CN105803240B - A kind of porous foam metal material preparation method - Google Patents
A kind of porous foam metal material preparation method Download PDFInfo
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- CN105803240B CN105803240B CN201610206403.0A CN201610206403A CN105803240B CN 105803240 B CN105803240 B CN 105803240B CN 201610206403 A CN201610206403 A CN 201610206403A CN 105803240 B CN105803240 B CN 105803240B
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- porous foam
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- 239000006260 foam Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000007769 metal material Substances 0.000 title claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 40
- 239000002184 metal Substances 0.000 claims abstract description 40
- 239000000428 dust Substances 0.000 claims abstract description 32
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 230000018044 dehydration Effects 0.000 claims abstract description 23
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 23
- 238000005245 sintering Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000005336 cracking Methods 0.000 claims abstract description 9
- 238000009766 low-temperature sintering Methods 0.000 claims abstract description 9
- 238000007788 roughening Methods 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims description 62
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 45
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 39
- 239000003292 glue Substances 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 22
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 22
- 239000004568 cement Substances 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 21
- 229920001971 elastomer Polymers 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 19
- 239000000853 adhesive Substances 0.000 claims description 18
- 230000001070 adhesive effect Effects 0.000 claims description 18
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 230000003647 oxidation Effects 0.000 claims description 16
- 238000007254 oxidation reaction Methods 0.000 claims description 16
- 239000013530 defoamer Substances 0.000 claims description 15
- 238000002386 leaching Methods 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910002804 graphite Inorganic materials 0.000 claims description 13
- 239000010439 graphite Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 239000008367 deionised water Substances 0.000 claims description 11
- 229910021641 deionized water Inorganic materials 0.000 claims description 11
- 238000007667 floating Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 239000003513 alkali Substances 0.000 claims description 8
- 229910021529 ammonia Inorganic materials 0.000 claims description 8
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 claims description 8
- 230000001788 irregular Effects 0.000 claims description 8
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 229920005573 silicon-containing polymer Polymers 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 7
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 5
- 229910000792 Monel Inorganic materials 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- -1 Polysiloxanes Polymers 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 239000002518 antifoaming agent Substances 0.000 claims description 4
- 238000010790 dilution Methods 0.000 claims description 4
- 239000012895 dilution Substances 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 4
- 229910001120 nichrome Inorganic materials 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 108010010803 Gelatin Proteins 0.000 claims description 3
- 238000011001 backwashing Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 3
- 239000008273 gelatin Substances 0.000 claims description 3
- 229920000159 gelatin Polymers 0.000 claims description 3
- 235000019322 gelatine Nutrition 0.000 claims description 3
- 235000011852 gelatine desserts Nutrition 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 2
- 238000005275 alloying Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 abstract description 2
- 229910001092 metal group alloy Inorganic materials 0.000 abstract description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 19
- 239000003643 water by type Substances 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 5
- 235000011613 Pinus brutia Nutrition 0.000 description 5
- 241000018646 Pinus brutia Species 0.000 description 5
- 238000012387 aerosolization Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 238000010422 painting Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 3
- 241000628997 Flos Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 2
- 229910018487 Ni—Cr Inorganic materials 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- WBJINCZRORDGAQ-UHFFFAOYSA-N formic acid ethyl ester Natural products CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/08—Alloys with open or closed pores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
- B22F3/1121—Making porous workpieces or articles by using decomposable, meltable or sublimatable fillers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Filtering Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention is a kind of porous foam metal material preparation method, is characterized in, including：De- ester roughening, surface active, dehydration, coating metal dust, cutting, low-temperature sintering and cracking, redox sintering processes step, its preparation method are scientific and reasonable, simple to be applicable, easy to operate, energy-saving；Low manufacture cost, quality is good；Alloying component can be adjusted according to demand, and 8ppi~150ppi can make, aperture：5.0‑0.05mm；Product thickness：100 0.1mm can be produced；Product width：800mm, length：2000mm；It is widely used, available for preparing foam simple metal, foam metal alloy.
Description
Technical field
It is a kind of porous foam metal material preparation method the present invention relates to powder metallurgy porous material.
Background technology
Existing powder metallurgy porous material is also known as porous sintered material, its prepare be by spherical, near-spherical simple metal or
Alloy powder is made through shaping, sintering, and the internal gutter of material is 3-D solid structure, and is interpenetrated.Porosity：30%
~60%, aperture：1~100um, powder-making technique is the key for determining porous sintered material quality.Had no so far and this by retrieval
Inventive method identical document report and application.
The content of the invention
It is an object of the present invention to provide a kind of methodological science rationally, it is simple to be applicable, it is easy to operate, it is energy-saving；Cost of manufacture
Low, quality is good, porous foam metal material preparation method applied widely.
Realizing the technical scheme that the object of the invention is used is, a kind of porous foam metal material preparation method, it is characterized in that,
It comprises the following steps：
1）De- ester roughening
The mol/L of molar concentration 4.0 sodium hydroxide solution is prepared, stirs, is heated to 30 DEG C, sponge is all soaked
Enter 3min in solution, take out, 30 DEG C of warm water countercurrent backwashings remove alkali lye, treated with rubber roll extruding part moisture, then with ventilating fan drying
With；
2）Surface active
Prepare surface active liquid：Matched by quality %, surfactant:5%, defoamer：0.2%, balance deionized water will
In sponge immersion surface active liquid, redundant solution is extruded with rubber roll, sponge string diameter surface tension is eliminated；
3）Dehydration
By sponge ventilating fan forced dehydration, wind speed 3m/s, air quantity 1800m3/ h, moisture control exists<In the range of 15%；
4）Soak aqueous non-setting adhesive cement
Water-based glue performance indications
Composition：Acrylic acid
Gu composition：53±2%
Viscosity：2200~2500ps/25 DEG C
PH value：7—9
Acrylic acid original gelatin and deionized water are first pressed 1：1 dilution proportion is simultaneously well mixed, and is soaked sponge using cement dipping machine
The aqueous acrylate glue water of product dilution, according to the adjustment of sponge thickness to roller gap, it is ensured that glue liquid surface height, gluing uniformity, nothing
Sealing of hole, and the moisture content of sponge after equal glue, air draft dehydration, 15~20 DEG C of environment temperature, leaching product is squeezed with multiple tracks to roller<15%；
5）Coat metal dust
Using metal dust coating machine, metal dust needed for coating, metal dust is spherical, spherical or irregular shape
Shape, the mesh of -325 mesh~1250, the upper powder amount of metal dust is 0.15g/cm3~0.8g/cm3, it is ensured that the upper powder of coating metal dust
Uniformity, no holiday, and floating powder is removed, floating powder accounts for powder amount<5%；
6）Cut
The size according to needed for product size requirement reserves amount of contraction and processing capacity is cut；
7）Low-temperature sintering and cracking
Sponge after coating is placed on graphite supporting plate and is put into baking oven, is protected with 99.8% nitrogen, nitrogen flow 3m3/ h,
180 DEG C of insulations 25 min, 220 DEG C of insulations 30 min, 280 DEG C of insulations 30 min, 360 DEG C of 20 min of insulation, sponge is carbonized, and
Make metal dust formation low temperature hardened, form stable foam structure；
8）Redox sintering processes
With net belt type redox stove, oxidation panel temperature：First 360 DEG C of warm area, the second 410 DEG C of warm area, three-temperature-zone 480
DEG C, 580 DEG C of four-temperature region, the 5th 650 DEG C of temperature, network speed：14m/h,
Oxidation panel entrance door opened height 200mm, port opening height 80mm, flue damper 220mm full opens, it is ensured that
Sponge carbonized bodies all gasify,
Sintering temperature setting is determined by metal dust absolute melting point temperature Tm, sintering temperature each group in metal powder opisthosoma
0.8-0.95Tm, decomposed ammonia below the fusing point of member: 14m3/ h, exports nitrogen amount：10 m3/ h, prepares porous foam gold
Belong to finished material.
Described metal dust is fine copper powder, signal bronze powder, iron-copper alloy powder, monel powder or nickel chromium triangle
Alloy powder.
Described surfactant is 0P-10 or lauryl sodium sulfate.
Described defoamer disappears for the dimethyl silicone polymer defoamer or organic silicon modified by polyether in organic silicon defoamer
Infusion.
A kind of advantage of porous foam metal material preparation method of the present invention is embodied in：
1. preparation method is scientific and reasonable, simple to be applicable, easy to operate, energy-saving；
2. low manufacture cost, quality is good；
3. alloying component can be adjusted according to demand, 8ppi~150ppi can make, aperture：5.0-0.05mm；
4. product thickness：100-0.1mm it can produce；
5. product width：800mm, length：2000mm；
6. be widely used, available for preparing foam simple metal, foam metal alloy.
Embodiment
The present invention is a kind of porous foam metal material preparation method, is comprised the following steps：
1）De- ester roughening
The mol/L of molar concentration 4.0 sodium hydroxide solution is prepared, stirs, is heated to 30 DEG C, sponge is all soaked
Enter 3min in solution, take out, 30 DEG C of warm water countercurrent backwashings remove alkali lye, treated with rubber roll extruding part moisture, then with ventilating fan drying
With；
2）Surface active
Prepare surface active liquid：Matched by quality %, surfactant:5%, defoamer：0.2%, balance deionized water will
In sponge immersion surface active liquid, redundant solution is extruded with rubber roll, sponge string diameter surface tension is eliminated；
3）Dehydration
By sponge ventilating fan forced dehydration, wind speed 3m/s, air quantity 1800m3/ h, moisture control exists<In the range of 15%；
4）Soak aqueous non-setting adhesive cement
Water-based glue performance indications
Composition：Acrylic acid
Gu composition：53±2%
Viscosity：2200~2500ps/25 DEG C
PH value：7—9
Meet European Union's ROHS standards and SGS detections, acrylic acid original gelatin and deionized water are first pressed 1：1 dilution proportion is simultaneously mixed
Close uniform, sponge leaching product is diluted by aqueous acrylate glue water using cement dipping machine, according to the adjustment of sponge thickness to roller gap, it is ensured that glue
Liquid level, gluing uniformity, no sealing of hole, and squeeze with multiple tracks equal glue to roller, and air draft dehydration, 15~20 DEG C of environment temperature,
The moisture content of sponge after leaching product<15%；
5）Coat metal dust
Using metal dust coating machine, metal dust needed for coating, metal dust is spherical, spherical or irregular shape
Shape, the mesh of -325 mesh~1250, the upper powder amount of metal dust is 0.15g/cm3~0.8g/cm3, it is ensured that the upper powder of coating metal dust
Uniformity, no holiday, and floating powder is removed, floating powder accounts for powder amount<5%；
6）Cut
The size according to needed for product size requirement reserves amount of contraction and processing capacity is cut；
7）Low-temperature sintering and cracking
Sponge after coating is placed on graphite supporting plate and is put into baking oven, is protected with 99.8% nitrogen, nitrogen flow 3m3/ h,
180 DEG C of insulations 25 min, 220 DEG C of insulations 30 min, 280 DEG C of insulations 30 min, 360 DEG C of 20 min of insulation, sponge is carbonized, and
Make metal dust formation low temperature hardened, form stable foam structure；
8）Redox sintering processes
With net belt type redox stove, oxidation panel temperature：First 360 DEG C of warm area, the second 410 DEG C of warm area, three-temperature-zone 480
DEG C, 580 DEG C of four-temperature region, the 5th 650 DEG C of temperature, network speed：14m/h,
Oxidation panel entrance door opened height 200mm, port opening height 80mm, flue damper 220mm full opens, it is ensured that
Sponge carbonized bodies all gasify,
Sintering temperature setting is determined by metal dust absolute melting point temperature Tm, sintering temperature each group in metal powder opisthosoma
0.8-0.95Tm, decomposed ammonia below the fusing point of member: 14m3/ h, exports nitrogen amount：10 m3/ h, prepares porous foam gold
Belong to finished material.
Described metal dust is fine copper powder, signal bronze powder, iron-copper alloy powder, monel powder or nickel chromium triangle
Alloy powder.
Described surfactant is 0P-10 or lauryl sodium sulfate.
Described defoamer disappears for the dimethyl silicone polymer defoamer or organic silicon modified by polyether in organic silicon defoamer
Infusion.
Embodiment 1：Foam fine copper is prepared using a kind of porous foam metal material preparation method of the present invention
Sponge is cut：110ppi 10mm are thick, long：500mm, width：500mm, graphite cake is long：550mm, width：550mm 、
It is thick：6mm；
1）De- ester roughening
Sodium hydroxide solution is prepared：Weigh 160g solid sodium hydroxides, and be transferred in the beaker of cleaning, the addition into beaker
996ml deionized waters, are stirred, and are heated to 30 DEG C, and sponge is totally immersed into 3min in solution, are taken out, 30 DEG C of warm water adverse currents
Backwash removes alkali lye, with rubber roll extruding part moisture, then is dried up with ventilating fan stand-by；
2）Surface active
Treatment fluid is prepared：Deionized water 9.5kg, first adds 0.02kg dimethyl silicone polymer defoamers, adds 0.5kg
OP-10, stir stand-by, sponge be totally immersed into solution, redundant solution is extruded with rubber roll, eliminate sponge string diameter surface
Tension force；
3）Dehydration
By sponge ventilating fan forced dehydration, wind speed 3m/s, air quantity 1800m3/ h, moisture control exists<In the range of 15%；
4）Soak aqueous non-setting adhesive cement
Water-based glue performance indications
Composition：Acrylic acid
Gu composition：53±2%
Viscosity：2200~2500ps/25 DEG C
PH value：7—9
Acrylic acid non-setting adhesive cement is allocated：Meet European Union's ROHS standards and SGS detections, take the acrylic acid aqueous non-setting adhesive cements of 1kg
Plus 1kg deionized waters stir, sponge leaching product is diluted by aqueous acrylate glue water using cement dipping machine, adjusted according to sponge thickness
To roller gap, it is ensured that glue liquid surface height, gluing uniformity, no sealing of hole, and equal glue, air draft dehydration, ring are squeezed with multiple tracks to roller
The moisture content of sponge after 15~20 DEG C of border temperature, leaching product<15%；
5）Coat metal dust
From -325 mesh aerosolization irregular shape fine copper powder, copper content 99.5%, 2.5~3.0/cm of pine dress ratio3, use
Powder coating machine, sponge is uniformly hung one layer of fine copper powder of painting, and floating powder is removed with vibrating method, is floated powder content and is less than on total
Powder amount<5%, volume density is in 0.25~0.5g/cm after upper powder3Between, no sealing of hole；
6）Low-temperature sintering and cracking
Sponge after coating is placed on 550*550*6mm graphite supporting plates, in 180 DEG C of baking ovens of feeding, 25min, 220 DEG C is incubated
30min, 280 DEG C of insulations 30min, 360 DEG C of insulation 20min are incubated, and is passed through 99.8% nitrogen, the m of flow 33/h；
7）Redox sintering processes
Heat-processing equipment：Net belt type oxidation and sinter stove
Oxidation panel temperature：First 360 DEG C of warm area, the second 420 DEG C of warm area, 520 DEG C of three-temperature-zone, 650 DEG C of four-temperature region, the
Five 560 DEG C of warm areas, network speed：14m/h,
Reduce sintering stage temperature：First 950 DEG C of warm area, the second 1030 DEG C of warm area, 960 DEG C of three-temperature-zone, four-temperature region
880 DEG C, the 5th 820 DEG C of warm area, network speed：12m/h, decomposed ammonia: 14m3/ h, exports nitrogen amount：10 m3/ h, system
It is standby to obtain foam fine copper finished product.
Embodiment 2：Foam signal bronze is prepared using a kind of porous foam metal material preparation method of the present invention
Sponge is cut：110ppi 10mm are thick, long：500mm, width：500mm, graphite cake is long：550mm, width：550mm、
It is thick：6mm；
1）De- ester roughening
Sodium hydroxide solution is prepared：Weigh 160g solid sodium hydroxides, and be transferred in the beaker of cleaning, the addition into beaker
996ml deionized waters.Stir, be heated to 30 DEG C, sponge is totally immersed into 3 min in solution, take out, be put into clear water
Except alkali lye, with rubber roll extruding part moisture, then dried up with ventilating fan stand-by；
2）Surface active
Treatment fluid is prepared：Deionized water 9.5kg first adds 0.02kg dimethyl silicone polymer defoamers, adds 0.5kg
OP-10, stir stand-by, sponge be totally immersed into solution, with rubber roll extrude redundant solution；
3）Dehydration
By sponge ventilating fan forced dehydration, wind speed 3m/s, air quantity 1800m3/ h, moisture control exists<In the range of 15%；
4）The acrylic acid aqueous non-setting adhesive cement of leaching product
Acrylic acid non-setting adhesive cement is allocated：The acrylic acid aqueous non-setting adhesive cements of 1kg plus 1kg deionized waters is taken to stir, by sea
Silk floss is put into the glue that gets togather of adjustment, then extrudes unnecessary glue with rubber roll, and squeezes with multiple tracks equal glue to roller, ventilating fan dehydration,
The moisture content of sponge after 15~20 DEG C of environment temperature, leaching product<15%；
5）Coat metal dust
From -325 pre- signal bronze powder of mesh aerosolization irregular shape, metal powder constituent：5% tin, surplus：Copper,
2.5~3.0/cm of pine dress ratio3, powder coating machine is used, sponge is uniformly hung to one layer of pre- signal bronze powder of painting, and by floating powder with shaking
Method removal is smash, powder content is floated and is less than always upper powder amount<5%, volume density is in 0.25~0.5g/ cm after upper powder3Between；
6）Low-temperature sintering and cracking
Sponge after coating is placed on 550*550*6mm graphite supporting plates, in 180 DEG C of baking ovens of feeding, 25min, 220 DEG C is incubated
30min, 280 DEG C of insulations 30min, 360 DEG C of insulation 20min are incubated, and is passed through 99.8% nitrogen, the m of flow 33/n；
7）Redox sintering processes
Heat-processing equipment：Net belt type oxidation and sinter stove,
Oxidation panel temperature：First 360 DEG C of warm area, the second 420 DEG C of warm area, 520 DEG C of three-temperature-zone, 650 DEG C of four-temperature region, the
Five 560 DEG C of warm areas, network speed：14m/h,
Reduce sintering stage：First 820 DEG C of warm area, the second warm area：900 DEG C, 860 DEG C of three-temperature-zone, four-temperature region：800 DEG C,
5th 740 DEG C of warm area, network speed：14m/h, decomposed ammonia：18m3/ h, nitrogen：20m3/ h, prepares foam signal bronze finished product.
Embodiment 3：Foam iron-copper is prepared using a kind of porous foam metal material preparation method of the present invention
Sponge is cut：20ppi 20mm are thick, long：500mm, width：500mm, graphite cake is long：550mm, it is wide：550mm、
Thick 6mm；
1）De- ester roughening
Sodium hydroxide solution is prepared：Weigh 160g solid sodium hydroxides, and be transferred in the beaker of cleaning, the addition into beaker
996ml deionized waters, are stirred, and are heated to 30 DEG C, and sponge is totally immersed into 3 min in solution, are taken out, are put into clear water
Except alkali lye, with rubber roll extruding part moisture, then dried up with ventilating fan stand-by；
2）Surface active：
Treatment fluid is prepared：Deionized water 9.5kg first adds 0.02kg Polyether Modified Polysiloxanes Defoaming Agents, adds 0.5kg
Lauryl sodium sulfate, stir stand-by, sponge be totally immersed into solution, with rubber roll extrude redundant solution；
3）Dehydration
By sponge ventilating fan forced dehydration, wind speed 3m/s, air quantity 1800m3/ h, moisture control exists<In the range of 15%；
4）The acrylic acid aqueous non-setting adhesive cement of leaching product
Acrylic acid non-setting adhesive cement is allocated：The acrylic acid aqueous non-setting adhesive cements of 1kg plus 1kg deionized waters is taken to stir；
Sponge is put into the glue that adjustment is got togather, then unnecessary glue is extruded with rubber roll, and equal glue is squeezed to roller with multiple tracks,
Ventilating fan is dehydrated, 15~20 DEG C of environment temperature, the moisture content of sponge after leaching product<15%；
5）Coat metal dust
From -325 pre- iron-copper alloy powders of mesh aerosolization irregular shape, the composition of iron-copper powder：Iron 70%, copper
30%, 2.5~3.0/cm of pine dress ratio3, powder coating machine is used, sponge is uniformly hung to one layer of pre- iron-copper alloy powder of painting, and by floating powder
Removed with vibrating method, float powder content and be less than always upper powder amount<5%, volume density is in 0.25~0.5g/cm after upper powder3Between；
6）Low-temperature sintering and cracking
Sponge after coating is placed on 550*550*6mm graphite supporting plates, in 180 DEG C of baking ovens of feeding, 25min, 220 DEG C is incubated
30min, 280 DEG C of insulations 30min, 360 DEG C of insulation 20min are incubated, and is passed through 99.8% nitrogen, the m of flow 33/h；
7）Redox sintering processes
Heat-processing equipment：Net belt type oxidation and sinter stove,
Oxidation panel temperature：First 360 DEG C of warm area, the second 420 DEG C of warm area, 520 DEG C of three-temperature-zone, 650 DEG C of four-temperature region, the
Five 560 DEG C of warm areas, network speed：12m/h,
Reduce sintering stage：First 920 DEG C of warm area, the second 980 DEG C of warm area, 1050 DEG C of three-temperature-zone, 960 DEG C of four-temperature region,
5th 860 DEG C of warm area, network speed：12m/h, decomposed ammonia：15m3/ h, nitrogen：20m3/ h, prepare foam iron-copper into
Product.
Embodiment 4：Foam monel is prepared using a kind of porous foam metal material preparation method of the present invention
Sponge is cut：10ppi 20mm are thick, long：500mm, width：500mm, graphite cake is long：550mm, width：550mm
It is thick：6mm；
1）De- ester roughening
Sodium hydroxide solution is prepared：Weigh 160g solid sodium hydroxides, and be transferred in the beaker of cleaning, the addition into beaker
996ml deionized waters, are stirred, and are heated to 30 DEG C, and sponge is totally immersed into 3 min in solution, are taken out, are put into clear water
Except alkali lye, with rubber roll extruding part moisture, then dried up with ventilating fan stand-by；
2）Surface active：
Treatment fluid is prepared：Deionized water 9.5kg first adds 0.02kg Polyether Modified Polysiloxanes Defoaming Agents, adds 0.5kg
Lauryl sodium sulfate, stir stand-by, sponge be totally immersed into solution, with rubber roll extrude redundant solution；
3）Dehydration
By sponge ventilating fan forced dehydration, wind speed 3m/s, air quantity 1800m3/ h, moisture control exists<In the range of 15%；
4）The acrylic acid aqueous non-setting adhesive cement of leaching product
Acrylic acid non-setting adhesive cement is allocated：The acrylic acid aqueous non-setting adhesive cements of 1kg plus 1kg deionized waters is taken to stir, by sea
Silk floss is put into the glue that adjustment is got togather, then extrudes unnecessary glue with rubber roll, and equal glue is squeezed to roller with multiple tracks.Ventilating fan is dehydrated,
The moisture content of sponge after 15~20 DEG C of environment temperature, leaching product<15%；
5）Coat metal dust
From -325 pre- Ni alloy powders of mesh aerosolization irregular shape, alloying component nickel 70%, copper 30%, pine dress compares 2.5
~3.0/cm3,
Using powder coating machine, sponge is uniformly hung to one layer of pre- monel powder of painting, and floating powder is gone with vibrating method
Remove, float powder content and be less than always upper powder amount<5%, volume density is in 0.25~0.5g/cm after upper powder3Between；
6）Low-temperature sintering and cracking
Sponge after coating is placed on 550*550*6mm graphite supporting plates, in 180 DEG C of baking ovens of feeding, 25min, 220 DEG C is incubated
30min, 280 DEG C of insulations 30min, 360 DEG C of insulation 20min are incubated, and is passed through 99.8% nitrogen, the m of flow 33/h；
7）Redox sintering processes
Heat-processing equipment：Net belt type oxidation and sinter stove,
Oxidation panel temperature：First 360 DEG C of warm area, the second 420 DEG C of warm area, 520 DEG C of three-temperature-zone, 650 DEG C of four-temperature region, the
Five 560 DEG C of warm areas, network speed：14m/h,
Reduce sintering stage：First 920 DEG C of warm area, the second 980 DEG C of warm area, 1070 DEG C of three-temperature-zone, 1010 DEG C of four-temperature region,
5th 910 DEG C of warm area, network speed：14m/h, decomposed ammonia：18m3/ h, nitrogen：20m3/ h, prepares foam ambrose alloy
Alloy finished product.
Embodiment 5：Foam nichrome is prepared using a kind of porous foam metal material preparation method of the present invention
Sponge is cut：120ppi 10mm are thick, long：500mm, width：500mm, graphite cake is long：550mm, width：550mm 、
It is thick：6mm,
1）De- ester roughening
Sodium hydroxide solution is prepared：Weigh 160g solid sodium hydroxides, and be transferred in the beaker of cleaning, the addition into beaker
996ml deionized waters, are stirred, and are heated to 30 DEG C, and sponge is totally immersed into 3 min in solution, are taken out, are put into clear water
Except alkali lye, with rubber roll extruding part moisture, then dried up with ventilating fan stand-by；
2）Surface active
Treatment fluid is prepared：Deionized water 9.5kg first adds 0.02kg dimethyl silicone polymer defoamers, adds 0.5kg
OP -10, are stirred stand-by, sponge are totally immersed into solution, and redundant solution is extruded with rubber roll；
3）Dehydration
By sponge ventilating fan forced dehydration, wind speed 3m/s, air quantity 1800m3/ h, moisture control exists<In the range of 15%；
4）The acrylic acid aqueous non-setting adhesive cement of leaching product
Acrylic acid non-setting adhesive cement is allocated：The acrylic acid aqueous non-setting adhesive cements of 1kg plus 1kg deionized waters is taken to stir, by sea
Silk floss is put into the glue that gets togather of adjustment, then extrudes unnecessary glue with rubber roll, and squeezes with multiple tracks equal glue to roller, ventilating fan dehydration,
The moisture content of sponge after 15~20 DEG C of environment temperature, leaching product<15%；
5）Coat metal dust
From -325 pre- nichrome powders of mesh aerosolization irregular shape, nichrome content 99.5%, pine dress compares 2.5
~3.0/cm3,
Powder coating machine is used, sponge is uniformly hung to one layer of prealloy 310s powder of painting：Composition：The balance iron of 25% nickel of chromium 20%,
And remove floating powder with vibrating method, float powder content and be less than always upper powder amount<5%, volume density is in 0.25~0.5g/cm after upper powder3
Between；
6）Low-temperature sintering and cracking
Sponge after coating is placed on 550*550*6mm graphite supporting plates, in 180 DEG C of baking ovens of feeding, 25min, 220 DEG C is incubated
30min, 280 DEG C of insulations 30min, 360 DEG C of insulation 20min are incubated, and is passed through 99.8% nitrogen, the m of flow 33/h；
7）Redox sintering processes
Oxidation panel temperature：Heat-processing equipment is：Net belt type oxidation and sinter stove, the first 360 DEG C of warm area, the second 420 DEG C of warm area,
520 DEG C of three-temperature-zone, 650 DEG C of four-temperature region, the 5th warm area：560 DEG C, network speed：12m/h,
Reduce sintering stage：Hot oil (gas) filling device is：High temperature pushes away boat sintering furnace, the first 1080 DEG C of warm area, the second 1200 DEG C of warm area,
1260 DEG C of three-temperature-zone, 1180 DEG C of four-temperature region, the 5th 1100 DEG C of warm area, nitrogen gas purity 99.995%, the m of decomposed ammonia 53/
H, outlet nitrogen seals 12 m3/ h, dew point：- 63 DEG C, oxygen content：5ppm, boat board size：600*600mm*25mm, mobile speed
Degree：12 minutes/boat.
Material therefor of the present invention is readily obtained, and is commercially available prod.Sponge is polyurethane, Polymer Technology Group
Ethyl ester, polyester base Ethyl formate Polymer material are commonly called as, and percent opening is up to 98% after blasting technology, and even structure is consistent, then
Required size is reached through pingqie machine and sets up cutting machine processing.Described surfactant is 0P-10 or lauryl sodium sulfate；It is described
Defoamer be organic silicon defoamer in dimethyl silicone polymer defoamer or Polyether Modified Polysiloxanes Defoaming Agent.
Claims (4)
1. a kind of porous foam metal material preparation method, it is characterized in that, it comprises the following steps：
1）De- ester roughening
The mol/L of molar concentration 4.0 sodium hydroxide solution is prepared, stirs, is heated to 30 DEG C, sponge is totally immersed into molten
3min in liquid, takes out, and 30 DEG C of warm water countercurrent backwashings remove alkali lye, with rubber roll extruding part moisture, then is dried up with ventilating fan stand-by；
2）Surface active
Prepare surface active liquid：Matched by quality %, surfactant:5%, defoamer：0.2%, balance deionized water, by sponge
Immerse in surface active liquid, redundant solution is extruded with rubber roll, eliminate sponge string diameter surface tension；
3）Dehydration
By sponge ventilating fan forced dehydration, wind speed 3m/s, air quantity 1800m3/ h, moisture control is in the range of 10~15%；
4）Soak aqueous non-setting adhesive cement
Water-based glue performance indications
Composition：Acrylic acid
Gu composition：53±2%
Viscosity：2200~2500ps/25 DEG C
PH value：7—9
Acrylic acid original gelatin and deionized water are first pressed 1：1 dilution proportion is simultaneously well mixed, and sponge is soaked into long-pending dilute using cement dipping machine
Water soluble acrylic acid glue is released, according to the adjustment of sponge thickness to roller gap, it is ensured that glue liquid surface height, gluing uniformity, no sealing of hole,
And the moisture content of sponge after equal glue, air draft dehydration, 15~20 DEG C of environment temperature, leaching product is squeezed to roller with multiple tracks<15%；
5）Coat metal dust
Using metal dust coating machine, metal dust needed for coating, metal dust is spherical, spherical or irregular shape ,-
The mesh of 325 mesh~1250, the upper powder amount of metal dust is 0.15g/cm3~0.8g/cm3, it is ensured that the upper powder of coating metal dust is uniform
Unanimously, no holiday, and floating powder is removed, floating powder accounts for powder amount<5%；
6）Cut
The size according to needed for product size requirement reserves amount of contraction and processing capacity is cut；
7）Low-temperature sintering and cracking
Sponge after coating is placed on graphite supporting plate and is put into baking oven, is protected with 99.8% nitrogen, nitrogen flow 3m3/ h, 180 DEG C of guarantors
Temperature 25 min, 220 DEG C of insulations 30 min, 280 DEG C of insulations 30 min, 360 DEG C of 20 min of insulation, sponge are carbonized, and make metal
Powder formation low temperature is hardened, forms stable foam structure；
8）Redox sintering processes
With net belt type redox stove, oxidation panel temperature：First 360 DEG C of warm area, the second 410 DEG C of warm area, 480 DEG C of three-temperature-zone,
580 DEG C of four-temperature region, the 5th 650 DEG C of temperature, network speed：14m/h,
Oxidation panel entrance door opened height 200mm, port opening height 80mm, flue damper 220mm full opens, it is ensured that sponge
Carbonized bodies all gasify,
Sintering temperature setting is determined by metal dust absolute melting point temperature Tm, sintering temperature each constituent element in metal powder opisthosoma
0.8-0.95Tm below fusing point, decomposed ammonia: 14m3/ h, exports nitrogen amount：10 m3/ h, prepares porous foam metal material
Expect finished product.
2. a kind of porous foam metal material preparation method according to claim 1, it is characterized in that, described metal dust
For fine copper powder, signal bronze powder, iron-copper alloy powder, monel powder or nichrome powder.
3. a kind of porous foam metal material preparation method according to claim 1, it is characterized in that, described surface-active
Agent is 0P-10 or lauryl sodium sulfate.
4. a kind of porous foam metal material preparation method according to claim 1, it is characterized in that, described defoamer is
Dimethyl silicone polymer defoamer or Polyether Modified Polysiloxanes Defoaming Agent in organic silicon defoamer.
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