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Rapid-corrosion magnesium alloy product and preparation method thereof

A rapid corrosion, magnesium alloy technology, applied in the field of metal alloy materials, to achieve the effect of increasing corrosion rate, improving mechanical properties, and protecting equipment

Inactive Publication Date: 2015-04-08
中国石油化工股份有限公司西南油气分公司工程技术研究院 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, for the existing magnesium alloy materials on the market, some special requirements cannot be met under neutral environmental conditions, such as fast corrosion materials, which makes it urgent to develop a special magnesium alloy to meet this demand

Method used

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  • Rapid-corrosion magnesium alloy product and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1 A rapid corrosion magnesium alloy product, the alloy product is composed of the following weight percentage (g / g): 1% aluminum, 6% zinc, 1% iron, 10% copper, 0.1% silver, 0.1% nickel, balance magnesium.

[0021] The preparation method of the rapid corrosion magnesium alloy product comprises the following steps:

[0022] ⑴Pretreatment of magnesium-copper alloy containing 30% copper: Cut the magnesium-copper alloy containing 30% copper into small pieces of 20mm×20mm×20mm, and remove oxides and oil stains on the surface according to conventional methods, and then After cleaning with anhydrous alcohol, dry at a temperature of 101° C. to constant weight to obtain the pretreated magnesium-copper alloy.

[0023] ⑵Pretreatment of aluminum-nickel alloy containing 50% nickel: Cut the aluminum-nickel alloy containing 50% nickel into small pieces of 10mm×10mm×10mm, remove oxides and oil stains on the surface according to conventional methods, and then After cleanin...

Embodiment 2

[0027] Example 2 A rapidly corroding magnesium alloy product consisting of the following components by weight percentage (g / g): 6% aluminum, 1% zinc, 3% iron, 5% copper, 1% silver, 1.2% nickel, balance magnesium.

[0028] The preparation method of the rapid corrosion magnesium alloy product comprises the following steps:

[0029] (1) Pretreatment of magnesium-copper alloy containing 30% copper is the same as Example 1 .

[0030] ⑵ Pretreatment of aluminum-nickel alloy containing 50% nickel Example 1 .

[0031] (3) Carry out pretreatment on magnesium ingots, aluminum ingots and zinc ingots at the same time Example 1 .

[0032] ⑷ Carry out pretreatment to iron powder and silver powder respectively Example 1 .

[0033] (5) Add 711g of pretreated magnesium ingot, 48g of aluminum ingot, 10g of zinc ingot, 167g of pretreated magnesium-copper alloy, 24g of pretreated aluminum-nickel alloy, 30g of dry iron powder, and 10g of dry silver powder in sequence In the smelting ...

Embodiment 3

[0034] Example 3 A rapid corrosion magnesium alloy product, the alloy product is composed of the following weight percentage (g / g): 3% aluminum, 3% zinc, 2% iron, 15% copper, 0.5% silver, 0.5% nickel, balance magnesium.

[0035] The preparation method of the rapid corrosion magnesium alloy product comprises the following steps:

[0036] (1) Pretreatment of magnesium-copper alloy containing 30% copper is the same as Example 1 .

[0037] ⑵ Pretreatment of aluminum-nickel alloy containing 50% nickel Example 1 .

[0038] (3) Carry out pretreatment on magnesium ingots, aluminum ingots and zinc ingots at the same time Example 1 .

[0039] ⑷ Carry out pretreatment to iron powder and silver powder respectively Example 1 .

[0040] (5) Add 410kg of pretreated magnesium ingot, 25g of aluminum ingot, 30g of zinc ingot, 500g of pretreated magnesium-copper alloy, 10g of pretreated aluminum-nickel alloy, 20g of dry iron powder, and 5g of dry silver powder in sequence In the sm...

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Abstract

The invention relates to a rapid-corrosion magnesium alloy product. The alloy product comprises the following components in percentage by weight: 1-6% of aluminum, 1-6% of zinc, 1-3% of iron, 5-15% of copper, 0.1-1% of silver, 0.1-1.2% of nickel and the balance of magnesium. Meanwhile, the invention also discloses a preparation method of the alloy product. The effects of aluminum and zinc are fully utilized to improve the strength and hardness of the magnesium alloy, copper, iron, silver and nickel are used for improving the corrosion rate; by regulating and controlling the ratio among metal elements, the mechanical properties and corrosion rate are greatly increased and thus the purposes that the magnesium alloy product can be used as a structural member and can protect a device and the magnesium alloy product can be rapidly dissolved under certain conditions are achieved.

Description

technical field [0001] The invention relates to the technical field of metal alloy materials, in particular to a rapid corrosion magnesium alloy product and a preparation method thereof. Background technique [0002] Magnesium alloy is an alloy composed of magnesium as the matrix and adding other elements. It is characterized by low density (about 1. 8g / cm3 magnesium alloy), high specific strength, large elastic modulus, good heat dissipation, good shock absorption, and The impact load capacity is greater than that of aluminum alloy, it is the lightest metal among practical metals, with high strength and high rigidity. With the development of industry, more and more metal materials are used, so the problem of corrosion and corrosion protection becomes more and more important. [0003] There are many kinds of metal corrosion, electrochemical corrosion is one of the most important corrosion, and cathodic protection is an important metal electrochemical corrosion protection me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C23/00C22C23/02C22C23/04C23F13/14
CPCC22C23/00C22C23/02C22C23/04
Inventor 田哿唐平洋谭昕洋
Owner 中国石油化工股份有限公司西南油气分公司工程技术研究院
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