CN106111975A - A kind of automobile porous metal composite material - Google Patents
A kind of automobile porous metal composite material Download PDFInfo
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- CN106111975A CN106111975A CN201610597676.2A CN201610597676A CN106111975A CN 106111975 A CN106111975 A CN 106111975A CN 201610597676 A CN201610597676 A CN 201610597676A CN 106111975 A CN106111975 A CN 106111975A
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- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/103—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing an organic binding agent comprising a mixture of, or obtained by reaction of, two or more components other than a solvent or a lubricating agent
-
- 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
- B22F3/02—Compacting only
-
- 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
- B22F3/1003—Use of special medium during sintering, e.g. sintering aid
- B22F3/1007—Atmosphere
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
Abstract
The invention discloses a kind of automobile porous metal composite material, be made up of following raw material: matrix, coating；Described matrix is made up of following raw material: stainless steel powder, alumina powder, zirconia powder, carborundum powder, silicon nitride powder, cordierite powder, silica flour, polyvinyl alcohol, zirconia sol are molten, methylcellulose, polyethylene carboxylic butyraldehyde, pore creating material, epoxy silane, maleic anhydride grafting compatilizer, ardealite, acrylic type bridging agent, acrylate, 701 powder, aluminium polychlorid, stabilizer, styrene；Described coating is made up of following raw material: aluminium powder, nikel powder, titanium valve, molybdenum powder, vanadium powder, yttrium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse), azo two isopropylformic acid. (acrylic acid ethylene glycol) ester, 2,5 dimethyl 2,5 pairs (benzoyl peroxide) hexanes, platinum catalyst, binding agent, glycidoxy-propyltrimethoxy silane.The material hole uniformity of the present invention is good, intensity big, it is light to quantify, and can be effectively improved the driving safety of automobile.
Description
[technical field]
The invention belongs to metallurgical technology field, be specifically related to a kind of automobile porous metal composite material.
[background technology]
Along with the theory of " energy-conserving and environment-protective " is increasingly by society's extensive concern, lightweight is the most progressively applied to general-utility car field,
Outstanding fuel-economizing can also be had to show while raising is handling.Existing document and patent report, reduce the approach of vehicle weight
It is the light-duty porous material of a large amount of use on vehicle body, such as the alloy porous material such as aluminum, magnesium, polyurethane sandwich panel material, these materials
The manufacturing cost of material is higher.The alloy porous material such as aluminum, magnesium can only take base metal heat to melt foaming, it is impossible to as porous iron, nickel
Electrodeposition technology can be used to prepare on the porous polyurethane sponge surface that uniformity is the strongest on metal, therefore foamed aluminium or magnalium
The hole uniformity extreme difference of alloy material, through hole mixes mutually with closed pore and deposits, it is impossible to effectively play the effect of automotive light weight technology；
Meanwhile, to will also result in the holding capacity of material uneven for the inequality of hole.Polyurethane sandwich board materials application in automotive field, its
Intensity and anti-flammability are poor, have a strong impact on the driving safety of automobile.How to develop high intensity, light-weighted high-quality porous gold
Belong to composite and be still a great problem of this area.
[summary of the invention]
The present invention provides a kind of automobile porous metal composite material, to solve the hole of existing foamed aluminium or hydronalium
Uniformity extreme difference, through hole mixes mutually with closed pore and deposits, it is impossible to effectively playing the effect of automotive light weight technology, meanwhile, hole is not
The holding capacity that equal property will also result in material is uneven；Polyurethane sandwich board materials application in automotive field, its intensity and anti-flammability
Poor, the problem such as driving safety having a strong impact on automobile.The automobile porous metal composite material that the present invention prepares every
Performance indications are superior to stack pile, the polyurethane sandwich panel material of same specification and almag foamed materials, can extensively apply
In automotive field；The automobile porous metal composite material hole uniformity that the present invention prepares is good, intensity big, it is light, effectively to quantify
Improve the driving safety of automobile.
For solve above technical problem, the present invention by the following technical solutions:
A kind of automobile porous metal composite material, in units of weight, is made up of following raw material: matrix 180-360 part, coating
10-16 part；
Described matrix, in units of weight, is made up of following raw material: stainless steel powder 120-160 part, alumina powder 15-22 part, oxygen
Change zirconium powder 14-18 part, carborundum powder 12-16 part, silicon nitride powder 10-14 part, cordierite powder 8-12 part, silica flour 8-10 part, gather
Vinyl alcohol 6-9 part, zirconia sol molten 4-8 part, methylcellulose 3-5 part, polyethylene carboxylic butyraldehyde 4-6 part, pore creating material 10-16
Part, epoxy silane 0.8-1.6 part, maleic anhydride grafting compatilizer 0.6-1.5 part, ardealite 0.8-1.2 part, acrylic type are built bridge
Agent 0.6-1 part, acrylate 0.5-0.8 part, 701 powder 0.4-0.6 parts, aluminium polychlorid 0.4-0.6 part, fat acids stabilizer
0.2-0.4 part, styrene 0.2-0.3 part；
Described pore creating material, in units of weight, is made up of following raw material: paraffin 12-16 part, stearic acid 10-15 part, sodium chloride 6-8
Part, ammonium carbonate 8-14 part, carbamide 4-6 part；
Described epoxy silane is coupling agent；
Described ardealite is tranquilizer；
Described acrylate is regulator；
Described 701 powder are hardening agent；
Described aluminium polychlorid is flocculation agent；
Described styrene is terminator；
Described coating, in units of weight, is made up of following raw material: aluminium powder 16-20 part, nikel powder 14-18 part, titanium valve 6-8 part, molybdenum
Powder 4-5 part, vanadium powder 3-5 part, yttrium powder 2-4 part, magnesium powder 1-2 part, cobalt powder 1-2 part, Hydrocerussitum (Ceruse) 2-3 part, azo two isopropylformic acid. (acrylic acid
Ethylene glycol) ester 0.1-0.2 part, 2,5-dimethyl-2,5-double (benzoyl peroxide)-hexane 0.3-0.5 part, platinum catalyst 0.1-
0.2 part, binding agent 0.6-0.8 part, glycidoxy-propyltrimethoxy silane 0.2-0.4 part；
Described azo two isopropylformic acid. (acrylic acid ethylene glycol) ester is initiator；
Described 2,5-dimethyl-2, double (benzoyl the peroxide)-hexane of 5-is cross-linking agent；
Described binding agent, in units of weight, is made up of following raw material: polyvinyl alcohol 10-14 part, strong methylcellulose 8-12 part,
Polyethylene glycol oxide 16-20 part；
Described glycidoxy-propyltrimethoxy silane is viscosifier；
The preparation method of described automobile porous metal composite material, comprises the following steps:
S1: molten to polyvinyl alcohol, zirconia sol, polyethylene carboxylic butyraldehyde are dissolved in the water of 5-9 times of its gross mass number,
Put into methylcellulose subsequently, be dried to water content≤8% at 66-74 DEG C after soaking 5-8h, prepare mixture I；
S2: by stainless steel powder, alumina powder, zirconia powder, carborundum powder, silicon nitride powder, cordierite powder, silica flour, pore creating material,
Epoxy silane, maleic anhydride grafting compatilizer, ardealite, acrylic type bridging agent, acrylate, 701 powder, aluminium polychlorid,
Fat acids stabilizer, styrene, 400-700 part water are 100-400W at microwave power, and temperature is 550-600 DEG C, and rotating speed is
Stirring 4-6h under 200-500r/min, then gains are dried to water content≤8%, prepare mixture II；
S3: the mixture II that the mixture I step S1 prepared and step S2 prepare is 220-250 DEG C in temperature, and rotating speed is
Stir 1.5-2h under 200-500r/min, put into ball-milling treatment in ball mill, make square hole screen surplus≤0.12% of gained material,
Prepare mixture III；
S4: the mixture III that step step S3 prepares is sent in mould, compressing under pressure is 540-580MPa, at nitrogen
Under gas shielded, the temperature with 420-540 DEG C sinters 4-8h, through naturally cooling to room temperature, prepares matrix；
S5: aluminium powder, nikel powder, titanium valve, molybdenum powder, vanadium powder, yttrium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse) are stirred under rotating speed is 200-300r/min
Mix 6-10min, prepare mixture IV；
S6: to step S5 prepare mixture IV in add azo two isopropylformic acid. (acrylic acid ethylene glycol) ester, 2,5-dimethyl-2,
5-double (benzoyl peroxide)-hexane, platinum catalyst, binding agent, glycidoxy-propyltrimethoxy silane, at microwave power be
200-400W, temperature is 180-220 DEG C, and rotating speed is stirring 1-2h under 200-400r/min, prepares mixture V；
S7: use the spraying temperature of 1200-1400 DEG C that mixture V uniform heat that step S6 prepares is sprayed on step S4 and prepare
Matrix surface on, prepare composite body；
S8: composite body step S7 prepared uses surface grinding machine to polish sprayed coating so that it is become flat state also
The hole of matrix porosity foam surface is completely covered, prepares the composite body polished；
S9: the composite body polished that step S8 prepares is placed in temperature is 1020-1100 DEG C, the heat treatment of protected gas
Carrying out heat treatment in stove, temperature retention time is 5-6h, through naturally cooling to room temperature, and prepared automobile porous metal composite material.
Further, described stainless steel powder, alumina powder, zirconia powder, carborundum powder, silicon nitride powder, cordierite powder, stone
Ying Fen, the particle diameter of 701 powder are 5-100 m.
Further, the thickness of described matrix is 2-45mm, and percent opening is 35%-92%, and density is 850-1500g/m2。
Further, described aluminium powder, nikel powder, stainless steel powder, titanium valve, molybdenum powder, vanadium powder, yttrium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse)
Particle diameter is 0.1-4 m.
Further, described coating layer thickness is 10-100 m.
Further, protective gas described in step S9 be nitrogen, acetylene, hydrogen by volume=60-70:28-36:2-4
Mixed gas.
Further, described protective gas be nitrogen, acetylene, hydrogen by volume=mixed gas of 70:28:2.
The method have the advantages that
(1) property indices of the automobile porous metal composite material that the present invention prepares is superior to stack pile, same specification
Polyurethane sandwich panel material and almag foamed materials, wherein impact strength has reached more than 636.78MPa, tensile strength
Having reached 675.23 more than MPa, hardness has reached more than 281.33HRC, and extensibility has reached more than 23.56%, and sound absorption properties reaches
Arrive more than 71.38dB, reached 172.45 α/more than ρ than stiffness, there is good mechanical performance and sound absorption properties, can be extensive
It is applied to automotive field.
(2) the automobile porous metal composite material hole uniformity that the present invention prepares is good, intensity big, it is light, effectively to quantify
Improve the driving safety of automobile.
[detailed description of the invention]
For ease of being more fully understood that the present invention, being illustrated by following example, these embodiments belong to the protection of the present invention
Scope, but it is not intended to protection scope of the present invention.
In an embodiment, described automobile porous metal composite material, in units of weight, it is made up of following raw material: base
Body 180-360 part, coating 10-16 part；
Described matrix, in units of weight, is made up of following raw material: stainless steel powder 120-160 part, alumina powder 15-22 part, oxygen
Change zirconium powder 14-18 part, carborundum powder 12-16 part, silicon nitride powder 10-14 part, cordierite powder 8-12 part, silica flour 8-10 part, gather
Vinyl alcohol 6-9 part, zirconia sol molten 4-8 part, methylcellulose 3-5 part, polyethylene carboxylic butyraldehyde 4-6 part, pore creating material 10-16
Part, epoxy silane 0.8-1.6 part, maleic anhydride grafting compatilizer 0.6-1.5 part, ardealite 0.8-1.2 part, acrylic type are built bridge
Agent 0.6-1 part, acrylate 0.5-0.8 part, 701 powder 0.4-0.6 parts, aluminium polychlorid 0.4-0.6 part, fat acids stabilizer
0.2-0.4 part, styrene 0.2-0.3 part；
Described pore creating material, in units of weight, is made up of following raw material: paraffin 12-16 part, stearic acid 10-15 part, sodium chloride 6-8
Part, ammonium carbonate 8-14 part, carbamide 4-6 part；
Described epoxy silane is coupling agent；
Described ardealite is tranquilizer；
Described acrylate is regulator；
Described 701 powder are hardening agent；
Described aluminium polychlorid is flocculation agent；
Described styrene is terminator；
Described stainless steel powder, alumina powder, zirconia powder, carborundum powder, silicon nitride powder, cordierite powder, silica flour, 701 powder
Particle diameter is 5-100 m；
The thickness of described matrix is 2-45mm, and percent opening is 35%-92%, and density is 850-1500g/m2；
Described coating, in units of weight, is made up of following raw material: aluminium powder 16-20 part, nikel powder 14-18 part, titanium valve 6-8 part, molybdenum
Powder 4-5 part, vanadium powder 3-5 part, yttrium powder 2-4 part, magnesium powder 1-2 part, cobalt powder 1-2 part, Hydrocerussitum (Ceruse) 2-3 part, azo two isopropylformic acid. (acrylic acid
Ethylene glycol) ester 0.1-0.2 part, 2,5-dimethyl-2,5-double (benzoyl peroxide)-hexane 0.3-0.5 part, platinum catalyst 0.1-
0.2 part, binding agent 0.6-0.8 part, glycidoxy-propyltrimethoxy silane 0.2-0.4 part；
Described azo two isopropylformic acid. (acrylic acid ethylene glycol) ester is initiator；
Described 2,5-dimethyl-2, double (benzoyl the peroxide)-hexane of 5-is cross-linking agent；
Described binding agent, in units of weight, is made up of following raw material: polyvinyl alcohol 10-14 part, strong methylcellulose 8-12 part,
Polyethylene glycol oxide 16-20 part；
Described glycidoxy-propyltrimethoxy silane is viscosifier；
Described aluminium powder, nikel powder, stainless steel powder, titanium valve, molybdenum powder, vanadium powder, yttrium powder, magnesium powder, cobalt powder, the particle diameter of Hydrocerussitum (Ceruse) are 0.1-4
m；
Described coating layer thickness is 10-100 m；
The preparation method of described automobile porous metal composite material, comprises the following steps:
S1: molten to polyvinyl alcohol, zirconia sol, polyethylene carboxylic butyraldehyde are dissolved in the water of 5-9 times of its gross mass number,
Put into methylcellulose subsequently, be dried to water content≤8% at 66-74 DEG C after soaking 5-8h, prepare mixture I；
S2: by stainless steel powder, alumina powder, zirconia powder, carborundum powder, silicon nitride powder, cordierite powder, silica flour, pore creating material,
Epoxy silane, maleic anhydride grafting compatilizer, ardealite, acrylic type bridging agent, acrylate, 701 powder, aluminium polychlorid,
Fat acids stabilizer, styrene, 400-700 part water are 100-400W at microwave power, and temperature is 550-600 DEG C, and rotating speed is
Stirring 4-6h under 200-500r/min, then gains are dried to water content≤8%, prepare mixture II；
S3: the mixture II that the mixture I step S1 prepared and step S2 prepare is 220-250 DEG C in temperature, and rotating speed is
Stir 1.5-2h under 200-500r/min, put into ball-milling treatment in ball mill, make square hole screen surplus≤0.12% of gained material,
Prepare mixture III；
S4: the mixture III that step step S3 prepares is sent in mould, compressing under pressure is 540-580MPa, at nitrogen
Under gas shielded, the temperature with 420-540 DEG C sinters 4-8h, through naturally cooling to room temperature, prepares matrix；
S5: aluminium powder, nikel powder, titanium valve, molybdenum powder, vanadium powder, yttrium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse) are stirred under rotating speed is 200-300r/min
Mix 6-10min, prepare mixture IV；
S6: to step S5 prepare mixture IV in add azo two isopropylformic acid. (acrylic acid ethylene glycol) ester, 2,5-dimethyl-2,
5-double (benzoyl peroxide)-hexane, platinum catalyst, binding agent, glycidoxy-propyltrimethoxy silane, at microwave power be
200-400W, temperature is 180-220 DEG C, and rotating speed is stirring 1-2h under 200-400r/min, prepares mixture V；
S7: use the spraying temperature of 1200-1400 DEG C that mixture V uniform heat that step S6 prepares is sprayed on step S4 and prepare
Matrix surface on, prepare composite body；
S8: composite body step S7 prepared uses surface grinding machine to polish sprayed coating so that it is become flat state also
The hole of matrix porosity foam surface is completely covered, prepares the composite body polished；
S9: the composite body polished that step S8 prepares is placed in temperature is 1020-1100 DEG C, the heat treatment of protected gas
Carrying out heat treatment in stove, temperature retention time is 5-6h, through naturally cooling to room temperature, prepares automobile porous metal composite material, institute
State protective gas be nitrogen, acetylene, hydrogen by volume=mixed gas of 60-70:28-36:2-4.
Embodiment 1
A kind of automobile porous metal composite material, in units of weight, is made up of following raw material: matrix 270 parts, coating 13
Part；
Described matrix, in units of weight, is made up of following raw material: stainless steel powder 140 parts, alumina powder 18 parts, zirconia powder
16 parts, carborundum powder 14 parts, silicon nitride powder 12 parts, 10 parts of cordierite powder, silica flour 9 parts, polyvinyl alcohol 8 parts, zirconium dioxide molten
Peptization 6 parts, methylcellulose 4 parts, polyethylene carboxylic butyraldehyde 5 parts, pore creating material 13 parts, epoxy silane 1.2 parts, maleic anhydride graft phase
Hold agent 1 part, ardealite 1 part, acrylic type bridging agent 0.8 part, acrylate 1.2 parts, 0.5 part of 701 powder, aluminium polychlorid 0.5
Part, fat acids stabilizer 0.3 part, styrene 0.2 part；
Described pore creating material, in units of weight, is made up of following raw material: 14 parts of paraffin, stearic acid 13 parts, 7 parts of sodium chloride, carbonic acid
Ammonium 12 parts, 5 parts of carbamide；
Described epoxy silane is coupling agent；
Described ardealite is tranquilizer；
Described acrylate is regulator；
Described 701 powder are hardening agent；
Described aluminium polychlorid is flocculation agent；
Described styrene is terminator；
Described stainless steel powder, alumina powder, zirconia powder, carborundum powder, silicon nitride powder, cordierite powder, silica flour, 701 powder
Particle diameter is 5-100 m；
The thickness of described matrix is 24mm, and percent opening is 65%, and density is 1200g/m2；
Described coating, in units of weight, is made up of following raw material: aluminium powder 18 parts, nikel powder 16 parts, titanium valve 7 parts, molybdenum powder 4.5 parts,
Vanadium powder 4 parts, 3 parts of yttrium powder, magnesium powder 1.5 parts, cobalt powder 1.5 parts, 2.5 parts of Hydrocerussitum (Ceruse), azo two isopropylformic acid. (acrylic acid ethylene glycol) ester 0.1
Part, 2,5-dimethyl-2,5-double (benzoyl peroxide)-hexane 0.4 part, platinum catalyst 0.1 part, binding agent 0.7 part, epoxy third
Oxygen propyl trimethoxy silicane 0.3 part；
Described azo two isopropylformic acid. (acrylic acid ethylene glycol) ester is initiator；
Described 2,5-dimethyl-2, double (benzoyl the peroxide)-hexane of 5-is cross-linking agent；
Described binding agent, in units of weight, is made up of following raw material: polyvinyl alcohol 12 parts, strong methylcellulose 10 parts, polyoxy
Change ethylene 18 parts；
Described glycidoxy-propyltrimethoxy silane is viscosifier；
Described aluminium powder, nikel powder, stainless steel powder, titanium valve, molybdenum powder, vanadium powder, yttrium powder, magnesium powder, cobalt powder, the particle diameter of Hydrocerussitum (Ceruse) are 0.1-4
m；
Described coating layer thickness is 60 m；
The preparation method of described automobile porous metal composite material, comprises the following steps:
S1: molten to polyvinyl alcohol, zirconia sol, polyethylene carboxylic butyraldehyde are dissolved in the water of 7 times of its gross mass numbers, with
Rear input methylcellulose, being dried at 72 DEG C after soaking 6h to water content is 8%, prepares mixture I；
S2: by stainless steel powder, alumina powder, zirconia powder, carborundum powder, silicon nitride powder, cordierite powder, silica flour, pore creating material,
Epoxy silane, maleic anhydride grafting compatilizer, ardealite, acrylic type bridging agent, acrylate, 701 powder, aluminium polychlorid,
Fat acids stabilizer, styrene, 600 parts of water are 300W at microwave power, and temperature is 580 DEG C, and rotating speed is to stir under 400r/min
5h, then gains are dried to water content is 8%, prepares mixture II；
S3: the mixture II that the mixture I step S1 prepared and step S2 prepare is 240 DEG C in temperature, and rotating speed is 400r/
Stir 1.8h under min, put into ball-milling treatment in ball mill, make square hole screen surplus≤0.12% of gained material, prepare mixture
Ⅲ；
S4: the mixture III that step step S3 prepares is sent in mould, compressing under pressure is 560MPa, protect at nitrogen
Protect down and sinter 6h with the temperature of 500 DEG C, through naturally cooling to room temperature, prepare matrix；
S5: aluminium powder, nikel powder, titanium valve, molybdenum powder, vanadium powder, yttrium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse) are stirred under rotating speed is 250r/min
8min, prepares mixture IV；
S6: to step S5 prepare mixture IV in add azo two isopropylformic acid. (acrylic acid ethylene glycol) ester, 2,5-dimethyl-2,
5-double (benzoyl peroxide)-hexane, platinum catalyst, binding agent, glycidoxy-propyltrimethoxy silane, at microwave power be
300W, temperature is 200 DEG C, and rotating speed is stirring 1.5h under 300r/min, prepares mixture V；
S7: use the spraying temperature of 1300 DEG C that mixture V uniform heat that step S6 prepares is sprayed on the matrix that step S4 prepares
On surface, prepare composite body；
S8: composite body step S7 prepared uses surface grinding machine to polish sprayed coating so that it is become flat state also
The hole of matrix porosity foam surface is completely covered, prepares the composite body polished；
S9: the composite body polished that step S8 prepares is placed in temperature be 1080 DEG C, in the heat-treatment furnace of protected gas
Carrying out heat treatment, temperature retention time is 5.5h, through naturally cooling to room temperature, prepares automobile porous metal composite material, described guarantor
Protect gas be nitrogen, acetylene, hydrogen by volume=mixed gas of 65:32:3.
Embodiment 2
A kind of automobile porous metal composite material, in units of weight, is made up of following raw material: matrix 180 parts, coating 10
Part；
Described matrix, in units of weight, is made up of following raw material: stainless steel powder 120 parts, alumina powder 15 parts, zirconia powder
14 parts, carborundum powder 12 parts, silicon nitride powder 10 parts, 8 parts of cordierite powder, silica flour 8 parts, polyvinyl alcohol 6 parts, zirconia sol
Molten 4 parts, methylcellulose 3 parts, polyethylene carboxylic butyraldehyde 4 parts, pore creating material 10 parts, epoxy silane 0.8 part, maleic anhydride grafting compatible
Agent 0.6 part, ardealite 0.8 part, acrylic type bridging agent 0.6 part, acrylate 0.5 part, 0.4 part of 701 powder, aluminium polychlorid
0.4 part, fat acids stabilizer 0.2 part, styrene 0.2 part；
Described pore creating material, in units of weight, is made up of following raw material: 12 parts of paraffin, stearic acid 10 parts, 6 parts of sodium chloride, carbonic acid
Ammonium 8 parts, 4 parts of carbamide；
Described epoxy silane is coupling agent；
Described ardealite is tranquilizer；
Described acrylate is regulator；
Described 701 powder are hardening agent；
Described aluminium polychlorid is flocculation agent；
Described styrene is terminator；
Described stainless steel powder, alumina powder, zirconia powder, carborundum powder, silicon nitride powder, cordierite powder, silica flour, 701 powder
Particle diameter is 5-100 m；
The thickness of described matrix is 2mm, and percent opening is 35%, and density is 850g/m2；
Described coating, in units of weight, is made up of following raw material: aluminium powder 16 parts, nikel powder 14 parts, titanium valve 6 parts, molybdenum powder 4 parts, vanadium
3 parts of powder, 2 parts of yttrium powder, magnesium powder 1 part, cobalt powder 1 part, 2 parts of Hydrocerussitum (Ceruse), azo two isopropylformic acid. (acrylic acid ethylene glycol) ester 0.1 part, 2,5-
Dimethyl-2,5-double (benzoyl peroxide)-hexane 0.3 part, platinum catalyst 0.1 part, binding agent 0.6 part, epoxypropoxy three
Methoxy silane 0.2 part；
Described azo two isopropylformic acid. (acrylic acid ethylene glycol) ester is initiator；
Described 2,5-dimethyl-2, double (benzoyl the peroxide)-hexane of 5-is cross-linking agent；
Described binding agent, in units of weight, is made up of following raw material: polyvinyl alcohol 10 parts, strong methylcellulose 8 parts, polyoxygenated
Ethylene 16 parts；
Described glycidoxy-propyltrimethoxy silane is viscosifier；
Described aluminium powder, nikel powder, stainless steel powder, titanium valve, molybdenum powder, vanadium powder, yttrium powder, magnesium powder, cobalt powder, the particle diameter of Hydrocerussitum (Ceruse) are 0.1-4
m；
Described coating layer thickness is 10 m；
The preparation method of described automobile porous metal composite material, comprises the following steps:
S1: molten to polyvinyl alcohol, zirconia sol, polyethylene carboxylic butyraldehyde are dissolved in the water of 5 times of its gross mass numbers, with
Rear input methylcellulose, being dried at 66 DEG C after soaking 8h to water content is 6%, prepares mixture I；
S2: by stainless steel powder, alumina powder, zirconia powder, carborundum powder, silicon nitride powder, cordierite powder, silica flour, pore creating material,
Epoxy silane, maleic anhydride grafting compatilizer, ardealite, acrylic type bridging agent, acrylate, 701 powder, aluminium polychlorid,
Fat acids stabilizer, styrene, 400 parts of water are 100W at microwave power, and temperature is 550 DEG C, and rotating speed is to stir under 200r/min
6h, then gains are dried to water content is 6%, prepares mixture II；
S3: the mixture II that the mixture I step S1 prepared and step S2 prepare is 220 DEG C in temperature, and rotating speed is 200r/
Stir 2h under min, put into ball-milling treatment in ball mill, make square hole screen surplus≤0.12% of gained material, prepare mixture III；
S4: the mixture III that step step S3 prepares is sent in mould, compressing under pressure is 540MPa, protect at nitrogen
Protect down and sinter 8h with the temperature of 420 DEG C, through naturally cooling to room temperature, prepare matrix；
S5: aluminium powder, nikel powder, titanium valve, molybdenum powder, vanadium powder, yttrium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse) are stirred under rotating speed is 200r/min
10min, prepares mixture IV；
S6: to step S5 prepare mixture IV in add azo two isopropylformic acid. (acrylic acid ethylene glycol) ester, 2,5-dimethyl-2,
5-double (benzoyl peroxide)-hexane, platinum catalyst, binding agent, glycidoxy-propyltrimethoxy silane, at microwave power be
200W, temperature is 180 DEG C, and rotating speed is stirring 2h under 200r/min, prepares mixture V；
S7: use the spraying temperature of 1200 DEG C that mixture V uniform heat that step S6 prepares is sprayed on the matrix that step S4 prepares
On surface, prepare composite body；
S8: composite body step S7 prepared uses surface grinding machine to polish sprayed coating so that it is become flat state also
The hole of matrix porosity foam surface is completely covered, prepares the composite body polished；
S9: the composite body polished that step S8 prepares is placed in temperature be 1020 DEG C, in the heat-treatment furnace of protected gas
Carrying out heat treatment, temperature retention time is 6h, through naturally cooling to room temperature, prepares automobile porous metal composite material, described protection
Gas be nitrogen, acetylene, hydrogen by volume=mixed gas of 60:36:2.
Embodiment 3
A kind of automobile porous metal composite material, in units of weight, is made up of following raw material: matrix 360 parts, coating 16
Part；
Described matrix, in units of weight, is made up of following raw material: stainless steel powder 160 parts, alumina powder 22 parts, zirconia powder
18 parts, carborundum powder 16 parts, silicon nitride powder 14 parts, 12 parts of cordierite powder, silica flour 10 parts, polyvinyl alcohol 9 parts, zirconium dioxide molten
Peptization 8 parts, methylcellulose 5 parts, polyethylene carboxylic butyraldehyde 6 parts, pore creating material 16 parts, epoxy silane 1.6 parts, maleic anhydride graft phase
Hold agent 1.5 parts, ardealite 1.2 parts, acrylic type bridging agent 1 part, acrylate 0.8 part, 0.6 part of 701 powder, aluminium polychlorid
0.6 part, fat acids stabilizer 0.4 part, styrene 0.3 part；
Described pore creating material, in units of weight, is made up of following raw material: 16 parts of paraffin, stearic acid 15 parts, 8 parts of sodium chloride, carbonic acid
Ammonium 14 parts, 6 parts of carbamide；
Described epoxy silane is coupling agent；
Described ardealite is tranquilizer；
Described acrylate is regulator；
Described 701 powder are hardening agent；
Described aluminium polychlorid is flocculation agent；
Described styrene is terminator；
Described stainless steel powder, alumina powder, zirconia powder, carborundum powder, silicon nitride powder, cordierite powder, silica flour, 701 powder
Particle diameter is 5-100 m；
The thickness of described matrix is 45mm, and percent opening is 92%, and density is 1500g/m2；
Described coating, in units of weight, is made up of following raw material: aluminium powder 20 parts, nikel powder 18 parts, titanium valve 8 parts, molybdenum powder 5 parts, vanadium
5 parts of powder, 4 parts of yttrium powder, magnesium powder 2 parts, cobalt powder 2 parts, 3 parts of Hydrocerussitum (Ceruse), azo two isopropylformic acid. (acrylic acid ethylene glycol) ester 0.2 part, 2,5-
Dimethyl-2,5-double (benzoyl peroxide)-hexane-0.5 part, platinum catalyst 0.2 part, binding agent 0.8 part, epoxypropoxy
Trimethoxy silane 0.4 part；
Described azo two isopropylformic acid. (acrylic acid ethylene glycol) ester is initiator；
Described 2,5-dimethyl-2, double (benzoyl the peroxide)-hexane of 5-is cross-linking agent；
Described binding agent, in units of weight, is made up of following raw material: polyvinyl alcohol 14 parts, strong methylcellulose 12 parts, polyoxy
Change ethylene 20 parts；
Described glycidoxy-propyltrimethoxy silane is viscosifier；
Described aluminium powder, nikel powder, stainless steel powder, titanium valve, molybdenum powder, vanadium powder, yttrium powder, magnesium powder, cobalt powder, the particle diameter of Hydrocerussitum (Ceruse) are 0.1-4
m；
Described coating layer thickness is 100 m；
The preparation method of described automobile porous metal composite material, comprises the following steps:
S1: molten to polyvinyl alcohol, zirconia sol, polyethylene carboxylic butyraldehyde are dissolved in the water of 9 times of its gross mass numbers, with
Rear input methylcellulose, being dried at 74 DEG C after soaking 5h to water content is 5%, prepares mixture I；
S2: by stainless steel powder, alumina powder, zirconia powder, carborundum powder, silicon nitride powder, cordierite powder, silica flour, pore creating material,
Epoxy silane, maleic anhydride grafting compatilizer, ardealite, acrylic type bridging agent, acrylate, 701 powder, aluminium polychlorid,
Fat acids stabilizer, styrene, 700 parts of water are 400W at microwave power, and temperature is 600 DEG C, and rotating speed is to stir under 500r/min
4h, then gains are dried to water content≤8%, prepare mixture II；
S3: the mixture II that the mixture I step S1 prepared and step S2 prepare is 250 DEG C in temperature, and rotating speed is 500r/
Stir 1.5h under min, put into ball-milling treatment in ball mill, make square hole screen surplus≤0.12% of gained material, prepare mixture
Ⅲ；
S4: the mixture III that step step S3 prepares is sent in mould, compressing under pressure is 580MPa, protect at nitrogen
Protect down and sinter 4h with the temperature of 540 DEG C, through naturally cooling to room temperature, prepare matrix；
S5: aluminium powder, nikel powder, titanium valve, molybdenum powder, vanadium powder, yttrium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse) are stirred under rotating speed is 300r/min
6min, prepares mixture IV；
S6: to step S5 prepare mixture IV in add azo two isopropylformic acid. (acrylic acid ethylene glycol) ester, 2,5-dimethyl-2,
5-double (benzoyl peroxide)-hexane, platinum catalyst, binding agent, glycidoxy-propyltrimethoxy silane, at microwave power be
400W, temperature is 220 DEG C, and rotating speed is stirring 1h under 400r/min, prepares mixture V；
S7: use the spraying temperature of 1400 DEG C that mixture V uniform heat that step S6 prepares is sprayed on the matrix that step S4 prepares
On surface, prepare composite body；
S8: composite body step S7 prepared uses surface grinding machine to polish sprayed coating so that it is become flat state also
The hole of matrix porosity foam surface is completely covered, prepares the composite body polished；
S9: the composite body polished that step S8 prepares is placed in temperature be 1100 DEG C, in the heat-treatment furnace of protected gas
Carrying out heat treatment, temperature retention time is 5h, through naturally cooling to room temperature, prepares automobile porous metal composite material, described protection
Gas be nitrogen, acetylene, hydrogen by volume=mixed gas of 70:28:2.
Automobile porous gold prepared by automobile porous metal composite material embodiment 1-3 prepared and embodiment 1-3
Belong to the polyurethane composite plate material of composite stack pile specification, almag foamed materials is cut into print of the same area, point
Not carrying out impact strength, tensile strength, hardness, extensibility, sound absorption properties and detect than the performance comparison of stiffness, testing result is such as
Shown in following table.
From upper table result it can be seen that the property indices of automobile porous metal composite material for preparing of the present invention is equal
Being better than stack pile, the polyurethane sandwich panel material of same specification and almag foamed materials, wherein impact strength reaches
More than 636.78MPa, tensile strength has reached 675.23 more than MPa, and hardness has reached more than 281.33HRC, and extensibility reaches
To more than 23.56%, sound absorption properties has reached more than 71.38dB, has reached 172.45 α/more than ρ than stiffness, has good machine
Tool performance and sound absorption properties, can be widely applied to automotive field.
Above content it cannot be assumed that the present invention be embodied as be confined to these explanation, technology belonging to the present invention is led
For the those of ordinary skill in territory, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace,
All should be considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted to.
Claims (7)
1. an automobile porous metal composite material, it is characterised in that in units of weight, is made up of following raw material: matrix
180-360 part, coating 10-16 part；
Described matrix, in units of weight, is made up of following raw material: stainless steel powder 120-160 part, alumina powder 15-22 part, oxygen
Change zirconium powder 14-18 part, carborundum powder 12-16 part, silicon nitride powder 10-14 part, cordierite powder 8-12 part, silica flour 8-10 part, gather
Vinyl alcohol 6-9 part, zirconia sol molten 4-8 part, methylcellulose 3-5 part, polyethylene carboxylic butyraldehyde 4-6 part, pore creating material 10-16
Part, epoxy silane 0.8-1.6 part, maleic anhydride grafting compatilizer 0.6-1.5 part, ardealite 0.8-1.2 part, acrylic type are built bridge
Agent 0.6-1 part, acrylate 0.5-0.8 part, 701 powder 0.4-0.6 parts, aluminium polychlorid 0.4-0.6 part, fat acids stabilizer
0.2-0.4 part, styrene 0.2-0.3 part；
Described pore creating material, in units of weight, is made up of following raw material: paraffin 12-16 part, stearic acid 10-15 part, sodium chloride 6-8
Part, ammonium carbonate 8-14 part, carbamide 4-6 part；
Described coating, in units of weight, is made up of following raw material: aluminium powder 16-20 part, nikel powder 14-18 part, titanium valve 6-8 part, molybdenum
Powder 4-5 part, vanadium powder 3-5 part, yttrium powder 2-4 part, magnesium powder 1-2 part, cobalt powder 1-2 part, Hydrocerussitum (Ceruse) 2-3 part, azo two isopropylformic acid. (acrylic acid
Ethylene glycol) ester 0.1-0.2 part, 2,5-dimethyl-2,5-double (benzoyl peroxide)-hexane 0.3-0.5 part, platinum catalyst 0.1-
0.2 part, binding agent 0.6-0.8 part, glycidoxy-propyltrimethoxy silane 0.2-0.4 part；
Described binding agent, in units of weight, is made up of following raw material: polyvinyl alcohol 10-14 part, strong methylcellulose 8-12 part,
Polyethylene glycol oxide 16-20 part；
The preparation method of described automobile porous metal composite material, comprises the following steps:
S1: molten to polyvinyl alcohol, zirconia sol, polyethylene carboxylic butyraldehyde are dissolved in the water of 5-9 times of its gross mass number,
Put into methylcellulose subsequently, be dried to water content≤8% at 66-74 DEG C after soaking 5-8h, prepare mixture I；
S2: by stainless steel powder, alumina powder, zirconia powder, carborundum powder, silicon nitride powder, cordierite powder, silica flour, pore creating material,
Epoxy silane, maleic anhydride grafting compatilizer, ardealite, acrylic type bridging agent, acrylate, 701 powder, aluminium polychlorid,
Fat acids stabilizer, styrene, 400-700 part water are 100-400W at microwave power, and temperature is 550-600 DEG C, and rotating speed is
Stirring 4-6h under 200-500r/min, then gains are dried to water content≤8%, prepare mixture II；
S3: the mixture II that the mixture I step S1 prepared and step S2 prepare is 220-250 DEG C in temperature, and rotating speed is
Stir 1.5-2h under 200-500r/min, put into ball-milling treatment in ball mill, make square hole screen surplus≤0.12% of gained material,
Prepare mixture III；
S4: the mixture III that step step S3 prepares is sent in mould, compressing under pressure is 540-580MPa, at nitrogen
Under gas shielded, the temperature with 420-540 DEG C sinters 4-8h, through naturally cooling to room temperature, prepares matrix；
S5: aluminium powder, nikel powder, titanium valve, molybdenum powder, vanadium powder, yttrium powder, magnesium powder, cobalt powder, Hydrocerussitum (Ceruse) are stirred under rotating speed is 200-300r/min
Mix 6-10min, prepare mixture IV；
S6: to step S5 prepare mixture IV in add azo two isopropylformic acid. (acrylic acid ethylene glycol) ester, 2,5-dimethyl-2,
5-double (benzoyl peroxide)-hexane, platinum catalyst, binding agent, glycidoxy-propyltrimethoxy silane, at microwave power be
200-400W, temperature is 180-220 DEG C, and rotating speed is stirring 1-2h under 200-400r/min, prepares mixture V；
S7: use the spraying temperature of 1200-1400 DEG C that mixture V uniform heat that step S6 prepares is sprayed on step S4 and prepare
Matrix surface on, prepare composite body；
S8: composite body step S7 prepared uses surface grinding machine to polish sprayed coating so that it is become flat state also
The hole of matrix porosity foam surface is completely covered, prepares the composite body polished；
S9: the composite body polished that step S8 prepares is placed in temperature is 1020-1100 DEG C, the heat treatment of protected gas
Carrying out heat treatment in stove, temperature retention time is 5-6h, through naturally cooling to room temperature, and prepared automobile porous metal composite material.
Automobile porous metal composite material the most according to claim 1, it is characterised in that described stainless steel powder, oxidation
Aluminium powder, zirconia powder, carborundum powder, silicon nitride powder, cordierite powder, silica flour, the particle diameter of 701 powder are 5-100 m.
Automobile porous metal composite material the most according to claim 1, it is characterised in that the thickness of described matrix is 2-
45mm, percent opening is 35%-92%, and density is 850-1500g/m2。
Automobile porous metal composite material the most according to claim 1, it is characterised in that described aluminium powder, nikel powder, stainless
Comminuted steel shot, titanium valve, molybdenum powder, vanadium powder, yttrium powder, magnesium powder, cobalt powder, the particle diameter of Hydrocerussitum (Ceruse) are 0.1-4 m.
Automobile porous metal composite material the most according to claim 1, it is characterised in that described coating layer thickness is 10-
100µm。
Automobile porous metal composite material the most according to claim 1, it is characterised in that protect gas described in step S9
Body be nitrogen, acetylene, hydrogen by volume=mixed gas of 60-70:28-36:2-4.
Automobile porous metal composite material the most according to claim 6, it is characterised in that described protective gas is nitrogen
Gas, acetylene, hydrogen by volume=mixed gas of 70:28:2.
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Application publication date: 20161116 |