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Antioxidant magnesium alloy with rapid heat response for heat storage and process of antioxidant magnesium alloy

A heat-responsive, oxidation-resistant technology, applied in the field of alloys, can solve problems such as the absence of extremely good alloy varieties, and achieve the effects of outstanding chemical compatibility, excellent oxidation resistance, and enhanced chemical interaction

Inactive Publication Date: 2018-12-25
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, there is a very urgent demand for medium and high temperature heat storage alloys at home and abroad, but so far there are no extremely good alloy varieties, so that the medium and high temperature heat storage system can run stably for a long time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] An oxidation-resistant magnesium alloy for heat storage with fast thermal response and its technology. In terms of weight percentage, the composition of the alloy is Al: 10.0wt.%, Sr: 0.4wt.%, Be: 0.1wt.%, Ni: 1.5wt.%, Cu: 2.0wt.%, Y: 0.5wt.%. , Hf: 0.1wt.%, W: 0.4wt.%, the balance is magnesium. The above-mentioned oxidation-resistant magnesium alloy for heat storage with rapid thermal response and its process includes the following smelting steps (under protective conditions): melting the above-mentioned raw materials in a crucible resistance furnace, wherein the active elements are in the form of master alloys join in. During the melting process, graphite crucible and argon gas are used to protect; the crucible is heated to 720-800 degrees to form an alloy melt, and the electromagnetic stirring effect is used to fully stir for about 15 minutes. The alloy melt is kept at 700°C for 15 minutes and then cast into a water glass or graphite mold for casting.

[0019] The...

Embodiment 2

[0021]An oxidation-resistant magnesium alloy for heat storage with fast thermal response and its technology. In terms of weight percentage, the composition of the alloy is Al: 12.0wt.%, Sr: 0.5wt.%, Be: 0.2wt.%, Ni: 1.8wt.%, Cu: 2.5wt.%, Y: 0.8wt.%. , Hf: 0.2wt.%, W: 0.5wt.%, the balance is magnesium. The above-mentioned oxidation-resistant magnesium alloy for heat storage with rapid thermal response and its process includes the following smelting steps (under protective conditions): melting the above-mentioned raw materials in a crucible resistance furnace, wherein the active elements are in the form of master alloys join in. During the melting process, graphite crucible and argon gas are used to protect; the crucible is heated to 720-800 degrees to form an alloy melt, and the electromagnetic stirring effect is used to fully stir for about 15 minutes. The alloy melt is kept at 700°C for 15 minutes and then cast into a water glass or graphite mold for casting.

[0022] The ...

Embodiment 3

[0024] An oxidation-resistant magnesium alloy for heat storage with fast thermal response and its technology. In terms of weight percentage, the composition of the alloy is Al: 10.5wt.%, Sr: 0.4wt.%, Be: 0.1wt.%, Ni: 1.6wt.%, Cu: 2.4wt.%, Y: 0.6wt.%. , Hf: 0.1wt.%, W: 0.4wt.%, the balance is magnesium. The above-mentioned oxidation-resistant magnesium alloy for heat storage with rapid thermal response and its process includes the following smelting steps (under protective conditions): melting the above-mentioned raw materials in a crucible resistance furnace, wherein the active elements are in the form of master alloys join in. During the melting process, graphite crucible and argon gas are used to protect; the crucible is heated to 720-800 degrees to form an alloy melt, and the electromagnetic stirring effect is used to fully stir for about 15 minutes. The alloy melt is kept at 700°C for 15 minutes and then cast into a water glass or graphite mold for casting.

[0025] The...

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PUM

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Abstract

The invention discloses antioxidant magnesium alloy with rapid heat response for heat storage and a process of the antioxidant magnesium alloy. The antioxidant magnesium alloy with rapid heat responsefor heat storage comprises the following components in percentages by weight: 10.0-12.0wt.% of Al, 0.4-0.5wt.% of Sr, 0.1-0.2wt.% of Be, 1.5-1.8wt.% of Ni, 2.0-2.5wt.% of Cu, 0.5-0.8wt.% of Y, 0.1-0.2wt.% of Hf, 0.4-0.5wt.% of W and the balance of magnesium. The antioxidant magnesium alloy with rapid heat response for heat storage and the process of the antioxidant magnesium alloy are provided for the field of alloy energy storage, and the alloy melt has excellent oxidation resistance, thermal cycle property and thermophysical property. The technical problem in the field of energy storage alloy at present can be solved effectively, and social value and market value will be quite high expectedly while the industry problem is solved.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a magnesium alloy. Background technique [0002] Heat storage materials can absorb external heat energy and store it inside, and can release energy when the ambient temperature is lower than the material temperature. Heat is stored as sensible heat, latent heat, or both. Sensible heat is stored by the temperature rise of the heat storage medium, while latent heat storage is the heat absorbed or released by the phase change of the material. The process of repeated release of sensible heat and latent heat constitutes the basic working form of energy storage. At present, the main sources of thermal energy are solar energy and industrial waste heat. These two main energy sources are not coordinated in space and time, and belong to intermittent energy. Energy storage technology can well alleviate the contradiction between energy demand and energy time and space incoordination, and h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C23/02C22C1/03
CPCC22C1/03C22C23/02
Inventor 杨长江
Owner GUANGZHOU YUZHI TECH CO LTD
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