and its processing technology. In terms of weight percentage, the composition of the alloy is In: 1.2wt.%, Sn: 3.5wt.%, Bi: 2.8wt.%, Ti: 0.6wt.%, Al: 8.0wt.%, Cu: 2.8wt.%. , Si: 2.5wt.%, Mn: 0.4wt.%, and the balance is magnesium. The above-mentioned magnesium alloy for casting using liquid metal flame retardancy and its processing technology include the following steps: adding the above-mentioned raw materials into an induction furnace protected by argon gas, and using a silicon carbide crucible. Induction heating to 800 degrees to form an alloy melt, and use the electromagnetic stirring effect to fully stir for about 15 minutes. The alloy melt is kept at 800°C for 15 minutes and then cast into a water glass or graphite mold for casting. The obtained ingot is heated to 700 degrees under the protection of argon and kept for 10 minutes; then the melt is poured into the mold ...

Embodiment 3

[0024] The invention discloses a magnesium alloy for casting which utilizes liquid metal to flame-retard and its processing technology. In terms of weight percentage, the composition of the alloy is In: 1.1wt.%, Sn: 3.2wt.%, Bi: 2.6wt.%, Ti: 0.5wt.%, Al: 5.2wt.%, Cu: 2.5wt.% , Si: 1.9wt.%, Mn: 0.3wt.%, and the balance is magnesium. The above-mentioned magnesium alloy for casting using liquid metal flame retardancy and its processing technology include the following steps: adding the above-mentioned raw materials into an induction furnace protected by argon gas, and using a silicon carbide crucible. Induction heating to 800 degrees to form an alloy melt, and use the electromagnetic stirring effect to fully stir for about 15 minutes. The alloy melt is kept at 800°C for 15 minutes and then cast into a water glass or graphite mold for casting. The obtained ingot is heated to 700 degrees under the protection of argon and kept for 10 minutes; then the melt is poured into the mold ...

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PUM

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Abstract

The invention provides a magnesium alloy using liquid metal for flame retardance and used for casing and a processing technique. The magnesium alloy adopting liquid metal for flame retardance and usedfor casing comprises, by weight, 1.0%-1.2% of In, 3.0%-3.5% of Sn, 2.5%-2.8% of Bi, 0.4%-0.6% of Ti, 5.0%-8.0% of Al, 2.0%-2.8% of Cu, 1.8%-2.5% of Si, 0.2%-0.4% of Mn, and the balance magnesium. Thematerial provides a material scheme based on surface formation of a liquid metal layer for the inflaming retardance of magnesium alloys, and the alloys are cast magnesium alloys. Implementation and industrialization of the alloy greatly promote commercial upgrading of high-quality magnesium alloy materials in the high-end field of China.

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, with a specific gravity of 1.74g / cm 3 , only 2 / 3 of aluminum, 2 / 5 of titanium, and 1 / 4 of steel. The storage of magnesium in nature is very rich, and it is the third most abundant structural metal in the earth's crust after aluminum and iron. The primary use of metal magnesium is as an alloying element; the second is to manufacture cast and deformed magnesium alloys suitable for structural parts; and finally it is used for desulfurization of steel. [0003] Magnesium alloys are formed by adding a series of alloying elements to magnesium. According to the manufacturing method, magnesium alloys are divided into cast magnesium alloys and wrought magnesium alloys. Both cast magnesium alloy and deformed magnesium alloy have a series of advantages: (1) In terms o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C23/02C22C1/02C22F1/02C22F1/06
CPCC22C1/02C22C23/02C22F1/02C22F1/06
Inventor 杨长江
Owner GUANGZHOU YUZHI TECH CO LTD
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