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Wear-resistant high zinc-aluminum-based bronze substitute material

An aluminum-based and bronze technology, applied in the field of alloy materials, can solve the problems of copper alloy resources reduction, high cost, and use cost reduction, and achieve the effects of reduced material usage, low cost, and use cost reduction

Active Publication Date: 2012-08-08
XIAN SHENGJIN NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of resource reduction and high cost faced by copper alloys in the prior art, as well as the limited use of some copper alloy substitute materials in the prior art, and provide a high-strength, light-weight, wear-resistant, high-zinc-aluminum base Substitute bronze material, which can completely replace copper alloy, and has a better use effect than copper alloy, fully improves the existing wear resistance and reduces friction coefficient, and greatly reduces the cost of use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] In this embodiment, the following components by weight are used: aluminum: 71%; zinc: 27%; copper: 1.5%; manganese: 0.5%.

[0025] Each component of above-mentioned proportioning is processed by following process:

[0026] 1. Ingredients: that is, the raw materials (alloy elements) of each component of the above ratio are weighed in proportion for use;

[0027] 2. Melting: Add all the weighed raw materials (raw materials that have been baked without moisture) into the crucible, heat and melt, then refine, and finally pour the required mold;

[0028] 3. The cooled castings can be processed and used according to the drawings after stress relief treatment.

[0029] 4. It can also be plastically processed into required profiles according to requirements.

[0030] The material after the above process is inspected, and the material inspection is the body sample inspection in the casting. The inspection mainly focuses on the following aspects: σb (strength limit), δ (thickne...

Embodiment 2

[0032] In this embodiment, the ratios of the components used are: aluminum: 72%; zinc: 25%; copper: 2.2%; manganese: 0.8%.

[0033] Each component of the above proportioning ratio is processed according to the processing technology in Example 1, and then inspected, the inspection method is as in Example 1, and the inspection results are: σb≥347.6Mpa; δ≥7.21%; HB≥82.5; density≤ 3.23; friction coefficient ≤0.0798.

Embodiment 3

[0035] In this embodiment, the proportions of the components used are: aluminum: 73%; zinc: 23%; copper: 3.0%; manganese: 1.0%.

[0036] Each component of the above proportioning ratio is processed according to the processing technology in Example 1, and then inspected, the inspection method is as in Example 1, and the inspection results are: σb≥348.2Mpa; δ≥7.03%; HB≥82.8; density≤ 3.25; friction coefficient ≤0.0810.

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Abstract

The invention relates to an alloy material, and in particular discloses a wear-resistant high zinc-aluminum-based bronze substitute material. The material comprises the following components in percentage by weight: 71 to 75 percent of aluminum, 23 to 27 percent of zinc, 1.5 to 3.5 percent of copper and 0.3 to 1.0 percent of manganese. The material can solve the problems that the resources of a copper alloy are reduced and the copper alloy has high cost and the problem of use restriction of certain copper alloy substitute materials in the prior art. The material can completely substitute the copper alloy and has the specific gravity, price and using effect which are superior to those of the copper alloy; the wear resistance of the conventional material is fully improved, the friction coefficient is reduced and the using cost is greatly reduced; and the material has high strength, toughness and wear resistance and can be used as a good substitute material of the copper alloy.

Description

technical field [0001] The invention designs an alloy material, in particular relates to a high-zinc-aluminum-based bronze material with wear resistance. technical background [0002] The traditional material tin bronze alloy is the most common material for worm wheel bearings at home and abroad. Tin bronze alloy has excellent wear resistance, magnificent color and people's usage habits for thousands of years, so copper alloy has naturally become the main material that lasts for a long time. Timber. However, with the decrease of copper alloy resources and the increase of cost, the cost of tin bronze alloy products has risen sharply, so the generation of bronze materials has been developed accordingly. Existing materials such as AZ series zinc alloys have begun to be used to a certain extent, while a large number of copper alloy worm wheel bearing bushes are still being used in large quantities. There is no one in the prior art that can completely replace the bronze alloy pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/10
Inventor 王智民宋跃飞龚奇
Owner XIAN SHENGJIN NEW MATERIAL TECH
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