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Rapidly dissolved magnesium alloy with functional mechanical property and manufacturing method of magnesium alloy

A technology of functional mechanics and manufacturing methods, applied in the field of metal material manufacturing, can solve problems such as limited selectivity and adjustable space, difficult construction application requirements, yield strength and elongation selectivity and limited adjustable space, etc. Increased adjustable space and improved elongation

Inactive Publication Date: 2018-05-29
袁颖宏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1) The mechanical properties of tensile strength, yield strength and elongation are limited in selectivity and adjustable space, and it is difficult to fully meet the construction application requirements of complex underground environments
[0007] 2) The selectivity and adjustable space of hardness and plastic modulus are limited, and it is difficult to meet the special requirements of different parts for different physical properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] 1), batching; carry out accurate weighing batching according to above-mentioned alloy formula;

[0056] Where Al: 0.1%; Mn: 0.01%; Ca: 0.1%; Zn: 0.1%; Ni: 0.01%; Cu: 0.1%, Zr: 0.01%; Y, Gd, Sr, Li, La, Ce, Pr, Nd constitutes a rare earth element, and the amount of the rare earth element is: 0.5%; the balance is Mg.

[0057] 2), melting;

[0058] After step 1) is completed, adopt industrial frequency induction furnace to smelt, add intermediate alloy and pure metal charge during smelting. When the furnace charge is slightly melted, the furnace cover should be closed and Ar protective gas should be introduced to prevent oxidation and combustion of molten magnesium. After melting, adjust the temperature of the magnesium solution to 680°C to 720V, and keep it warm for 1h to achieve the purpose of melting and uniform temperature.

[0059] For refining, adjust the temperature of the magnesium solution to 720V-760°C for refining treatment. Pay attention to uniform agitatio...

Embodiment 2

[0066] 1), batching; carry out accurate weighing batching according to above-mentioned alloy formula;

[0067] Where Al: 10.0%; Mn: 5.0%; Ca: 10.0%; Zn: 15.0%; Ni: 1.0%; Cu: 3%, Zr: 1.0%; Y, Gd, Sr, Li, La, Ce, Pr, Nd constitutes a rare earth element, and the amount of the rare earth element is: 15%; the balance is Mg.

[0068] 2), melting;

[0069] After step 1) is completed, adopt industrial frequency induction furnace to smelt, add intermediate alloy and pure metal charge during smelting. When the furnace charge is slightly melted, the furnace cover should be closed and Ar protective gas should be introduced to prevent oxidation and combustion of molten magnesium. After melting, adjust the temperature of the magnesium solution to 680°C to 720V, and keep it warm for 1h to achieve the purpose of melting and uniform temperature.

[0070] For refining, adjust the temperature of the magnesium solution to 720V-760°C for refining treatment. Pay attention to uniform agitation, ...

Embodiment 3

[0077] 1), batching; carry out accurate weighing batching according to above-mentioned alloy formula;

[0078] Where Al: 5%; Mn: 2.5%; Ca: 5%; Zn: 7.5%; Ni: 0.5%; Cu: 1.5%, Zr: 0.5%; Y, Gd, Sr, Li, La, Ce, Pr, Nd constitutes rare earth elements, and the amount of rare earth elements is: 8%; the balance is Mg.

[0079] 2), melting;

[0080] After step 1) is completed, adopt industrial frequency induction furnace to smelt, add intermediate alloy and pure metal charge during smelting. When the furnace charge is slightly melted, the furnace cover should be closed and Ar protective gas should be introduced to prevent oxidation and combustion of molten magnesium. After melting, adjust the temperature of the magnesium solution to 680°C to 720V, and keep it warm for 1h to achieve the purpose of melting and uniform temperature.

[0081] For refining, adjust the temperature of the magnesium solution to 720V-760°C for refining treatment. Pay attention to uniform agitation, on the one...

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PUM

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Abstract

The invention discloses a rapidly dissolved magnesium alloy with functional mechanical properties and a manufacturing method of the magnesium alloy. The magnesium alloy is prepared from alloys of binary Mg-M, ternary Mg-M-N or multi-element phase balance through melting. The material resistance of the alloy is limited, then the dissolution properties of the alloy can be predicted, and dissolutionresidues have no influence upon later dissolution process. The alloy can be rapidly dissolved, the dissolution velocity can be maintained within a predictable range, and abnormity caused by environment variation is avoided; in addition, mechanical property parameters such as tension resistance and / or yield strength and / or ductility are remarkably improved, and special requirements of different parts of equipment in complex underground construction application can be completely met.

Description

technical field [0001] The invention belongs to the technical field of metal material manufacturing, in particular to a soluble metal material and a preparation method thereof. Background technique [0002] In some special construction environments, in areas that are difficult to reach manually, it is necessary to send in some special equipment to complete the work. After the work is completed, the equipment cannot be effectively removed due to various environmental factors. The use of dissolvable materials can avoid this limitation and directly explain the disappearance in the environment. Therefore, it is required to use a metal material with a certain mechanical strength, and the body of the metal material can be rapidly degraded or completely dissolved in a certain environmental medium after performing its function. These materials are mostly used in long-distance construction environments that are difficult to touch or operate manually, such as underground engineering...

Claims

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Application Information

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IPC IPC(8): C22C23/00C22C1/03C22F1/06C22F1/02C22C23/04C22C23/02
CPCC22C23/00C22C1/03C22C23/02C22C23/04C22F1/02C22F1/06
Inventor 袁颖宏
Owner 袁颖宏
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