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Magnesium alloy as well as preparation method thereof and cavity filter

A cavity filter and magnesium alloy technology, which is applied to waveguide-type devices, electrical components, circuits, etc., can solve the problems of the cavity filter being heavy, and the cavity filter is not conducive to transportation, installation and disassembly, and achieves heat dissipation. Good, enhanced mechanical strength and thermal conductivity, the effect of simple preparation method

Inactive Publication Date: 2017-09-26
SHENZHEN WAVE TELECOMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high density of aluminum, copper or aluminum alloy, the weight of the cavity filter made of it is also relatively large, which makes the cavity filter unfavorable for transportation, installation and disassembly. The bracket also has higher requirements

Method used

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  • Magnesium alloy as well as preparation method thereof and cavity filter

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preparation example Construction

[0037] The present invention also provides a method for preparing a magnesium alloy, comprising the following steps:

[0038] Step 1. Provide raw materials: magnesium ingots, magnesium-samarium master alloys, magnesium-zirconium master alloys and silver-magnesium master alloys, and weigh the raw materials according to the weight percentages of the components in the above-mentioned magnesium alloys;

[0039] Step 2, heating the magnesium ingot under the protection of argon until it is completely melted; when the temperature of the magnesium melt is 700-750°C, such as 700°C, 710°C, 720°C, 730°C, 740°C or 750°C, add The magnesium-samarium master alloy until the magnesium-samarium master alloy is completely melted; then when the temperature is raised to 750-800°C, such as 750°C, 760°C, 770°C, 780°C, 790°C or 800°C, the magnesium - zirconium master alloy, after the magnesium-zirconium master alloy is completely melted, then add silver-magnesium master alloy until completely melted;...

Embodiment 1

[0058] A magnesium alloy cover plate, which comprises the following components by weight percentage: 3% samarium, 0.6% zirconium, 0.02% silver, and the balance is composed of magnesium and unavoidable impurities. Wherein the total impurity content is less than 0.05%.

[0059] Its preparation method is:

[0060] Step 1. Calculate according to the weight percentage of the above-mentioned magnesium alloy components and weigh the raw materials of magnesium ingots, silver-magnesium master alloys, magnesium-samarium master alloys and magnesium-zirconium master alloys with a purity of 99.94%.

[0061] Step 2, performing mechanical grinding on the above-mentioned raw materials to remove scale.

[0062] Step 3: Under the protection of argon, the magnesium ingot is heated by plasma until it is completely melted; when the temperature of the magnesium melt rises to 720°C, add the magnesium-samarium master alloy and stir until it is completely melted; continue to heat up to 780°C At this...

Embodiment 2

[0065] A magnesium alloy cover plate, which comprises the following components in weight percentage: 1.5% samarium, 1.0% zirconium, 0.01% silver, and the balance is composed of magnesium and unavoidable impurities. Wherein the total impurity content is less than 0.05%.

[0066] Its preparation method is:

[0067] Step 1. Calculate according to the weight percentage of the above-mentioned magnesium alloy components and weigh the raw materials of magnesium ingots, silver-magnesium master alloys, magnesium-samarium master alloys and magnesium-zirconium master alloys with a purity of 99.94%.

[0068] Step 2, performing mechanical grinding on the above-mentioned raw materials to remove scale.

[0069] Step 3: Under the protection of argon, heat the magnesium ingot with plasma until it is completely melted; when the temperature of the magnesium melt rises to 710°C, add the magnesium-samarium master alloy and stir until it is completely melted; continue to heat up to 760°C At this ...

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Abstract

The invention provides a magnesium alloy as well as a preparation method thereof and a cavity filter. The magnesium alloy comprises the following components in percentage by weight: 1.5-3.5% of samarium, 0.2%-1.0% of zirconium, 0.01%-0.1% of silver and the balance magnesium. According to the magnesium alloy provided by the invention, a little samarium, zirconium and sliver is added into magnesium, so that casting performances of the magnesium alloy are improved; mechanical strength, heat conduction and the like of magnesium alloy are strengthened; the preparation method for the magnesium alloy is simple; a cavity and a cover body of the cavity filter are made of the magnesium alloy, so that the cavity filter has the advantages of light weight, good mechanical property and good heat radiation, and therefore, production cost of the filter is greatly reduced; and the magnesium alloy is easy to assemble and manufacture.

Description

technical field [0001] The invention relates to the technical field of microwave communication, in particular to a magnesium alloy, a preparation method thereof, and a cavity filter. Background technique [0002] In a base station system for mobile communications, a communication signal carrying communication data within a specific frequency range is usually transmitted through a transmitting antenna, and the communication signal is received through a receiving antenna. The signal received by the receiving antenna includes not only communication signals carrying communication data within the above-mentioned specific frequency range, but also many clutter or interference signals outside the above-mentioned specific frequency range. In order to obtain a communication signal carrying communication data within a specific frequency range transmitted by the transmitting antenna from the signal received by the receiving antenna, it is usually necessary to filter the signal received...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C23/06C22C1/03C22F1/06H01P1/207
CPCC22C23/06C22C1/03C22F1/06H01P1/207
Inventor 庄健郭浩张少林王恩东
Owner SHENZHEN WAVE TELECOMM TECH CO LTD
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