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Novel flame-retarding magnesium alloy with high-temperature mechanical property and processing technology thereof

A technology of high temperature mechanics and processing technology, applied in the field of alloys, it can solve the problems such as the inability to completely eliminate magnesium fire, and achieve the effects of excellent fluidity, good filling performance, and small tendency to thermal cracking.

Inactive Publication Date: 2019-01-08
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Considering the mobility of magnesium alloys, this design concept can only play a certain auxiliary role, but cannot completely eliminate magnesium fire.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A new flame-retardant magnesium alloy with high-temperature mechanical properties and its processing technology. In terms of weight percentage, the composition of the alloy is Te:0.4wt.%, Li:0.6wt.%, In:1.0wt.%, Os:0.3wt.%, Pd:1.0wt.%, Ag:0.5wt.% , Sc: 2.0wt.%, Al: 10.0wt.%, and the balance is magnesium. The above-mentioned novel flame-retardant magnesium alloy with high-temperature mechanical properties and its processing technology include the following steps: adding the above-mentioned raw materials into an argon-protected induction furnace, and using a silicon carbide crucible. Induction heating to 760 degrees to form an alloy melt, and use the electromagnetic stirring effect to fully stir for about 12 minutes. The alloy melt is kept at 760°C for 12 minutes and then cast into a water glass or graphite mold for casting. The cast ingot is subjected to deformation treatment at room temperature, and the rolling reduction in each pass is 3-4%. Every 3 passes of rollin...

Embodiment 2

[0020]A new flame-retardant magnesium alloy with high-temperature mechanical properties and its processing technology. In terms of weight percentage, the composition of the alloy is Te:0.5wt.%, Li:0.8wt.%, In:1.8wt.%, Os:0.5wt.%, Pd:1.2wt.%, Ag:0.8wt.% , Sc: 3.0wt.%, Al: 12.0wt.%, and the balance is magnesium. The above-mentioned novel flame-retardant magnesium alloy with high-temperature mechanical properties and its processing technology include the following steps: adding the above-mentioned raw materials into an argon-protected induction furnace, and using a silicon carbide crucible. Induction heating to 760 degrees to form an alloy melt, and use the electromagnetic stirring effect to fully stir for about 12 minutes. The alloy melt is kept at 760°C for 12 minutes and then cast into a water glass or graphite mold for casting. The cast ingot is subjected to deformation treatment at room temperature, and the rolling reduction in each pass is 3-4%. Every 3 passes of rolling...

Embodiment 3

[0023] A new flame-retardant magnesium alloy with high-temperature mechanical properties and its processing technology. In terms of weight percentage, the composition of the alloy is Te:0.4wt.%, Li:0.7wt.%, In:1.2wt.%, Os:0.4wt.%, Pd:1.1wt.%, Ag:0.6wt.% , Sc: 2.5wt.%, Al: 10.4wt.%, and the balance is magnesium. The above-mentioned novel flame-retardant magnesium alloy with high-temperature mechanical properties and its processing technology include the following steps: adding the above-mentioned raw materials into an argon-protected induction furnace, and using a silicon carbide crucible. Induction heating to 760 degrees to form an alloy melt, and use the electromagnetic stirring effect to fully stir for about 12 minutes. The alloy melt is kept at 760°C for 12 minutes and then cast into a water glass or graphite mold for casting. The cast ingot is subjected to deformation treatment at room temperature, and the rolling reduction in each pass is 3-4%. Every 3 passes of rollin...

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Abstract

The invention discloses a novel flame-retarding magnesium alloy with high-temperature mechanical property and a processing technology thereof. The alloy is prepared from the following components in percentage by weight: 0.4 to 0.5 percent of Te, 0.6 to 0.8 percent of Li, 1.0 to 1.8 percent of In, 0.3 to 0.5 percent of Os, 1.0 to 1.2 percent of Pd, 0.5 to 0.8 percent of Ag, 2.0 to 3.0 percent of Sc, 10.0 to 12.0 percent of Al and the balance of magnesium. The material provides a flame-retarding scheme for magnesium alloy combustion caused by friction or external fire heating. Predicably, implementation and industrialization of the alloy can greatly push the commercial demand of China in the field of light weight for the novel flame-retarding magnesium alloy.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a magnesium alloy. Background technique [0002] With the continuous development of modern science and technology, the consumption of metal materials is increasing day by day, and the resources of metal minerals are gradually becoming exhausted. Magnesium is one of the most abundant elements on the earth, with a resource content of 2.3% in the surface layer of the earth's crust, ranking fourth among commonly used metals. The density of magnesium alloy is about two-thirds of that of aluminum alloy and less than half of that of titanium alloy, so the advantage of light weight is obvious. The biggest feature of this alloy is high strength, impact resistance, good heat dissipation, stable size and large elastic modulus, and its ability to withstand impact load is stronger than that of aluminum alloy. These characteristics make magnesium alloys widely used in fields such as transport...

Claims

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Application Information

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