Corrosion resistant magnesium alloy and compound material containing corrosion resistant magnesium alloy and preparation method thereof

A technology of composite materials and porous composite materials, which is applied in the field of corrosion-resistant magnesium alloys and composite materials containing corrosion-resistant magnesium alloys and their preparation, can solve the problem of not forming an independent corrosion-resistant magnesium alloy system, and the degree of improvement is limited. and other problems, to achieve the effect of good plasticity, low cost and good damping performance

Inactive Publication Date: 2009-03-18
CHANGSHU NANJING NORMAL UNIV DEV RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The above patents are based on the magnesium-aluminum master alloy, adding a certain amount of rare earth elements and other elements to improve the corrosion resistance of the magnesium alloy. The degree of improvement is limited by the parent alloy, and no independent corrosion-resistant magnesium alloy system has been formed.

Method used

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  • Corrosion resistant magnesium alloy and compound material containing corrosion resistant magnesium alloy and preparation method thereof
  • Corrosion resistant magnesium alloy and compound material containing corrosion resistant magnesium alloy and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0021] The corrosion-resistant magnesium alloy has the following mass percentages of alloy components: 0.5% of Sn, 0.05% of Pb, and the rest is Mg.

[0022] The corrosion-resistant magnesium alloy has the following mass percentages of alloy components: Sn 0.5%, Pb 0.05%, Sr 0.05%, Sb 0.01%, Te 0.02%, and the rest is Mg.

[0023] The porous composite material containing the above-mentioned corrosion-resistant magnesium alloy is a metal-based composite material containing inorganic non-metallic phase mixed particles, the metal matrix is ​​a corrosion-resistant magnesium alloy, and the inorganic non-metallic phase mixed particles are fine-pored Perlite and vermiculite, the size of perlite and vermiculite in the porous composite material is 0.5 ~ 2mm, and the density of perlite in the porous composite material is 1 ~ 2.5g / cm 3 , the density of vermiculite in the porous composite material is 2.4~2.7g / cm 3 , the volume percentage of the inorganic non-metal phase mixed particles in ...

Embodiment 2

[0029] The corrosion-resistant magnesium alloy has the following mass percentages of alloy components: Sn 9%, Pb 5%, and the rest is Mg.

[0030] Corrosion-resistant magnesium alloy, the mass percentage of alloy components is: Sn 9%, Pb 5%, Sr 2%, Sb 0.2%, Te 0.2%, and the rest is Mg.

[0031] The porous composite material containing the above-mentioned corrosion-resistant magnesium alloy is a metal-based composite material containing inorganic non-metallic phase mixed particles, the metal matrix is ​​a corrosion-resistant magnesium alloy, and the inorganic non-metallic phase mixed particles are fine-pored Perlite and vermiculite, the size of perlite and vermiculite in the porous composite material is 0.5 ~ 2mm, and the density of perlite in the porous composite material is 1 ~ 2.5g / cm 3 , the density of vermiculite in the porous composite material is 2.4~2.7g / cm 3 , the volume percentage of the inorganic non-metal phase mixed particles in the porous composite material is 75%...

Embodiment 3

[0037] Corrosion-resistant magnesium alloy, the mass percentage of alloy components is: Sn 6%, Pb 5%, and the rest is Mg.

[0038] The corrosion-resistant magnesium alloy has the following mass percentages of alloy components: 1% Sn, 2% Pb, 1% Sr, 0.02% Sb, 0.2% Te, and the rest is Mg.

[0039] The porous composite material containing the above-mentioned corrosion-resistant magnesium alloy is a metal-based composite material containing inorganic non-metallic phase mixed particles, the metal matrix is ​​a corrosion-resistant magnesium alloy, and the inorganic non-metallic phase mixed particles are fine-pored Perlite and vermiculite, the size of perlite and vermiculite in the porous composite material is 0.5 ~ 2mm, and the density of perlite in the porous composite material is 1 ~ 2.5g / cm 3 , the density of vermiculite in the porous composite material is 2.4~2.7g / cm 3 , the volume percentage of the inorganic non-metal phase mixed particles in the porous composite material is 50...

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Abstract

The invention relates to a corrosion-resistant magnesium alloy. The compositions in weight percentage of the alloy are 0.5 to 9 percent of tin, 0.05 to 5 percent of plumbum, less than or equal to 2 percent of strontium, less than or equal to 0.2 percent of stibium, less than or equal to 0.2 percent of tellurium and the balance being magnesium. The invention relates to a porous composite material containing the corrosion-resistant magnesium alloy, which is a metal base composite material containing inorganic nonmetal phase mixed particles. The corrosion-resistant magnesium alloy only uses common tin and plumbum or general elements such as tin, plumbum, cerium and so on, avoids using rare and noble elements, and has simple manufacturing and preparation technologies, low cost and good corrosion resistance and plasticity. The corrosion-resistant magnesium base porous composite material consists of the corrosion-resistant magnesium alloy and corrosion-resistant inorganic porous materials with low density. The composite material not only has corrosion resistance but also has good damping performance, can be widely used for corrosion-resistant vibration-absorbing components and parts on high speed machines such as automobiles and so on, and has good vibration absorption effect, sound insulation effect and noise control effect.

Description

1. Technical field [0001] The invention belongs to the technical field of magnesium alloys, in particular to a corrosion-resistant magnesium alloy, a composite material containing the corrosion-resistant magnesium alloy and a preparation method thereof. 2. Background technology [0002] Magnesium alloys are widely used in the manufacture of industrial products because of their high specific strength and specific stiffness. But the corrosion resistance of the existing ordinary magnesium alloy is poor, if such an alloy is used as the matrix of the composite material, the corrosion resistance of the composite material will also be poor. At present, there are many researches on corrosion-resistant magnesium alloys: [0003] Patent 02130182.4 provides a magnesium alloy containing the following mass percentage elements: Al: 5% to 7%, Ca: 2% to 4%, Mn: 0.1% to 0.8%, Sr: 0.001% to 0.05% and rare earth elements: 0.1 % to 0.6%. [0004] Patent 200510055930.8 proposes a high-corrosi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C23/00C22C1/10
Inventor 赵浩峰王玲
Owner CHANGSHU NANJING NORMAL UNIV DEV RES INST
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