Die-casting aluminum alloy for 5G communication base station shell and preparation method thereof

A technology of communication base station and cast aluminum alloy, applied in the field of aluminum alloy, can solve the problems such as strength and thermal conductivity need to be further improved, comprehensive performance and corrosion resistance need to be further improved, etc., to achieve high promotion and application value, good refining effect, comprehensive good performance

Inactive Publication Date: 2021-01-15
HEFEI KUNQING MASCH TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its comprehensive performance and corrosion resistance need to be further improved, and its strength and thermal conductivity need to be further improved.

Method used

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  • Die-casting aluminum alloy for 5G communication base station shell and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0026] Embodiment 1 provides a die-casting aluminum alloy for a 5G communication base station housing, characterized in that it includes the following components by weight percentage: 5% Si, 0.05% Tc, 0.01% Cd, 0.07% Nb, 0.01% Ag, 0.02% Ca, 0.06% Sr, 0.5% Cr, 2% Zn, 0.01% Ir, 0.001% B, 0.04% rare earth elements, 0.003% surface metallized graphite alkene, the balance is Al and unavoidable impurities, the content of the unavoidable impurities is not more than 0.01%; the rare earth elements are Gd and La mixed in a mass ratio of 2:3.

[0027] A method for preparing a die-casting aluminum alloy for a 5G communication base station housing, characterized in that it comprises the following steps:

[0028] Step S1, batching according to the weight percentage, adding the obtained mixture into the melting furnace for melting, after all the melting is completed, sampling and testing its chemical composition, comparing the difference between the designed composition and the measured compo...

Embodiment 2

[0034] Embodiment 2 provides a die-casting aluminum alloy for a 5G communication base station housing, characterized in that it includes the following components by weight percentage: 6% Si, 0.06% Tc, 0.02% Cd, 0.08% Nb, 0.015% Ag, 0.03% Ca, 0.065% Sr, 0.7% Cr, 2.5% Zn, 0.015% Ir, 0.0015% B, 0.05% rare earth elements, 0.0035% surface metallized graphite alkene, the balance is Al and unavoidable impurities, the content of the unavoidable impurities is not more than 0.01%; the rare earth elements are Gd and La mixed in a mass ratio of 2:4.

[0035] A method for preparing a die-casting aluminum alloy for a 5G communication base station housing, characterized in that it comprises the following steps:

[0036] Step S1, batching according to the weight percentage, adding the obtained mixture into the melting furnace for melting, after all the melting is completed, sampling and testing its chemical composition, comparing the difference between the designed composition and the measure...

Embodiment 3

[0042] Embodiment 3 provides a die-casting aluminum alloy for a 5G communication base station housing, characterized in that it includes the following components by weight percentage: 6.5% Si, 0.07% Tc, 0.025% Cd, 0.085% Nb, 0.02% Ag, 0.035% Ca, 0.07% Sr, 0.9% Cr, 3% Zn, 0.02% Ir, 0.002% B, 0.055% rare earth elements, 0.004% surface metallized graphite alkene, the balance is Al and unavoidable impurities, the content of the unavoidable impurities is not more than 0.01%; the rare earth elements are Gd and La mixed in a mass ratio of 2:4.5.

[0043] A method for preparing a die-casting aluminum alloy for a 5G communication base station housing, characterized in that it comprises the following steps:

[0044] Step S1, batching according to the weight percentage, adding the obtained mixture into the melting furnace for melting, after all the melting is completed, sampling and testing its chemical composition, comparing the difference between the designed composition and the measur...

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Abstract

The invention discloses a die-casting aluminum alloy for a 5G communication base station shell. The die-casting aluminum alloy is characterized in that the alloy is prepared from the following components in percentage by weight: 5-8% of Si, 0.05-0.09% of Tc, 0.01-0.04% of Cd, 0.07-0.1% of Nb, 0.01-0.03% of Ag, 0.02-0.05% of Ca, 0.06-0.08% of Sr, 0.5-1.2% of Cr, 2-4% of Zn, 0.01-0.03% of Ir, 0.001-0.003% of B, 0.04-0.07% of rare earth element, 0.003-0.005% of surface metallized graphene, and the balance of Al and inevitable impurities. The content of the inevitable impurities does not exceed 0.01%. The invention further provides the preparation method of the die-casting aluminum alloy for the 5G communication base station shell. The die-casting aluminum alloy for the 5G communication base station shell is better in mechanical property and corrosion resistance, better in heat conductivity and die-casting process stability, longer in service life and lighter in weight, and is the first choice of 5G communication base station shell materials.

Description

technical field [0001] The invention relates to the technical field of aluminum alloys, in particular to a die-casting aluminum alloy used for a housing of a 5G communication base station and a preparation method thereof. Background technique [0002] With the rapid development of the global mobile communication market and big data services, wireless network technology has entered the 5G era. , 5G network has the characteristics of ultra-high speed, ultra-large capacity, ultra-low delay, etc., and the application prospect is very broad. In order to adapt to the development of 5G communication technology, wireless communication base stations need higher integration and greater power, and put forward higher requirements for the volume, weight and heat dissipation performance of base stations. Domestic and foreign operators have proposed high thermal conductivity for wireless base stations. , lightweight, low-cost clear indicator requirements. The shell is one of the key comp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/02B22D17/00C22C1/02
CPCB22D17/00C22C1/026C22C1/06C22C21/02
Inventor 邹永超
Owner HEFEI KUNQING MASCH TECH CO LTD
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