CN101876038B - Copper alloy based diatomite, pumice and ferric oxide composite material and preparation method thereof - Google Patents
Copper alloy based diatomite, pumice and ferric oxide composite material and preparation method thereof Download PDFInfo
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- CN101876038B CN101876038B CN2010102203036A CN201010220303A CN101876038B CN 101876038 B CN101876038 B CN 101876038B CN 2010102203036 A CN2010102203036 A CN 2010102203036A CN 201010220303 A CN201010220303 A CN 201010220303A CN 101876038 B CN101876038 B CN 101876038B
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Abstract
The invention provides a copper alloy based diatomite, pumice and ferric oxide composite material and a preparation method thereof. The composite material has high absorbing property and excellent damping property. The preparation method is simple in process, low in production cost and suitable for industrialized production. The composite material takes the copper alloy as the matrix and diatomite, pumice and ferric oxide compounds are distributed on the matrix. The diatomite, pumice and ferric oxide compounds account for 45-50% of the composite material by volume. The copper alloy matrix comprises the following chemical components in percentage by weight: 3-5% of Al, 0.01-0.05% of Ti, 0.5-1% of Sn, 0.005-0.01% of Nd and the balance Cu.
Description
One, technical field
The invention belongs to metal material field, relate to a kind of copper alloy based diatomite, pumice red stone and inhale ripple vibration damping composite material and preparation method thereof and preparation method thereof.
Two, background technology
Belong at present in the field of materials, the suction ripple damping effect of material has been received attention.
CN200410023374.1 number application relates to a kind of aluminium base absorbing material and preparation method thereof; It is characterized in that: adopt direct current or one step of alternating-current or two-step anodic oxidization method to form multiaperture pellumina in aluminium or copper alloy plate top layer; Process aluminium-based porous alumina formwork, i.e. the AAO template; Adopt direct current or pulsed current electrochemical deposition in aluminium base AAO porous-film, to assemble the magnetic Nano array of metal lines, process the aluminium base absorbing material of top layer assemble in situ magnetic Nano linear array.The shortcoming of this method is that the requirement technical difficulty is high.
CN200910071958.9 number application proposes ceramic whisker/ferromagnetic metal composite wave-absorbing material and preparation method thereof, and it relates to a kind of electromagnetic-power-absorbing composite and preparation method thereof that is used for.The ceramic whisker that the surface is coated with ferromagnetic metal coating is that 300～400 ℃, heat-treating atmosphere are thermal treatment 60 minutes under the condition of hydrogen or argon gas in temperature, promptly gets ceramic whisker/ferromagnetic metal composite wave-absorbing material.The shortcoming of this method is that ceramic whisker surface is coated with ferromagnetic metal coating, and ferromagnetic metal is prone to come off in the processing.
CN200810219444.9 number application discloses a kind of preparation method of particle reinforced damping porous nickel-titanium memory alloy based composite material.Adopt the step powder sintering; The silicon or the alumina particle of nickel, titanium metal powder and controlled material are pressed into green compact behind the uniform mixing by a certain percentage; Silicon grain or alumina particle account for 5～15% of green compact weight, take step type of heating Integratively sintering and make matrix material.The shortcoming of this material is that absorbing property is poor.
Three, summary of the invention
The object of the invention is exactly to above-mentioned technological deficiency, and a kind of copper alloy based diatomite, pumice ferric oxide composite material is provided, and this matrix material absorbing property is high, and has superior damping capacity.
Another object of the present invention provides the preparation method of copper alloy based diatomite, pumice ferric oxide composite material, and this preparing method's technology is simple, and production cost is low, is suitable for suitability for industrialized production.
The objective of the invention is to realize through following technical scheme:
A kind of copper alloy based diatomite, pumice ferric oxide composite material, this matrix material are matrix with the copper alloy, the diatomite, pumice red stone that on matrix, distributing mixture; The volume percent that diatomite, pumice red stone mixture accounts for matrix material is 45-50%; The following chemical components in percentage by weight of this copper alloy matrix: Al is 3%～5%, and Ti is 0.01%～0.05%, and Sn is 0.5%-1%, and Nd is 0.005%-0.01%, and all the other are Cu.
A kind of preparation method of copper alloy based diatomite, pumice ferric oxide composite material is characterized in that: it may further comprise the steps:
A. the preparation of diatomite, pumice red stone mixture: pack iron(ic)chloride and ferrous ammonium sulphate in the hydro-thermal container of being with teflon lined into earlier; (adding less water to dissolving gets final product) is dissolved in water; Reinstall zeyssatite and float stone mixture, diatomite particle is of a size of 0.1-0.4mm, and the float stone particulate is of a size of 0.5-1mm; Zeyssatite and pumiceous weight ratio are 0.5-1 in the diatomite, pumice mixture: 1; Stir above material and reach 4-8min, the weight ratio of iron(ic)chloride, ferrous ammonium sulphate and diatomite, pumice mixture is 1: 1: 1-2, and naturally cooling just obtains zeyssatite red stone mixture after will stirring baking oven that thing places 240 ℃ after stir finishing and being incubated 3h;
B. the preparation of iron fiber: to contain Cu be 0.003%-0.09% to percentage by weight, and Sm is 0.003%-0.09%, and all the other are prepared burden for Fe, and raw material places fusing in the riser pipe that has heating unit and forms iron alloy liquid, and temperature of fusion is 1560-1580 ℃; The riser pipe bottom is set with plunger; Plunger can move along riser pipe is upper and lower under PWR PLT drive, and can liquid level in the riser pipe be raised when moving on the plunger, thereby be convenient to the runner flange alloy liquid is extracted; Form iron fiber, runner adopts wheel rim that the water-cooled copper alloy runner of flange is arranged.Alloy liquid contacts with the water-cooled copper alloy runner flange of rotation through riser pipe, and water-cooled copper alloy runner runner flange is extracted alloy liquid, forms the alloy material fiber, and the LV of runner flange is 19-21m/s, and the diameter of iron fiber is 10-45 μ m; Runner is opened the runner water-cooling system before opening and changeing, and the water-cooling system inflow temperature is less than 30 ℃;
C. be that the cavity that 7: 1 iron fiber and zeyssatite red stone mixture put into the water cooled steel molding jig of the logical vacuum system in bottom forms the mixture precast body with length-to-diameter ratio then; The weight percent that iron fiber accounts for zeyssatite red stone mixture is 2%, and control mixture precast body accounts for the 45-50% of metal die cavity volume; Open the water-cooling system of steel die, the control inflow temperature is 20-30 ℃.
D. the preparation of copper alloy liquid: with weight percentage Al is 3%～5%, and Ti is 0.01%～0.05%, and Sn is 0.5%-1%, and Nd is 0.005%-0.01%, and all the other are the raw material of Cu, under 1280-1320 ℃ of temperature, is fused into alloy liquid;
E. open vacuum system; The relative vacuum degree of controlling in the above-mentioned steel die is-30Kpa; With above-mentioned copper alloy liquid pour into the preparatory body of mixture in the steel die cavity above; Copper alloy liquid infiltrates the gap in the mixture precast body under the vacuum pressure effect, alloy liquid solidifies at the mould internal cooling, forms the copper alloy based diatomite, pumice ferric oxide composite material.
It is following that the present invention compares the beneficial effect of prior art:
Float stone among the present invention, zeyssatite space are big, are easy to admit red stone, red stone (Fe
3O
4) be in float stone, the diatomaceous space, form float stone, zeyssatite red stone mixture that red stone can not be scattered, thereby become matrix material and absorb electromagnetic solid material center.Float stone is different with diatomaceous space, holds the different amts of iron and cobalt/cobalt oxide, is beneficial to electromagnetic quick decay.
Red stone is in float stone, the diatomaceous space, does not contact with copper alloy liquid, therefore can not cause the oxidation of copper alloy;
Sn in the copper alloy can promote copper alloy to combine with float stone, diatomaceous interface.Ti in the copper alloy and Nd can reduce the particle of copper alloy, improve the intensity of matrices of composite material.Solid float stone, zeyssatite red stone mixture can improve the compressive property of copper alloy composite material.These can both improve the mechanical property of copper alloy based float stone, zeyssatite ferric oxide composite material.
The effect of iron fiber is the intensity that improves matrices of composite material.
Alloy property of the present invention is seen table 1.
Float stone, zeyssatite space are big, are easy to admit red stone, therefore stir in the preparation with heat-up time and all lack, and be with short production cycle.
Composite material preparation process is easy, and the matrix material of production has certain excellent damping performance, and absorbing property is superior simultaneously, and production cost is low, is convenient to very much suitability for industrialized production.
Four, description of drawings
The metallographic structure of the copper alloy based diatomite, pumice ferric oxide composite material that Fig. 1 makes for the embodiment of the invention one.By
Fig. 1 can see and on copper alloy matrix, is distributed with zeyssatite red stone complex body.
Five, embodiment
Below each embodiment only with of the present invention the explaining of opposing, weight percent wherein all can change weight g, kg or other weight unit into.
Embodiment one:
The preparation process of copper alloy based diatomite, pumice ferric oxide composite material of the present invention is following:
A. the preparation of diatomite, pumice red stone mixture: pack iron(ic)chloride and ferrous ammonium sulphate in the hydro-thermal container of being with teflon lined into earlier; (adding less water to dissolving gets final product) is dissolved in water; Reinstall zeyssatite and float stone mixture, diatomite particle is of a size of 0.2mm, and the float stone particulate is of a size of 0.6mm; Zeyssatite and pumiceous weight ratio are 0.5: 1 in the diatomite, pumice mixture; Stir above material and reach 4-8min, the weight ratio of iron(ic)chloride, ferrous ammonium sulphate and diatomite, pumice mixture is 1: 1: 1, and naturally cooling just obtains zeyssatite red stone mixture after will stirring baking oven that thing places 240 ℃ after stir finishing and being incubated 3h;
B. the preparation of iron fiber: to contain Cu be 0.003% to percentage by weight, and Sm is 0.003%, and all the other are prepared burden for Fe, and raw material places fusing in the riser pipe that has heating unit and forms iron alloy liquid, and temperature of fusion is 1560-1580 ℃; The riser pipe bottom is set with plunger; Plunger can move along riser pipe is upper and lower under PWR PLT drive, and can liquid level in the riser pipe be raised when moving on the plunger, thereby be convenient to the runner flange alloy liquid is extracted; Form iron fiber, runner adopts wheel rim that the water-cooled copper alloy runner of flange is arranged.Alloy liquid contacts with the water-cooled copper alloy runner flange of rotation through riser pipe, and water-cooled copper alloy runner runner flange is extracted alloy liquid, forms the alloy material fiber, and the LV of runner flange is 19-21m/s, and the diameter of iron fiber is 10-45 μ m; Runner is opened the runner water-cooling system before opening and changeing, and the water-cooling system inflow temperature is less than 30 ℃;
C. the preparation of mixture precast body: be that the cavity of the water cooled steel molding jig of 7: 1 iron fiber and the zeyssatite red stone mixture logical vacuum system in bottom of putting into heating unit forms the mixture precast body with length-to-diameter ratio then; The weight percent that iron fiber accounts for zeyssatite red stone mixture is 2%, and control mixture precast body accounts for the 45-50% of metal die cavity volume; Open the water-cooling system of steel die, the control inflow temperature is 20-30 ℃.
D. the preparation of copper alloy liquid: with the weight percentage of weight percentage copper alloy composition is that Al is 3%, and Ti is 0.01%%, and Sn is 0.5%, and Nd is 0.005%, and all the other are Cu, under 1280-1320 ℃ of temperature, are fused into alloy liquid;
E. open vacuum system; The relative vacuum degree of controlling in the above-mentioned steel die is-30Kpa; With above-mentioned copper alloy liquid pour into the preparatory body of mixture in the steel die cavity above; Copper alloy liquid infiltrates the gap in the mixture precast body under the vacuum pressure effect, alloy liquid solidifies at the mould internal cooling, forms the copper alloy based diatomite, pumice ferric oxide composite material.
Embodiment two:
A. the preparation of diatomite, pumice red stone mixture: the weight ratio of iron(ic)chloride, ferrous ammonium sulphate and diatomite, pumice mixture is 1: 1: 2; Zeyssatite and pumiceous weight ratio are 1: 1 in the diatomite, pumice mixture; Diatomite particle is of a size of 0.4mm, and the float stone particulate is of a size of 1mm.
B. the preparation of iron fiber: to contain Cu be 0.09% to percentage by weight, and Sm is 0.006%, and all the other are prepared burden for Fe;
C. the preparation of mixture precast body: the volume percent that control diatomite, pumice red stone mixture accounts for matrix material is 45-50%.
D. the preparation of copper alloy liquid: the weight percentage of copper alloy composition is that Al is 5%, and Ti is 0.05%, and Sn is 1%, and Nd is 0.01%, and all the other are Cu.
The preparation process is with embodiment one.
Embodiment three:
A. the preparation of diatomite, pumice red stone mixture: the weight ratio of iron(ic)chloride, ferrous ammonium sulphate and diatomite, pumice mixture is 1: 1: 1.5; Zeyssatite and pumiceous weight ratio are 0.7: 1 in the diatomite, pumice mixture; Diatomite particle is of a size of 0.3mm; The float stone particulate is of a size of 0.6mm
B. the preparation of iron fiber: to contain Cu be 0.006% to percentage by weight, and Sm is 0.006%, and all the other are prepared burden for Fe,
C. the preparation of mixture precast body: the volume percent that control diatomite, pumice red stone mixture accounts for matrix material is 45-50%.
D. the preparation of copper alloy liquid: the weight percentage of copper alloy composition is that Al is 4%, and Ti is 0.035%, and Sn is 0.71%, and Nd is 0.008%, and all the other are Cu.
The preparation process is with embodiment one.
Embodiment four: (proportioning raw materials is the instance in ratio range of the present invention not)
A. the preparation of diatomite, pumice red stone mixture: the weight ratio of iron(ic)chloride, ferrous ammonium sulphate and diatomite, pumice mixture is 1: 1: 0.8; Zeyssatite and pumiceous weight ratio are 0.4: 1 in the diatomite, pumice mixture; Diatomite particle is of a size of 0.08mm; The float stone particulate is of a size of 0.4mm
B. the preparation of iron fiber: to contain Cu be 0.001% to percentage by weight, and Sm is 0.1%, and all the other are prepared burden for Fe,
C. the preparation of mixture precast body: the volume percent that control diatomite, pumice red stone mixture accounts for matrix material is 45-50%.
D. the preparation of copper alloy liquid: the weight percentage of copper alloy composition is that Al is 2%, and Ti is 0.005%, and Sn is 0.4%, and Nd is 0.0041%, and all the other are Cu.
The preparation process is with embodiment one.
Embodiment five: (proportioning raw materials is the instance in ratio range of the present invention not)
A. the preparation of diatomite, pumice red stone mixture: the weight ratio of iron(ic)chloride, ferrous ammonium sulphate and diatomite, pumice mixture is 1: 1: 2.1; Zeyssatite and pumiceous weight ratio are 1.2: 1 in the diatomite, pumice mixture; Diatomite particle is of a size of 0.5mm; The float stone particulate is of a size of 1.1mm
B. the preparation of iron fiber: to contain Cu be 0.12% to percentage by weight, and Sm is 0.001%, and all the other are prepared burden for Fe,
C. the preparation of mixture precast body: the volume percent that control diatomite, pumice red stone mixture accounts for matrix material is 45-50%.
D. the preparation of copper alloy liquid: the weight percentage of copper alloy composition is that Al is 6%, and Ti is 0.06%, and Sn is 1.2%, and Nd is 0.02%, and all the other are Cu.
The preparation process is with embodiment one.
Following table is the alloy property synopsis of different components and proportioning:
Table 1
Copper alloy based diatomite, pumice ferric oxide composite material among the present invention, the particle size of mixture is too small, has both reduced suction ripple unit, has reduced suction intensity of wave and vibration damping intensity, is unfavorable for the matrix material manufacturing again; The particle size of mixture is excessive, inhales the ripple unit and increases, and has reduced to inhale the unitary quantity of ripple in the unit matrix material volume, also is unfavorable for inhaling ripple and vibration damping.
When the copper alloy based diatomite, pumice ferric oxide composite material prepared, diatomite, pumice quantity was too small, and iron(ic)chloride, ferrous ammonium sulphate are difficult for all getting into the diatomite, pumices gaps, and the total red stone quantity of matrix material is few, inhales a little less than the intensity of wave; Diatomite, pumice quantity is too much, be difficult for to form perfect matrix material, and the red stone quantity of holding in the diatomite, pumice gap is few, inhale intensity of wave also a little less than.
When the copper alloy based diatomite, pumice ferric oxide composite material prepares; Zeyssatite quantity is very few or diatomite particle is too small; At a distance from not opening the diatomite, pumice particle; Be unfavorable for the infiltration of copper alloy liquid, zeyssatite quantity is too much or diatomite particle is excessive, can influence the mechanical property of Al-alloy based diatomite, pumice barium ferric oxide composite material.
Al in the copper alloy matrix, Ti, Sn are in the application's scope, and matrix material has good performance.These elements exceed the application's ratio range, and frangible compounds quantity is many, and copper alloy is difficult to be combined with the diatomite, pumice interface, and the mechanical property of copper alloy self reduces, and also reduces the wave absorbtion and the vibration damping property of matrix material greatly.
Claims (1)
1. copper alloy based diatomite, pumice ferric oxide composite material, this matrix material are through following method preparation, and concrete steps are following:
A. the preparation of diatomite, pumice red stone mixture: pack iron(ic)chloride and ferrous ammonium sulphate in the hydro-thermal container of being with teflon lined into earlier; Be dissolved in water; Reinstall zeyssatite and float stone mixture, diatomite particle is of a size of 0.1-0.4mm, and the float stone particulate is of a size of 0.5-1mm; Zeyssatite and pumiceous weight ratio are (0.5-1) in the diatomite, pumice mixture: 1; Stir above material and reach 4-8min, the weight ratio of iron(ic)chloride, ferrous ammonium sulphate and diatomite, pumice mixture is 1: 1: (1-2), naturally cooling just obtains diatomite, pumice red stone mixture after will stirring baking oven that thing places 240 ℃ after stir finishing and being incubated 3h; Wherein red stone is Fe
3O
4
B. the preparation of iron fiber: percentage composition Cu is 0.003%-0.09% by weight, and Sm is 0.003%-0.09%, and all the other are prepared burden for Fe, and raw material places fusing in the riser pipe that has heating unit and forms iron alloy liquid; Temperature of fusion is 1560-1580 ℃; Alloy liquid contacts with the water-cooled copper alloy runner flange of rotation through riser pipe, and water-cooled copper alloy runner flange is extracted alloy liquid, forms the alloy material fiber, and the LV of runner flange is 19-21m/s, and the diameter of iron fiber is 10-45 μ m; Runner is opened the runner water-cooling system before opening and changeing, and the water-cooling system inflow temperature is less than 30 ℃;
C. be that the cavity that 7: 1 iron fiber and diatomite, pumice red stone mixture put into the water cooled steel molding jig of the logical vacuum system in bottom forms the mixture precast body with length-to-diameter ratio then; The weight percent that iron fiber accounts for diatomite, pumice red stone mixture is 2%, and control mixture precast body accounts for the 45-50% of metal die cavity volume; Open the water-cooling system of steel die, the control inflow temperature is 20-30 ℃;
D. the preparation of copper alloy liquid: with weight percentage Al is 3%～5%, and Ti is 0.01%～0.05%, and Sn is 0.5%-1%, and Nd is 0.005%-0.01%, and all the other are the raw material of Cu, under 1280-1320 ℃ of temperature, is fused into alloy liquid;
E. open vacuum system; The relative vacuum degree of controlling in the above-mentioned steel die is-30KPa; With above-mentioned copper alloy liquid pour into mixture precast body in the steel die cavity above; Copper alloy liquid is infiltrated the gap in the mixture precast body under the vacuum pressure effect, alloy liquid solidifies at the mould internal cooling, forms the copper alloy based diatomite, pumice ferric oxide composite material.
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| CN101003885A (en) * | 2007-01-19 | 2007-07-25 | 哈尔滨工业大学 | Composite building block of fiber enhanced intermetallic compound, and preparation method |
| CN101440439A (en) * | 2008-11-26 | 2009-05-27 | 华南理工大学 | Preparation of particle reinforced damping porous nickel-titanium memory alloy based composite material |
| CN101546610A (en) * | 2009-05-06 | 2009-09-30 | 哈尔滨工业大学 | Ceramic whisker/ferromagnetic metal composite wave-absorbing material and preparation method thereof |
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2010
- 2010-07-06 CN CN2010102203036A patent/CN101876038B/en not_active Expired - Fee Related
Patent Citations (4)
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|---|---|---|---|---|
| CN1715458A (en) * | 2004-06-30 | 2006-01-04 | 中南大学 | Aliminium base wave absorbing material and preparing method |
| CN101003885A (en) * | 2007-01-19 | 2007-07-25 | 哈尔滨工业大学 | Composite building block of fiber enhanced intermetallic compound, and preparation method |
| CN101440439A (en) * | 2008-11-26 | 2009-05-27 | 华南理工大学 | Preparation of particle reinforced damping porous nickel-titanium memory alloy based composite material |
| CN101546610A (en) * | 2009-05-06 | 2009-09-30 | 哈尔滨工业大学 | Ceramic whisker/ferromagnetic metal composite wave-absorbing material and preparation method thereof |
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Effective date of registration: 20151211 Address after: 225732 Jiangsu city of Taizhou province Xinghua City duo Zhen Industrial Zone di Patentee after: XINGHUA XINGCHENG COPPER CO., LTD. Address before: 210044 Nanjing City, Pukou Province, Nanjing Road, No. 219, No. six, No. Patentee before: Nanjing University of Information Science and Technology |
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Granted publication date: 20120822 Termination date: 20190706 |