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Magnesium alloy, manufacturing technology and hub thereof

A magnesium alloy and manufacturing process technology, applied in the field of magnesium alloys, can solve the problem of high cost and achieve the effects of low density, large elastic modulus and good corrosion performance

Inactive Publication Date: 2013-01-16
KAIPING ZHONGLV IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the magnesium alloys on the market cannot be used on automobile wheels, because of the composition and characteristics of magnesium alloys, it is not suitable for the current manufacturing process or the cost is too high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The magnesium alloy is mainly composed of magnesium, aluminum, nickel, manganese, and zinc, and the weight percentages of the various elements are: aluminum element: 7.2%, nickel element: 0.01%, manganese element: 0.70%, zinc element: 0.30% , and the rest is magnesium.

[0035] The manufacturing process of described magnesium alloy comprises the following steps:

[0036] 1) Heat the magnesium melt to 665°C, add aluminum, nickel, manganese, and zinc directly into the melting furnace according to the weight percentage of aluminum element: 7.2%, nickel element: 0.01%, manganese element: 0.70%, and zinc element: 0.30% elements, and use a blender to blend for 3 minutes.

[0037] 2) Once every 4 hours, take 2KG of refining agent each time, put it in the debulking machine, connect it with nitrogen pressure of about 4.5KG, and then inject it into the melt through the steel pipe until the melt rolls for 3 minutes, take out the steel pipe, and let it rest Wait for 5 minutes, th...

Embodiment 2

[0053] The magnesium alloy is mainly composed of magnesium, aluminum, nickel, manganese, and zinc, and the weight percentages of the various elements are: aluminum element: 8.5%, nickel element: 0.007%, manganese element: 0.30%, zinc element: 0.20% , and the rest is magnesium.

[0054] The manufacturing process of described magnesium alloy comprises the following steps:

[0055] 1) Heating the molten magnesium to 670°C, adding aluminum, nickel, manganese, and zinc directly into the melting furnace according to the weight percentage of aluminum element: 8.5%, nickel element: 0.007%, manganese element: 0.30%, and zinc element: 0.20% elements, and use a blender to blend for 5 minutes.

[0056] 2) Once every 4 hours, take 2KG of refining agent each time, put it in the debulking machine, connect it with nitrogen pressure of about 4.5KG, and then inject it into the melt through the steel pipe until the melt rolls for 5 minutes, take out the steel pipe, and let it rest After 10 min...

Embodiment 3

[0071] The magnesium alloy is mainly composed of magnesium, aluminum, nickel, manganese, and zinc, and the weight percentages of the various elements are: aluminum element: 8%, nickel element: 0.008%, manganese element: 0.50%, zinc element: 0.25% , and the rest is magnesium.

[0072] The manufacturing process of described magnesium alloy comprises the following steps:

[0073] 1) Heat the magnesium melt to 660°C, add aluminum, nickel, manganese, and zinc directly into the melting furnace according to the weight percentage of aluminum element: 8%, nickel element: 0.008%, manganese element: 0.50%, zinc element: 0.25% elements, and use a blender to blend for 4 minutes.

[0074] 2) Once every 4 hours, take 2KG of refining agent each time, put it in the debulking machine, connect it with nitrogen pressure of about 4.5KG, and then inject it into the melt through the steel pipe until the melt rolls for 5 minutes, take out the steel pipe, and let it rest 7 minutes, then scrape off t...

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PUM

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Abstract

The invention discloses magnesium alloy which mainly comprises the following elements in percent by weight: 7.2% to 8.5% of aluminum, 0.007% to 0.01% of nickel, 0.30% to 0.70% of manganese, 0.20% to 0.30% of zinc and the balance of magnesium. The manufacturing technology comprises the following: step 1, all elements are added into a smelting furnace according to weight percentages, heated to 665 plus or minus 5 DEG C and stirred for 3 to 5 minutes; step 2, the time interval is 4 hours; a refining agent of 2 kg is taken per time and placed in a slag removing machine; the nitrogen gas of about 4.5 kg is introduced for pressurization and injected into melting liquid through a steel tube and the melting liquid is boiling for 3 to 5 minutes; the steel tube is taken out and rested for 5 to 10 minutes; and then the surface residual slag is removed; step 3, mould pouring is conducted; step 4, cooling and demoulding are performed; and step 5, forming is achieved.

Description

technical field [0001] The invention belongs to the technical field of magnesium alloys, and in particular relates to a magnesium alloy specially used in the field of automobile magnesium alloy wheel manufacturing, a manufacturing process and a wheel hub made thereof. Background technique [0002] As the lightest engineering metal material, magnesium alloy has a series of unique features such as light specific gravity, high specific strength and specific stiffness, good damping and machinability, good thermal conductivity, strong electromagnetic shielding ability, good vibration damping and easy recycling. It has become the material of choice for modern automobiles and 3C industries, and is known as "the green engineering material of the 21st century". [0003] With the increasing demands of domestic and international markets after my country's accession to WTO and the implementation of the country's western development strategy, the magnesium industry is facing great opport...

Claims

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Application Information

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IPC IPC(8): C22C23/02C22C1/02C22C1/06B60B27/00
Inventor 黄房富
Owner KAIPING ZHONGLV IND
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