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Improved ADC6 aluminum alloy, and preparation method and application thereof in automobile part

An aluminum alloy and metal technology, which is applied to vehicle parts, steering control installed on the vehicle, transportation and packaging, etc., can solve the problems of high preparation cost, long preparation time, and easy brittle cracking, etc., and achieves a simple preparation method, High fatigue limit, seawater corrosion resistance effect

Inactive Publication Date: 2021-05-07
KUNSHAN CHAOQUN METAL PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an improved ADC6 aluminum alloy, its preparation method and its application in auto parts, to overcome the high preparation cost and long preparation time in the prior art, and it is prone to embrittlement and difficult to demould insufficient

Method used

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Examples

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preparation example Construction

[0084] Described a kind of preparation method of improving ADC6 aluminum alloy, comprises the following steps:

[0085] (1) Provide aluminum metal, magnesium metal, copper metal, manganese metal, and Be metal for spare use;

[0086] (2) After mixing metal aluminum and metal magnesium, ball milling treatment for 3-5 hours under the condition of 3000-5000 r / min, and passing through 30-60 mesh molecular sieves to prepare mixed powder A;

[0087] (3) Mix the metal Be with the mixed powder A, then ball mill it for 5-6 hours under the condition of 4000-5000r / min, and then treat it with a 30-60 mesh molecular sieve to prepare the mixed powder B;

[0088] (4) After mixing metal copper and metal manganese with the mixed powder B, perform ball milling treatment for 1-3 hours to obtain the improved ADC6 aluminum alloy.

[0089] Optionally, the tensile strength of the metal Be is 500-670 MPa.

[0090] Optionally, the tensile strength of the metal Be is 550 MPa.

[0091] Optionally, the...

Embodiment 1

[0102] The components of the improved ADC6 aluminum alloy and the contents of each component are as follows: the mass fraction of metal aluminum is 65wt%, the mass fraction of metal magnesium is 30wt%, the mass fraction of metal copper is 1.0wt%, and the mass fraction of metal manganese is 1.5wt%, the mass fraction of metal Be is 2.5wt%.

[0103] Described a kind of preparation method of improving ADC6 aluminum alloy, comprises the following steps:

[0104] (1) Provide aluminum metal, magnesium metal, copper metal, manganese metal, and Be metal for spare use;

[0105] (2) After mixing metal aluminum and metal magnesium, ball milling treatment for 3-5 hours under the condition of 3000-5000 r / min, and passing through 30-60 mesh molecular sieves to prepare mixed powder A;

[0106] (3) Mix the metal Be with the mixed powder A, then ball mill it for 5-6 hours under the condition of 4000-5000r / min, and then treat it with a 30-60 mesh molecular sieve to prepare the mixed powder B; ...

Embodiment 2

[0109] The components of the improved ADC6 aluminum alloy and the contents of each component are as follows: the mass fraction of metal aluminum is 68wt%, the mass fraction of metal magnesium is 28wt%, the mass fraction of metal copper is 0.3wt%, and the mass fraction of metal manganese is 1.2wt%, and the mass fraction of metal Be is 2.5wt%.

[0110] Described a kind of preparation method of improving ADC6 aluminum alloy, comprises the following steps:

[0111] (1) Provide aluminum metal, magnesium metal, copper metal, manganese metal, and Be metal for spare use;

[0112] (2) After mixing metal aluminum and metal magnesium, ball milling treatment for 3-5 hours under the condition of 3000-5000 r / min, and passing through 30-60 mesh molecular sieves to prepare mixed powder A;

[0113] (3) Mix the metal Be with the mixed powder A, then ball mill it for 5-6 hours under the condition of 4000-5000r / min, and then treat it with a 30-60 mesh molecular sieve to prepare the mixed powder ...

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Abstract

The invention provides an improved ADC6 aluminum alloy, and a preparation method and application thereof in an automobile part. The improved ADC6 aluminum alloy comprises the following components by mass: 60wt% to 70wt% of metal aluminum, 10wt% to 30wt% of metal magnesium, 0.1wt% to 1.0wt% of metal copper, 0.1wt% to 1.5wt% of metal manganese and 0.7wt% to 3.0wt% of metal Be. According to the improved ADC6 aluminum alloy provided by the invention, the metal beryllium (Be) is added to the improved ADC6 aluminum alloy, so that the performance of the aluminum-magnesium alloy is changed, and the improved ADC6 aluminum alloy has the advantages that cracks are not liable to form in the preparation process, the shrinkage rate is small, the flowability is low, demolding is easy, and strain is avoided. The preparation method of the improved ADC6 aluminum alloy is simple, green and environmentally friendly, and the prepared ADC6 aluminum alloy has the advantages of resistance to corrosion, high in strength, conductivity, toughness, fatigue limit and abrasion resistance, resistance to seawater corrosion, no magnetism, resistance to thermal shock, no sparks during collision and the like, and can be widely applied to the automobile part.

Description

technical field [0001] The present application relates to an improved ADC6 aluminum alloy, in particular to an improved ADC6 aluminum alloy, its preparation method and its application in auto parts. Background technique [0002] Aluminum alloy ADC6 is an alloy based on aluminum with other alloying elements added. Due to the advantages of low density, good mechanical properties, good processability, non-toxicity and easy recycling, aluminum alloy is widely used in metal packaging, transportation and other fields. Among them, the aluminum-magnesium alloy is the addition of magnesium metal to the aluminum base, so that it has the advantages of hot embrittlement, corrosion resistance and oxidative coloring. However, in the process of preparing aluminum-magnesium alloys, the injection speed needs to be faster than that of ordinary aluminum die casting, and the mold retention time is longer, and the hot cracked parts need to be cooled during the cooling process. Due to the thermal...

Claims

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Application Information

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IPC IPC(8): C22C21/06C22C1/04B22F9/04B60K37/00B62D1/04
CPCB22F9/04B22F2009/043B60K37/00B62D1/04C22C1/0416C22C21/06
Inventor 赵斌南吴恩高
Owner KUNSHAN CHAOQUN METAL PROD
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