CN101985709B - Wear-resistant high zinc-aluminum-based bronze substitute material - Google Patents
Wear-resistant high zinc-aluminum-based bronze substitute material Download PDFInfo
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- CN101985709B CN101985709B CN2010105343654A CN201010534365A CN101985709B CN 101985709 B CN101985709 B CN 101985709B CN 2010105343654 A CN2010105343654 A CN 2010105343654A CN 201010534365 A CN201010534365 A CN 201010534365A CN 101985709 B CN101985709 B CN 101985709B
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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
The present invention designs a kind of alloy material, particularly relates to a kind of high zinc-aluminium base with wear resisting property for bronze material.
Technical background
The still traditional material tin bronze alloys that domestic and international worm gear bush material is maximum, tin bronze alloys has good wear resistance, has magnificent color and adds people's use habit for thousands of years, so copper alloy becomes the unfailing material of mainly using naturally.But along with the minimizing day by day of copper alloy resource, the rising day by day of cost makes the tin bronze alloys product cost significantly rise, and therefore also develops with regard to corresponding for bronze material.Existing material such as AZ series zinc alloy is brought into use to a certain extent, and a large amount of copper alloy worm gear bearing shells is also continuing a large amount of the use, does not also have in the prior art a kind ofly can replace the bell metal product material comprehensively.
In aluminium base generation,, bronze material was to be that weave construction and the performance of alloy element to improve duraluminum added on the basis with the aluminum metal; Particularly duraluminum is outside maintenance higher intensity, unit elongation and hardness; Improve and heighten duraluminum wear resistance, reduce frictional coefficient, duraluminum is possessed be superior to the wear resistance of copper alloy.Give full play to the proportion advantage of duraluminum, price advantage makes under the situation that worm gear and bearing shell use properties do not reduce, and production cost of products is significantly reduced, and reduces the use cost of bearing under the prerequisite that bearing is improved work-ing life.
At present, aluminium content is lower in domestic a large amount of AZ series zinc alloy product, generally be lower than 50%, and proportion is usually all greater than 4g/cm
3, its performance can not satisfy the use properties requirement fully.
Summary of the invention
The objective of the invention is to solve the central a resource shrinkage that copper alloy faces of prior art; The problem that cost is too high, and the use restricted problem of some copper alloy substitute materials in the prior art provide a kind of high-strength lightweight wear-resistant high aluminum-zinc base for bronze material; This material can replace copper alloy fully; And have the result of use more better, substantially improved existing wear resistance and reduced frictional coefficient, significantly reduce use cost than copper alloy.
For achieving the above object, the technical scheme that the present invention adopts is: the wear-resistant high aluminum-zinc base comprises each component of following weight percent content for bronze material:
Aluminium---71～75%;
Zinc---23～27%;
Copper---1.5～3.5%;
Manganese---0.3～1.0%.
In such scheme, the weight percent content of said each component can also for:
Aluminium---72～75%;
Zinc---23～25%;
Copper---1.7～3.0%;
Manganese---0.4～0.8%.
Material among the present invention is through check, and its each item index is superior to the copper alloy in the middle of the prior art, three important indicators: σ b (breakdown point) wherein, and δ (unit elongation) and HB (hardness) each item index are: σ b >=340Mpa; δ >=7%; HB >=80.Through press working, after the viscous deformation, its strengthening effect is more obvious, its intensity σ b >=455Mpa; δ >=12%; HB >=95.Its proportion (density), frictional coefficient index advantage are more obvious.
Can find out from the characteristic of the invention described above:
1. cost is low: metallic aluminium content cost value is merely about 1/3 of electrolytic copper; The density of aluminium be merely copper 1/3 less than; Take the aluminium of high level in the material mixture ratio of the present invention; Can use duraluminum to replace copper alloy made axle bearing shell, axle sleeve, worm gear etc., its economic benefit and social benefit are considerable.
2. wear resisting property improves: duraluminum has the wear resistance that the frictional coefficient lower than copper alloy become reconciled for bronze material, and is so frictional force reduces in the use, same energy-saving and cost-reducing.Because wear resistance is good, has improved the product service precision work-ing life of having improved product, has reduced use cost.
3. proportion reduces: because the content of aluminium is higher in the material mixture ratio of the present invention, therefore proportion reduces in for bronze, and proportion is about 34% of tinbronze; Reduce more than 30% than AZ series zinc alloy density; The reduction of proportion reduces the material usage quantity, and is energy-saving and cost-reducing, has considerable economic.
In a word, the present invention can solve the too high problem of a resource shrinkage, cost that copper alloy faced in the prior art, and the use restricted problem of some copper alloy substitute materials in the prior art; Its material can replace bell metal fully, and has proportion advantage and price advantage and the result of use more better than bell metal.Its wear resistance that has substantially improved current material with reduce frictional coefficient, significantly reduce use cost, become a kind of have high-strength, H.T., high-wearing feature, can be used as the good substitute material of bell metal.
Embodiment
Through specific embodiment the present invention is done further explanation below:
Embodiment 1
In the present embodiment, adopt each component of following weight percent: aluminium: 71%; Zinc: 27%; Copper: 1.5%; Manganese: 0.5%.
Each component of said ratio is processed through following technology:
1, batching: promptly weighing is for use in proportion each component raw material (alloying element) of said ratio;
2, melting: add all raw materials of weighing (through toasting moisture free raw material) in the crucible, refining again after heating is dissolved is poured into a mould required casting mold at last and is got final product;
3, cooled foundry goods can use by figure paper conversion after stress removing.
4, also can become required section bar to use through plastic working on request.
Material to through above-mentioned technology is tested, and wherein materiology is that body goes the appearance check in foundry goods, and check is primarily aimed at the following aspects: σ b (breakdown point), δ (thickness), HB (hardness), density and frictional coefficient.The material of said ratio is through check, and each item index is: σ b>=345.3Mpa; δ>=7.12%; HB>=81.6; Density≤3.23; Frictional coefficient≤0.0800.
Embodiment 2
In the present embodiment, each component that is adopted according to the proportioning of weight percent is: aluminium: 72%; Zinc: 25%; Copper: 2.2%; Manganese: 0.8%.
Each component of said ratio is processed according to the complete processing among the embodiment 1, test afterwards, check system is as implementing row 1, and assay is: σ b>=347.6Mpa; δ>=7.21%; HB>=82.5; Density≤3.23; Frictional coefficient≤0.0798.
Embodiment 3
In the present embodiment, each component that is adopted according to the proportioning of weight percent is: aluminium: 73%; Zinc: 23%; Copper: 3.0%; Manganese: 1.0%.
Each component of said ratio is processed according to the complete processing among the embodiment 1, test afterwards, check system is as implementing row 1, and assay is: σ b>=348.2Mpa; δ>=7.03%; HB>=82.8; Density≤3.25; Frictional coefficient≤0.0810.
Embodiment 4
In the present embodiment, each component that is adopted according to the proportioning of weight percent is: aluminium: 72%; Zinc: 24%; Copper: 3.5%; Manganese: 0.5%.
Each component of said ratio is processed according to the complete processing among the embodiment 1, test afterwards, check system is as implementing row 1, and assay is: σ b>=347.9Mpa; δ>=7.10%; HB>=83.1; Density≤3.24; Frictional coefficient≤0.0808.
Embodiment 5
In the present embodiment, each component that is adopted according to the proportioning of weight percent is: aluminium: 73%; Zinc: 25%; Copper: 1.7%; Manganese: 0.3%.
Each component of said ratio is processed according to the complete processing among the embodiment 1, test afterwards, check system is as implementing row 1, and assay is: σ b>=344.8Mpa; δ>=7.11%; HB>=81.6; Density≤3.23; Frictional coefficient≤0.0811.
Embodiment 6
In the present embodiment, each component that is adopted according to the proportioning of weight percent is: aluminium: 75%; Zinc: 23%; Copper: 1.6%; Manganese: 0.4%.
Each component of said ratio is processed according to the complete processing among the embodiment 1, test afterwards, check system is as implementing row 1, and assay is: intensity σ b>=345.1Mpa; Unit elongation δ>=7.10%; HB HB>=82.2; Density≤3.21; Frictional coefficient≤0.0811.
Provide the different performance contrast of various embodiments of the invention and current material below, be used to further specify effect of the present invention.
Table 1 the present invention and common tin bronze material, relatively for the bronze material technical indicator
| Intensity (Mpa) | Unit elongation (%) | HB | Density (g/cm 3) | Frictional coefficient | |
| The 10-1 tinbronze | 220～310 | 2～3 | 78.5 | 9 | 0.1020 |
| AZ series zinc alloy | 350 | 3～5 | ≥100 | ≥4.3 | 0.7532 |
| Embodiment 1 | 345.3 | 7.12 | 81.6 | 3.23 | 0.0800 |
| Embodiment 2 | 347.6 | 7.21 | 82.5 | 3.23 | 0.0798 |
| Embodiment 3 | 348.2 | 703 | 82.8 | 3.25 | 0.0810 |
| Embodiment 4 | 347.9 | 7.10 | 83.1 | 3.24 | 0.0808 |
| Embodiment 5 | 344.8 | 7.11 | 81.6 | 3.23 | 0.0811 |
| Embodiment 6 | 345.1 | 7.10 | 82.2 | 3.21 | 0.0811 |
Can find out from last table; The present invention is greatly improved than tinbronze material technology performance in intensity, unit elongation and HB index; Bigger than tinbronze material and its technical indicator reduction amplitude of AZ series zinc alloy material on proportion, frictional coefficient index, can reach high-wearing feature and low-gravity effect, especially utilize high zinc-aluminium sill to substitute the tinbronze material; Have high-strength, H.T., high-wearing feature, can be used as the good substitute material of bell metal.
Aluminum base alloy that the present invention adopts uses as wear resistant alloy, and the characteristics that utilize the cost of aluminium low, proportion are little are an innovative equivalent material in present association area, are with a wide range of applications.
Need to prove that disclosed all characteristics in this specification sheets except mutually exclusive characteristic, all can make up by any way.
Disclosed arbitrary characteristics in this specification sheets (comprising any accessory claim) are only if special narration all can be replaced by other equivalences or the replacement characteristic with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.
Claims (1)
1. the wear-resistant high aluminum-zinc base is characterized in that the weight percent content of said each component is: aluminium: 72% for bronze material; Zinc: 24%; Copper: 3.5%; Manganese: 0.5%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105343654A CN101985709B (en) | 2010-11-08 | 2010-11-08 | Wear-resistant high zinc-aluminum-based bronze substitute material |
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| CN2010105343654A CN101985709B (en) | 2010-11-08 | 2010-11-08 | Wear-resistant high zinc-aluminum-based bronze substitute material |
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| CN101985709A CN101985709A (en) | 2011-03-16 |
| CN101985709B true CN101985709B (en) | 2012-08-08 |
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| CN108842103B (en) * | 2018-08-17 | 2020-07-28 | 烟台市睿丰新材料科技有限公司 | Aluminum-based alloy with high wear resistance, high temperature resistance and low expansion coefficient |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3773502A (en) * | 1969-12-03 | 1973-11-20 | Voest Ag | Aluminum-zinc-alloy |
| US3790373A (en) * | 1970-02-05 | 1974-02-05 | Voest Ag | Alloy on aluminum-zinc-basis |
| EP0725153A1 (en) * | 1994-08-18 | 1996-08-07 | Nisso Metallochemical Co., Ltd. | Aluminum alloy for die casting and ball joint using the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59116355A (en) * | 1982-12-23 | 1984-07-05 | Inoue Japax Res Inc | Electrode material for wire-cut electric spark machining |
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- 2010-11-08 CN CN2010105343654A patent/CN101985709B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3773502A (en) * | 1969-12-03 | 1973-11-20 | Voest Ag | Aluminum-zinc-alloy |
| US3790373A (en) * | 1970-02-05 | 1974-02-05 | Voest Ag | Alloy on aluminum-zinc-basis |
| EP0725153A1 (en) * | 1994-08-18 | 1996-08-07 | Nisso Metallochemical Co., Ltd. | Aluminum alloy for die casting and ball joint using the same |
Non-Patent Citations (1)
| Title |
|---|
| JP昭59-116355A 1984.07.05 |
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