CN100557052C - A kind of Zinc-aluminum based vibration reduction damp alloy material and preparation method - Google Patents
A kind of Zinc-aluminum based vibration reduction damp alloy material and preparation method Download PDFInfo
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- CN100557052C CN100557052C CNB2008101226230A CN200810122623A CN100557052C CN 100557052 C CN100557052 C CN 100557052C CN B2008101226230 A CNB2008101226230 A CN B2008101226230A CN 200810122623 A CN200810122623 A CN 200810122623A CN 100557052 C CN100557052 C CN 100557052C
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Abstract
A kind of Zinc-aluminum based vibration reduction alloy material and preparation method thereof, this alloy material is matrix with the aluminium zinc, on the aluminium zinc matrix, be uniform-distribution with tiny silicon mutually with the magnesium silicon compound mutually, the following chemical components in percentage by weight of this alloy material is: Al is 10%～50%, and Pr is 0.001%～0.01%, and La is 0.001%～0.01%, Ce is 0.001%～0.01%, Mg is 5%～17%, and Si is 6%～10%, and all the other are Zn.Raw material placed in the electric crucible furnace melt, be heated to 690～750 ℃, form zinc, aluminium, silicon, magnesium, lanthanum, praseodymium, cerium alloy liquid; Alloy liquid can be cast into corresponding foundry goods in 5～10 minutes 690～750 ℃ of insulations; The foundry goods that forms places 150 ℃ heat treatment furnace insulation after 0.5 hour, takes out and just obtains required noiseless alloy.This material when improving silicone content, the damping effect that has improved alloy greatly.
Description
One, technical field
The invention belongs to metal material field, relate to a kind of zinc-aluminium vibration reduction damp alloy material and preparation method thereof.
Two, technical background
At present, in metal material field, be subjected to generally paying attention to as damping material with aluminium zinc.CN1045278 has proposed two kinds of gear box of automobile Al-Zn base noiseless alloy.After adopting Al-Zn base noiseless alloy to replace original cast iron or conventional cast aluminium alloy manufacturing mission case, reduce the noise of variator significantly, improved the use properties of casing.A kind of weight percent composition of alloy is: aluminium 22%, and rare earth 0.02%～0.5%, copper 0.5%～1.5%, silicon 0.5%～3%, manganese 0.2%～0.5%, titanium 0.01%～0.5%, boron 0.001%～0.05%, all the other are zinc.The weight percent composition of another kind of alloy is: aluminium 62%, rare earth are 0.02%～0.5%, copper 0.5%～3%, and silicon 3%～8%, manganese 0.2%～0.5%, titanium 0.01%～0.5%, boron 0.001%～0.05%, zirconium 0.01%～0.1%, all the other are zinc.Above-mentioned two kinds of noiseless alloy materials are applicable to the mission case of making light-duty, mini truck and all kinds passenger car.Also can be used to make the housing of instrument.Patent CN101139673 relates to the improvement technology of Zn-Al alloy damping capacity, specifically a kind of Zn-Al-Zr-Si high damping properties noiseless alloy and preparation method thereof and thermal treatment process.This invention is a base with the Zn-22%Al alloy, has added a spot of Zr, Si element, zirconium 0.1%～0.25%, silicon 0.1%～8%.Above-mentioned two pieces of patent documentations adopt the crystal grain of titanium boron zirconium or zirconium refinement aluminium zinc, but the random silicon of bulk that these elements are formed up to 8% silicon silicone content does not have effect mutually substantially.Therefore when high silicon content, cause the fragility of alloy to increase on the contrary, the effect of silicon relative damping can not be fully played.Patent CN1804100 provides a kind of steel or iron material surface galvanizing aluminium vibration-damping alloy prior.The weight percent composition of zinc-aluminium noiseless alloy is: zinc 82%～90%, aluminium 18%～30%; Or zinc 60%～40%, aluminium 40%～60%.Trace alloying element accounts for zinc, two kinds of metal gross weights 0.09%～2.6% of aluminium.Trace alloying element is titanium, magnesium, boron, silicon, cerium.The silicon add-on is zinc, two kinds of metal gross weights 0.5%～1.5% of aluminium.Titanium, magnesium add-on are zinc, two kinds of metal gross weights 0.01%～0.2% of aluminium.The silicon add-on of this patent is little, also is difficult to bring into play the damping effect of silicon.
Three, summary of the invention
Technical problem: purpose of the present invention is exactly at above-mentioned technological deficiency, and a kind of high silicon Zinc-aluminum based vibration reduction damp alloy material and preparation method thereof is provided, this material when improving silicone content, the damping effect that has improved alloy greatly.
Technical scheme: the objective of the invention is to be achieved through the following technical solutions: a kind of Zinc-aluminum based vibration reduction alloy material, this alloy material is matrix with the aluminium zinc, on the aluminium zinc matrix, be uniform-distribution with tiny silicon mutually with the magnesium silicon compound mutually, the following chemical components in percentage by weight of this alloy material is: Al is 10%～50%, and Pr is 0.001%～0.01%, and La is 0.001%～0.01%, Ce is 0.001%～0.01%, Mg is 5%～17%, and Si is 6%～10%, and all the other are Zn.
The preparation method of Zinc-aluminum based vibration reduction alloy material, to account for respectively raw material gross weight 10%～50% Al, 0.001%～0.01% Pr, 0.001%～0.01% La, 0.001%～0.01% Ce, 5%～17% Mg, 6%～10% Si, all the other place fusing in the heating container for the raw material of Zn, be heated to 690～750 ℃, form zinc, aluminium, silicon, magnesium, lanthanum, praseodymium, cerium alloy liquid; Alloy liquid can be cast into corresponding foundry goods in 5～10 minutes 690～750 ℃ of insulations; The foundry goods that forms places 150 ℃ heat treatment furnace insulation after 0.5 hour, takes out and just obtains required noiseless alloy.
Beneficial effect:
By in the zinc-aluminium silicon alloy, adding MAGNESIUM METAL, form the magnesium silicon compound, in the processing by praseodymium cerium lanthanum, refinement matrix grain tissue not only, and also to make be that big block magnesium silicon compound diminishes originally, and all the other do not distribute with silicon disperse in the zinc-aluminium matrix of reactive magnesium, increase the quantity of phase interface, in alloy, formed strengthening phase simultaneously, increased the density of dislocation in the material, in alloy, form the interface of second, third phase and matrix in addition, become new in-fighting source.Improved the damping effect of alloy greatly.Damping capacity is seen the data list among the embodiment 4.The alloy material of the present invention's development does not need to add ceramic particle.Alloy preparation technology is easy, and the alloy material performance of production is good, and production cost is low, is convenient to very much suitability for industrialized production.
Four, description of drawings
Fig. 1 is the metallographic structure figure of noiseless alloy material of the present invention.
Five, specific embodiment
Embodiment 1:
A kind of Zinc-aluminum based vibration reduction alloy material, this alloy material is matrix with the aluminium zinc, on the aluminium zinc matrix, be uniform-distribution with tiny silicon mutually with the magnesium silicon compound mutually, the following chemical components in percentage by weight of this alloy material: Al is 10%, Pr is 0.001%, La is 0.001%, Ce is 0.001%, Mg is 5%, Si is 6%, all the other are Zn.The preparation method of Zinc-aluminum based vibration reduction alloy material will place in the electrical crucible by the raw material that said ratio is formed respectively and melt, and be heated to 690 ℃, form zinc, aluminium, silicon, magnesium, lanthanum, praseodymium, cerium alloy liquid; Alloy liquid can be cast into corresponding foundry goods in 5 minutes 690 ℃ of insulations; The foundry goods that forms places 150 ℃ heat treatment furnace insulation after 0.5 hour, takes out and just obtains required noiseless alloy.
Embodiment 2:
A kind of Zinc-aluminum based vibration reduction alloy material, this alloy material is matrix with the aluminium zinc, on the aluminium zinc matrix, be uniform-distribution with tiny silicon mutually with the magnesium silicon compound mutually, the following chemical components in percentage by weight of this alloy material: Al is 50%, Pr is 0.01%, La is 0.01%, Ce is 0.01%, Mg is 17%, Si is 10%, all the other are Zn.The preparation method of Zinc-aluminum based vibration reduction alloy material will place in the electrical crucible by the raw material that said ratio is formed respectively and melt, and be heated to 750 ℃, form zinc, aluminium, silicon, magnesium, lanthanum, praseodymium, cerium alloy liquid; Alloy liquid can be cast into corresponding foundry goods in 10 minutes 750 ℃ of insulations; The foundry goods that forms places 150 ℃ heat treatment furnace insulation after 0.5 hour, takes out and just obtains required noiseless alloy.
Embodiment 3:
A kind of Zinc-aluminum based vibration reduction alloy material, this alloy material is matrix with the aluminium zinc, on the aluminium zinc matrix, be uniform-distribution with tiny silicon mutually with the magnesium silicon compound mutually, the following chemical components in percentage by weight of this alloy material: Al is 30%, Pr is 0.005%, La is 0.005%, Ce is 0.005%, Mg is 10%, Si is 8%, all the other are Zn.The preparation method of Zinc-aluminum based vibration reduction alloy material will place in the electrical crucible by the raw material that said ratio is formed respectively and melt, and be heated to 700 ℃, form zinc, aluminium, silicon, magnesium, lanthanum, praseodymium, cerium alloy liquid; Alloy liquid can be cast into corresponding foundry goods in 8 minutes 700 ℃ of insulations; The foundry goods that forms places 150 ℃ heat treatment furnace insulation after 0.5 hour, takes out and just obtains required noiseless alloy.
Embodiment 4:
| The alloy numbering | Composition (weight percent) | Ratio of damping Q -1 | Frequency/hertz |
| Comparative alloy | Al is 10%, and all the other are Zn | 0.028 | 2500 |
| Comparative alloy | Al is 40%, and all the other are Zn | 0.038 | 2500 |
| This case 1 | Al 10%, and Pr 0.005%, La0.001%, and Ce0.005%, Mg10%, Si6%, all the other are Zn | 0.092 | 2500 |
| This case 2 | Al 40%, and Pr 0.01%, and La 0.001%, Ce0.001%, and Mg5%, Si8%, all the other are Zn | 0.101 | 2500 |
Claims (2)
1, a kind of Zinc-aluminum based vibration reduction alloy material, it is characterized in that: this alloy material is matrix with the aluminium zinc, on the aluminium zinc matrix, be uniform-distribution with tiny silicon mutually with the magnesium silicon compound mutually, the following chemical components in percentage by weight of this alloy material is: Al is 10%～50%, and Pr is 0.001%～0.01%, and La is 0.001%～0.01%, Ce is 0.001%～0.01%, Mg is 5%～17%, and Si is 6%～10%, and all the other are Zn.
2, the preparation method of the described Zinc-aluminum based vibration reduction alloy material of claim 1, it is characterized in that: will account for respectively raw material gross weight 10%～50% Al, 0.001%～0.01% Pr, 0.001%～0.01% La, 0.001%～0.01% Ce, 5%～17% Mg, 6%～10% Si, all the other place fusing in the heating container for the raw material of Zn, be heated to 690～750 ℃, form zinc, aluminium, silicon, magnesium, lanthanum, praseodymium, cerium alloy liquid; Alloy liquid can be cast into corresponding foundry goods in 5～10 minutes 690～750 ℃ of insulations; The foundry goods that forms places 150 ℃ heat treatment furnace insulation after 0.5 hour, takes out and just obtains required noiseless alloy.
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| CN101781727B (en) * | 2010-02-23 | 2012-01-25 | 南京信息工程大学 | Zinc-aluminum-base heat-resistant, wear-resistant and anti-friction alloy material and preparation method thereof |
| CN101781725B (en) * | 2010-02-23 | 2011-11-16 | 南京信息工程大学 | Wear-resisting zinc aluminum-base alloy material and preparation method thereof |
| CN105575572A (en) * | 2014-11-07 | 2016-05-11 | 兴化市雅兰机械制造有限公司 | Method for producing high voltage conducting wire damping resistor |
| CN106702231B (en) * | 2016-12-05 | 2018-07-03 | 佛山新瑞科创金属材料有限公司 | A kind of aluminium base high damping alloy with high thermal conductivity and preparation method thereof |
| CN112759806B (en) * | 2021-01-18 | 2023-05-09 | 广东贝洛新材料科技有限公司 | Preparation method of damping material |
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