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5G filter cover plate 6M61 aluminum alloy base material and preparing technology thereof

An aluminum alloy base and preparation process technology, applied in the field of aluminum alloy plate manufacturing, can solve the problems of lack of 5G filter cover plate, etc., and achieve the effects of stable work, good machinability, and improved hardness and wear resistance

Active Publication Date: 2020-01-24
河南明晟新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is currently a lack of aluminum alloy substrates for 5G filter cover plates on the market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A 6M61 aluminum alloy base material for a 5G filter cover plate, comprising the following components in weight percentage: Si=0.60%, Fe≤0.30%, Cu=0.20%, Mn≤0.10%, Mg=1.0%, Cr=0.20 %, Zn≤0.10%, Ti=0.03%, Al and other unavoidable elements, said other unavoidable individual elements≤0.05%, total≤0.15%.

[0026] The preparation process of the 6M61 aluminum alloy base material for the 5G filter cover plate is characterized in that it comprises the following preparation steps:

[0027] S1. Weigh the aforementioned ingredients according to weight percentage and put them into a melting furnace for melting at 700-750°C. After removing slag and filtering, cast the molten aluminum into aluminum alloy ingots;

[0028] S2. After the aluminum alloy ingot obtained in step S1 is uniformly thermally treated, the head and the tail are cut off and the surface is milled to obtain a pretreated alloy ingot;

[0029] S3. Preheating the pretreated alloy ingot obtained in step S2, and then hot...

Embodiment 2

[0041] A 6M61 aluminum alloy substrate for a 5G filter cover plate, comprising the following components in weight percentage: Si=0.56%, Fe≤0.30%, Cu=0.22%, Mn≤0.10%, Mg=1.1%, Cr=0.20 %, Zn≤0.10%, Ti=0.025%, Al and other unavoidable elements, said other unavoidable individual elements≤0.05%, total≤0.15%.

[0042] The preparation process of the 6M61 aluminum alloy base material for the 5G filter cover plate is characterized in that it comprises the following preparation steps:

[0043] S1. Weigh the aforementioned ingredients according to weight percentage and put them into a melting furnace for melting at 700-750°C. After removing slag and filtering, cast the molten aluminum into aluminum alloy ingots;

[0044] S2. After the aluminum alloy ingot obtained in step S1 is uniformly thermally treated, the head and the tail are cut off and the surface is milled to obtain a pretreated alloy ingot;

[0045] S3. Preheating the pretreated alloy ingot obtained in step S2, and then hot-ro...

Embodiment 3

[0057] A 6M61 aluminum alloy base material for a 5G filter cover plate, comprising the following components in weight percentage: Si=0.50%, Fe≤0.30%, Cu=0.20%, Mn≤0.10%, Mg=0.9%, Cr=0.20 %, Zn≤0.10%, Ti=0.02%, Al and other unavoidable elements, said other unavoidable individual elements≤0.05%, total≤0.15%.

[0058] The preparation process of the 6M61 aluminum alloy base material for the 5G filter cover plate is characterized in that it comprises the following preparation steps:

[0059] S1. Weigh the aforementioned ingredients according to weight percentage and put them into a melting furnace for melting at 700-750°C. After removing slag and filtering, cast the molten aluminum into aluminum alloy ingots;

[0060] S2. After the aluminum alloy ingot obtained in step S1 is uniformly thermally treated, the head and the tail are cut off and the surface is milled to obtain a pretreated alloy ingot;

[0061] S3. Preheating the pretreated alloy ingot obtained in step S2 and then hot ...

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Abstract

The invention relates to a 5G filter cover plate 6M61 aluminum alloy base material. The 5G filter cover plate 6M61 aluminum alloy base material comprises following components including, by weight percent, 0.50%-0.65% of Si, smaller than or equal to 0.30% of Fe, 0.15%-0.25% of Cu, smaller than or equal to 0.10% of Mn, 0.90%-1.10% of Mg, 0.15%-0.25% of Cr, smaller than or equal to 0.10% of Zn, 0.002%-0.035% of Ti, AL and other inevitable elements, the content of other inevitable single elements is smaller than or equal to 0.05%, and the sum is smaller than or equal to 0.15%. After the above element mixtures are smelted and cast in a smelting furnace into an aluminum alloy ingot, uniform thermalization treatment is conducted, hot rolling and cold rolling are conducted to intermediate annealing, repeated cold rolling is conducted, stretch bending straightening cleaning and plate form stretching straightening are conducted, and then an aluminum alloy plate meeting the requirement is manufactured. The aluminum alloy plate prepared through the technology has good machining performance and oxidation performance, and the 5G filter cover plate 6M61 aluminum alloy base material is suitable for machining during filter cover plate production.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloy plate manufacturing, and in particular relates to a 6M61 aluminum alloy base material for a 5G filter cover plate and a preparation process thereof. Background technique [0002] As a frequency selective device, cavity filters are widely used in the field of communication, especially in the field of 5G radio frequency communication. In the base station, the filter is used to select the communication signal and filter out the clutter or interference signal outside the frequency of the communication signal. The cavity filter includes the cavity, the cover plate, the inner / outer conductor of the connector, etc. In order to ensure the precision of the cavity shell, the aluminum material used is required to have good rigidity, non-magnetic, machinability, and good heat dissipation. In particular, good heat dissipation can reduce the influence of temperature changes on the structure of the filte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08C22C1/02C22F1/047B21C37/02
CPCB21C37/02C22C1/026C22C21/08C22F1/047
Inventor 宋喜波李克振柴明科
Owner 河南明晟新材料科技有限公司
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