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High-strength and high-plasticity mg-ca-al-zn-mn-ce deformed magnesium alloy and preparation method thereof

A technology of deforming magnesium alloy and high plasticity, applied in the field of magnesium alloy materials, can solve the problems of increasing alloy density, increasing alloy cost, limiting alloy application, etc., and achieves the effects of improving strength, reducing grain size, and promoting recrystallization.

Active Publication Date: 2020-09-11
沈阳合创新材料科技合伙企业(有限合伙)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, adding a high content of rare earth elements increases the cost of the alloy
And the addition of rare earth elements increases the density of the alloy, which limits the application of the alloy

Method used

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  • High-strength and high-plasticity mg-ca-al-zn-mn-ce deformed magnesium alloy and preparation method thereof
  • High-strength and high-plasticity mg-ca-al-zn-mn-ce deformed magnesium alloy and preparation method thereof
  • High-strength and high-plasticity mg-ca-al-zn-mn-ce deformed magnesium alloy and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] High-strength and high-plasticity Mg-0.5Ca-0.3Al-0.1Zn-0.1Mn-0.1Ce deformed magnesium alloy, the components are: 0.5wt.% Ca; 0.3wt.% Al; 0.1wt.% Zn; 0.1wt .%Mn; 0.1wt.%Ce, the balance is Mg.

[0033] The preparation method of the high-strength and high-plasticity Mg-Ca-Al-Zn-Mn-Ce deformed magnesium alloy of the present embodiment is:

[0034] (1) Take the following components according to mass percentage: 0.5wt.% Ca; 0.3wt.% Al; 0.1wt.% Zn; 0.1wt.% Mn; 0.1wt.% Ce, the balance is magnesium; 6wt.% magnesium-manganese master alloy, the metal purity is above 99%;

[0035] (2) Ingot smelting: Under the protection of high-purity argon, heat commercially pure magnesium to 740°C. After it melts, add alloying elements calcium, aluminum, zinc, cerium, and manganese and stir for 3 minutes, and control the temperature of the solution at Stand at 700°C for 10 minutes, remove the scum on the surface, and cast the solution into a mold preheated to 200°C at a temperature of 700°C to...

Embodiment 2

[0040]High-strength and high-plasticity Mg-Ca-Al-Zn-Mn-Ce deformed magnesium alloy Mg-1Ca-0.3Al-0.1Zn-0.1Mn-0.1Ce, the composition is: 1wt.% Ca; 0.3wt.% Al ; 0.1wt.% Zn; 0.1wt.% Mn; 0.1wt.% Ce, the balance being Mg.

[0041] The preparation method of the high-strength and high-plasticity Mg-Ca-Al-Zn-Mn-Ce deformed magnesium alloy of the present embodiment is:

[0042] (1) Take the following components according to mass percentage: 1wt.% Ca; 0.3wt.% Al; 0.1wt.% Zn; 0.1wt.% Mn; 0.1wt.% Ce, the balance is magnesium; .% magnesium-manganese master alloy, the metal purity is above 99%;

[0043] (2) Ingot smelting: Under the protection of high-purity argon, heat commercially pure magnesium to 740°C. After it melts, add alloying elements calcium, aluminum, zinc, cerium, and manganese and stir for 3 minutes, and control the temperature of the solution at Stand at 700°C for 10 minutes, remove the scum on the surface, and cast the solution into a mold preheated to 200°C at a temperatur...

Embodiment 3

[0048] High-strength and high-plasticity Mg-Ca-Al-Zn-Mn-Ce deformed magnesium alloy Mg-1Ca-1Al-0.1Zn-0.1Mn-0.1Ce, the composition is by mass percentage: 1wt.% Ca; 1wt.% Al; 0.1 wt.% Zn; 0.1 wt.% Mn; 0.1 wt.% Ce, the balance being Mg.

[0049] The preparation method of the high-strength and high-plasticity Mg-Ca-Al-Zn-Mn-Ce deformed magnesium alloy of the present embodiment is:

[0050] (1) Take the following components according to mass percentage: 1wt.% Ca; 1wt.% Al; 0.1wt.% Zn; 0.1wt.% Mn; 0.1wt.% Ce, the balance is magnesium; % magnesium-manganese master alloy, the metal purity is above 99%;

[0051] (2) Ingot smelting: Under the protection of high-purity argon, heat commercially pure magnesium to 740°C. After it melts, add alloying elements calcium, aluminum, zinc, cerium, and manganese and stir for 3 minutes, and control the temperature of the solution at Stand at 700°C for 10 minutes, remove the scum on the surface, and cast the solution into a mold preheated to 200°C ...

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Abstract

The high-strength and high-plasticity Mg‑Ca‑Al‑Zn‑Mn‑Ce deformed magnesium alloy and its preparation method of the present invention belong to the field of deformed magnesium alloy materials. The components of deformed magnesium alloy in mass percentage are: calcium: 0.50~3.20%; aluminum: 0.30~3.50%; zinc: 0.10~1.00%; manganese: 0.10~3.00%; cerium: 0.10~0.50%, the balance is magnesium and unavoidable impurities. The preparation method is: first melt the pure magnesium ingot, and then add metal calcium, aluminum, zinc, cerium, manganese, etc. after full melting, stir thoroughly and then cast it into an ingot, then homogenize the ingot, and reverse extrusion. The corresponding extruded profile is obtained by extrusion through the pressing process, and the high-strength and high-plasticity Mg‑Ca‑Al‑Zn‑Mn‑Ce deformed magnesium alloy is prepared through smelting, homogenization treatment and subsequent extrusion (reverse extrusion) process. Its strength and toughness are enhanced and it has better mechanical properties.

Description

technical field [0001] The invention belongs to the field of magnesium alloy materials, in particular to a high-strength and high-plasticity Mg-Ca-Al-Zn-Mn-Ce deformed magnesium alloy and a preparation method thereof. Background technique [0002] With the increasingly serious environmental problems and the shortage of resources in recent years, energy saving and consumption reduction has become an urgent problem to be solved. The light weight of materials can greatly reduce the level of energy loss, which is of great significance to improving energy efficiency and protecting the environment. As the lightest metal structure material at present, the density of magnesium is only 1.74g / cm 3 , which is only 2 / 3 of aluminum and 1 / 4 of steel, has high specific strength and specific stiffness, good damping and shock absorption performance, good machining performance and good thermal conductivity, especially can be reused, so it is Known as the "green engineering material" of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C23/00C22C23/02C22C23/04C22C1/02C22C1/03C22F1/06C22F1/02
CPCC22C1/02C22C1/03C22C23/00C22C23/02C22C23/04C22F1/02C22F1/06
Inventor 潘虎成秦高梧杨延涛任玉平李景仁戴永强左良
Owner 沈阳合创新材料科技合伙企业(有限合伙)
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