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High-strength magnesium alloy capable of quickly reacting with media and preparation method thereof

A fast-response, high-strength technology, applied in the field of metal materials, can solve problems such as narrow controllable range, low reaction rate between magnesium alloys and media, and inability to meet industrial applications, to improve tensile strength and yield strength, controllable range wide effect

Active Publication Date: 2018-08-24
FIVE STAR DOWNHOLE SERVICE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the low reaction rate of conventional magnesium alloys and media in a certain temperature range, and the narrow controllable range, it cannot meet the needs of industrial applications.

Method used

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  • High-strength magnesium alloy capable of quickly reacting with media and preparation method thereof

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preparation example Construction

[0027] The preparation method of the high-strength magnesium alloy reacting rapidly with the medium of the present invention comprises steps:

[0028] Weigh raw materials such as magnesium, magnesium-gadolinium master alloy, magnesium-yttrium master alloy, magnesium-zirconium master alloy, aluminum, zinc, aluminum-silicon master alloy, aluminum-iron master alloy, nickel, gallium, indium and other raw materials, of which magnesium, magnesium-gadolinium master alloy, magnesium Yttrium master alloy, aluminum, zinc, aluminum-silicon master alloy, aluminum-iron master alloy and nickel are preheated at 100-300°C for 5-10h;

[0029] The raw materials are mixed, then smelted in a crucible resistance furnace, covered by adding a covering agent, and refined by refining agent 1 or 2, so that the ingredients are evenly mixed, inclusions are removed, and cast at 670-750°C to obtain an ingot;

[0030] Perform homogenization heat treatment on the ingot at 450-540°C, and the treatment time is...

Embodiment 1

[0040] 5.0 parts of gadolinium, 2.0 parts of yttrium, 1.0 parts of aluminum, 4.0 parts of zinc, 0.3 parts of zirconium, 1.3 parts of rhenium, 1.0 parts of silicon, copper, iron, nickel, gallium and indium in total, and 0.1 parts of beryllium and calcium , Magnesium 90 parts.

[0041] The preparation method is as follows:

[0042] Weigh raw materials such as magnesium, magnesium-gadolinium master alloy, magnesium-yttrium master alloy, magnesium-zirconium master alloy, aluminum, zinc, aluminum-silicon master alloy, aluminum-iron master alloy, nickel, gallium, indium and other raw materials, of which magnesium, magnesium-gadolinium master alloy, magnesium Yttrium master alloy, aluminum, zinc, aluminum-silicon master alloy, aluminum-iron master alloy and nickel are preheated at 100°C for 5 hours;

[0043] The raw materials are mixed, then smelted in a crucible resistance furnace, covered with a covering agent, and refined with a refining agent 1, so that the ingredients are evenl...

Embodiment 2

[0048] 1.0 parts of gadolinium, 3.0 parts of yttrium, 0.6 parts of aluminum, 6.5 parts of zinc, 0.1 parts of zirconium, 2.0 parts of rhenium, the total amount of silicon, copper, iron, nickel, gallium, and indium is 0.05 parts, and the content of beryllium and calcium is 0.2 parts , 83 parts of magnesium.

[0049] Weigh raw materials such as magnesium, magnesium-gadolinium master alloy, magnesium-yttrium master alloy, magnesium-zirconium master alloy, aluminum, zinc, aluminum-silicon master alloy, aluminum-iron master alloy, nickel, gallium, indium and other raw materials, of which magnesium, magnesium-gadolinium master alloy, magnesium Yttrium master alloy, aluminum, zinc, aluminum-silicon master alloy, aluminum-iron master alloy and nickel are preheated at 300°C for 10 hours;

[0050] The raw materials are mixed, then smelted in a crucible resistance furnace, covered with a covering agent, and refined with a refining agent 2, so that the ingredients are evenly mixed, inclusi...

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Abstract

The invention relates to the field of metal materials, in particular to a high-strength magnesium alloy capable of quickly reacting with media and a preparation method thereof. The high-strength magnesium alloy capable of quickly reacting with media is prepared from the following components: gadolinium, yttrium, aluminum, zinc, zirconium, rhenium, silicon, copper, iron, nickel, gallium, indium, beryllium, calcium and magnesium. Mixed reaction promoting elements (MRAE) including Si, Ni, Ga, In and the like are added to a magnesium alloy, and the continuity of magnesium hydrate can be damaged byphases formed by the elements and magnesium during reaction of magnesium and media, so that the effect that the reaction of magnesium and media is promoted is achieved; the proportion of all elementsin magnesium alloy is adjusted and controlled, so that the reaction rate of magnesium alloy and media is adjusted, thus, the controllable range is wide, additionally, the magnesium alloy material hasflexibility, and therefore, the magnesium alloy satisfies the application requirements of the industrial field.

Description

technical field [0001] The invention relates to the field of metal materials, in particular to a high-strength magnesium alloy that reacts quickly with a medium and a preparation method thereof. Background technique [0002] Magnesium alloy is an alloy composed of magnesium and other elements. Its characteristics are: low density (about 1.8g / cm3 magnesium alloy), high specific strength, large specific elastic modulus, good heat dissipation, good shock absorption, greater impact load capacity than aluminum alloy, and corrosion resistance of organic matter and alkali it is good. It is widely used in various industrial fields, mainly used in aviation, aerospace, transportation, chemical industry, rocket and other industrial sectors. It is the lightest metal among practical metals. The specific gravity of magnesium is about 2 / 3 of that of aluminum and 1 / 4 of that of iron. It is the lightest metal among practical metals, with high strength and high rigidity. On the other hand...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/03C22C1/06C22C23/00C22C23/02C22C23/04C22C23/06C22F1/06
CPCC22C1/03C22C1/06C22C23/00C22C23/02C22C23/04C22C23/06C22F1/06C22C1/02
Inventor 胡毅唐廷基吴蓉骆晓楠胡蓉
Owner FIVE STAR DOWNHOLE SERVICE INC
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