CN108441168A - A kind of Zirconium oxide fibre enhancing ceramic-based friction material and its preparation method and application - Google Patents
A kind of Zirconium oxide fibre enhancing ceramic-based friction material and its preparation method and application Download PDFInfo
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- CN108441168A CN108441168A CN201810383938.4A CN201810383938A CN108441168A CN 108441168 A CN108441168 A CN 108441168A CN 201810383938 A CN201810383938 A CN 201810383938A CN 108441168 A CN108441168 A CN 108441168A
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- zirconium oxide
- friction material
- oxide fibre
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- based friction
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- 239000000835 fiber Substances 0.000 title claims abstract description 68
- 239000002783 friction material Substances 0.000 title claims abstract description 68
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 229910001928 zirconium oxide Inorganic materials 0.000 title claims abstract description 67
- 239000000919 ceramic Substances 0.000 title claims abstract description 53
- 230000002708 enhancing effect Effects 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000010881 fly ash Substances 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 239000011230 binding agent Substances 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 238000007711 solidification Methods 0.000 claims abstract description 9
- 230000008023 solidification Effects 0.000 claims abstract description 9
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 13
- 229940056319 ferrosoferric oxide Drugs 0.000 claims description 12
- 229910002804 graphite Inorganic materials 0.000 claims description 12
- 239000010439 graphite Substances 0.000 claims description 12
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 11
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 11
- 229920000459 Nitrile rubber Polymers 0.000 claims description 10
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 6
- 229920001568 phenolic resin Polymers 0.000 claims description 6
- 239000005011 phenolic resin Substances 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- CMLFRMDBDNHMRA-UHFFFAOYSA-N 2h-1,2-benzoxazine Chemical compound C1=CC=C2C=CNOC2=C1 CMLFRMDBDNHMRA-UHFFFAOYSA-N 0.000 claims 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 244000226021 Anacardium occidentale Species 0.000 description 8
- 235000020226 cashew nut Nutrition 0.000 description 8
- 239000010466 nut oil Substances 0.000 description 8
- 229920000180 alkyd Polymers 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000010792 warming Methods 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- BCHZICNRHXRCHY-UHFFFAOYSA-N 2h-oxazine Chemical compound N1OC=CC=C1 BCHZICNRHXRCHY-UHFFFAOYSA-N 0.000 description 1
- 229920000914 Metallic fiber Polymers 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000005605 benzo group Chemical group 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 231100000481 chemical toxicant Toxicity 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- RCHKEJKUUXXBSM-UHFFFAOYSA-N n-benzyl-2-(3-formylindol-1-yl)acetamide Chemical compound C12=CC=CC=C2C(C=O)=CN1CC(=O)NCC1=CC=CC=C1 RCHKEJKUUXXBSM-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/149—Antislip compositions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
- F16D69/027—Compositions based on metals or inorganic oxides
- F16D69/028—Compositions based on metals or inorganic oxides containing fibres
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Braking Arrangements (AREA)
Abstract
A kind of Zirconium oxide fibre enhancing ceramic-based friction material of present invention offer and its preparation method and application, is related to friction materials technology field.A kind of Zirconium oxide fibre enhancing ceramic-based friction material, by weight percentage, the raw material for preparing Zirconium oxide fibre enhancing ceramic-based friction material includes：Zirconium oxide fibre 10~30%, flyash 30~55%, binder 8~23%, anti-wear agent 13~32% and lubricant 6~17%.The material is cost-effective, at low cost, stable friction factor, has preferable high temperature resistance, wearability and acidproof corrosion resistance.The preparation method of above-mentioned Zirconium oxide fibre enhancing ceramic-based friction material, including：The batch mixing of raw material is subjected to cold pressing solidification and hot-press solidifying, then will be heat-treated by cured material.This method is easy to operate, and controllability is strong, is suitable for industrialized production.
Description
Technical field
The present invention relates to friction materials technology fields, and more particularly to a kind of Zirconium oxide fibre enhances ceramic-based friction material
And its preparation method and application.
Background technology
Automotive brake friction material is the critical material of automotive brake pads, has weight to automobile balance, safe and reliable operation
It influences.It is to improve the important means of brake block friction material performance to add reinforcing fiber.Metallic fiber have environmental protection,
The advantages that powder is of reduced contamination is obtained using the resin-matrix friction material of metal or few metal fiber reinforced in automotive brake pads
Wide application, but there are oxidizable corrosion, brake noise is big, easily scratches the defects of antithesis disk, while resin under high temperature
That there are heat fadings is big for matrix, the problems such as wearing no resistance, and the application of this kind of friction material is caused to be somewhat limited.Using
Carbon fibe, aramid fiber and ceramic whisker etc. can further be effectively improved the comprehensive performance of friction material, but these enhancings are fine
Tie up expensive, thus application of this kind of friction material reinforced in automotive brake pads is very restricted.Development is new
The friction material with preferable frictional behaviour and better stability of type is of great significance to the performance improvement of brake block.
Invention content
The purpose of the present invention is to provide a kind of Zirconium oxide fibre enhance ceramic-based friction material, the lower cost for material,
With preferable stability, high temperature resistance, wearability and acidproof corrosion resistance.
Another object of the present invention is to provide the preparation methods that above-mentioned Zirconium oxide fibre enhances ceramic-based friction material, should
Method is easy to operate, and controllability is strong, is suitable for industrialized production.
Another object of the present invention is to provide above-mentioned Zirconium oxide fibre to enhance ceramic-based friction material in automobile making side
The application in face.
The present invention solves its technical problem using following technical scheme to realize.
The present invention proposes that a kind of Zirconium oxide fibre enhancing ceramic-based friction material prepares zirconium oxide by weight percentage
The raw material of fiber reinforced ceramic-base friction material includes：Zirconium oxide fibre 10~30%, flyash 30~55%, binder 8~
23%, anti-wear agent 13~32% and lubricant 6~17%.
The present invention proposes the preparation method of above-mentioned Zirconium oxide fibre enhancing ceramic-based friction material, including：By the mixed of raw material
Material carries out cold pressing solidification and hot-press solidifying, then will be heat-treated by cured material.
Application of the above-mentioned Zirconium oxide fibre enhancing ceramic-based friction material in terms of automobile making.
The beneficial effects of the invention are as follows：
The present invention is made flyash using Zirconium oxide fibre, flyash, binder, anti-wear agent and lubricant as raw material
For ceramic matrix, there is preferable high temperature resistance, Zirconium oxide fibre to have high intensity, high tenacity, high-temperature oxidation resistance, height
Temperature stability energy, acid-alkali-corrosive-resisting performance, the two compound use has the function of synergy, in binder, anti-wear agent and profit
Under the action of lubrication prescription, high temperature resistant, the Co-crosslinked System of high tenacity are formed, adjusts the proportioning of each component so that zirconium oxide obtained
Fiber reinforced ceramic-base friction material has preferably high temperature resistance, wear-resisting property, acidproof corrosion resistance, mechanical property and machine
Tool intensity in terms of can be applied to automobile making, can be used for preparing the friction materials such as automotive brake pads so that the automobile of preparation is stopped
Vehicle piece heat-resisting quantity is good, abrasion is small, brake noise is small.Flyash is industrial residue, by refuse reclamation, reduces industrial residue pair
The influence of environment, while reducing production cost.Zirconium oxide fibre enhances the preparation method simple possible of ceramic-based friction material, can
Control property is strong, is suitable for industrialized production.
Specific implementation mode
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
Ceramic-based friction material and preparation method thereof is enhanced to a kind of Zirconium oxide fibre of the embodiment of the present invention below and is answered
With being specifically described.
A kind of Zirconium oxide fibre provided in an embodiment of the present invention enhances ceramic-based friction material, by weight percentage, system
The primary raw material of standby Zirconium oxide fibre enhancing ceramic-based friction material includes：Zirconium oxide fibre 10~30%, flyash 30~
55%, binder 8~23%, anti-wear agent 13~32% and lubricant 6~17%.Preferably, Zirconium oxide fibre be 15~
25%, flyash is 35~50%, and binder is 10~20%, and anti-wear agent is 15~30% and lubricant is 10~15%.
Zirconium oxide fibre is the docrystalline inorfil that main component is zirconium oxide, has intensity height, good toughness, uses temperature
Degree is high, high-temperature oxidation resistance is fabulous, the features such as having stable high-temperature performance, is non-volatile, is pollution-free, is durable and environmentally protective,
Meanwhile the ability of the acid-alkali-corrosive-resisting of Zirconium oxide fibre is also much stronger than alumina fibre and glass fibre etc..
With the development of industry, industrial residue flyash discharge capacity increases year by year, becomes the larger work of the current discharge capacity in China
One of industry waste residue.A large amount of flyash is untreated, will produce airborne dust, pollutes air；River can be caused to silt up if being discharged into water system,
And toxic chemical substance therein can also cause damages to human body and biology.The present invention is carried using flyash as ceramic matrix
The ceramic content of high material, and then high temperature resistance, friction and wear behavior, the chemical stability of material are improved, noise is reduced, and
And refuse reclamation, influence of the industrial residue to environment is reduced, production cost is reduced.The flyash that the present invention uses is mainly work
Industry waste residue and pulverized fuel ash, industrial residue flyash mainly include silica, zirconium oxide, ferrous oxide, iron oxide, calcium oxide and
The substances such as titanium dioxide.Flyash can also enhance preparation Zirconium oxide fibre enhancing ceramic-based friction material metal species and
Content has the function of synergy with Zirconium oxide fibre collective effect, improve the mechanical strength of material, mechanical property and
Friction and wear behavior.
Binder is the guarantee of adhesion strength between abrasive material and matrix, and binder includes phenolic resin, nitrile rubber, benzo
At least one of oxazine resin, epoxy resin.When binder includes two kinds or more of chemical agent, fully comprehensively utilize not
With the performance of binder, high temperature resistant, the Co-crosslinked System of high tenacity are formed with Zirconium oxide fibre and flyash, further increases and rubs
Wipe mechanical strength, mechanical property and the friction and wear behavior of material.Preferably, phenolic resin includes cashew nut oil modified phenolic aldehyde
Resin.
Friction material needs have higher wear-resisting property, ensures its service life.The anti-wear agent packet of the embodiment of the present invention
Include at least one of ice crystal, ferroso-ferric oxide and copper powder.When compound use ice crystal, ferroso-ferric oxide and copper powder
When, transfer membrane is formed between friction material and antithesis, is improved moment of friction and is stablized friction coefficient, reduces the damage to mating plate
Wound, wear-resisting property is highly improved, while also improving the thermal stability of friction material.
Lubricant assists anti-wear agent to improve the wearability of friction material, reduces noise and reduces friction coefficient.In the present invention
Lubricant includes at least one of molybdenum disulfide and graphite.
Further, in the present invention preferably embodiment, when raw material includes：Zirconium oxide fibre 10~30%, flyash
30~55%, phenolic resin 5~15%, nitrile rubber 3~8%, ice crystal 5~10%, molybdenum disulfide 1~5%, graphite 5~
12%, when ferroso-ferric oxide 5~12% and copper powder 3~10%, Zirconium oxide fibre enhancing ceramic-based friction material tool obtained
There are preferable high temperature resistance, mechanical property, wearability and mechanical strength.Preferably, the content of Zirconium oxide fibre can be
16%, 19%, 21%, 22%, 26%, 28%, 30%, the content of flyash can be 31%, 33%, 36%, 37%,
39%, 42%, 46%, 48%, 51%, 55%, the content of phenolic resin can be 6%, 7%, 9%, 12%, 15%, Ding Qing
The content of rubber can be 4%, 5%, 7%, 6%, and the content of ice crystal can be 6%, 7%, 8%, 9%, molybdenum disulfide
Content can be 2%, 4%, and the content of graphite can be 7%, 8%, 9%, 11%, the content of ferroso-ferric oxide can be 6%,
9%, 10% and copper powder content can be 6%, 8%, 9%.
The present invention also provides the preparation methods that above-mentioned Zirconium oxide fibre enhances ceramic-based friction material, including：
Dispensing：Raw material is weighed according to the ratio；
Batch mixing：The present invention uses batch mixer batch mixing, the raw material weighed up is put into high speed mixer, 4~6min of batch mixing.
Compression moulding：The present invention uses cold moudling-hot-press solidifying two-step method, and batch mixing is poured into cold stamping die, 140~
10~15s of pressurize under the pressure of 160MPa.To through and cold pressing cured batch mixing and be placed in hot-die, 155~165 DEG C, 30~
Pressurize is carried out under conditions of 50MPa, the thickness for enhancing ceramic-based friction material during pressurize according to Zirconium oxide fibre carries out
It deflates.Preferably, each deflation time is 60s/mm, and deflation number is 8~12 times.The step makes each raw material combines more to step up
It is close, enhance the density and mechanical strength of friction material.
Heat treatment：Batch mixing after solidification is kept the temperature into 3~5h under conditions of 150~170 DEG C, with 3~5 DEG C/min's
After heating rate rises to 200~220 DEG C, 3~5h is kept the temperature.Material its stability after heat treatment is more preferable, and high temperature resistance is more preferably.
Zirconium oxide fibre enhancing ceramic-based friction material provided by the invention has preferable high temperature resistance, mechanical property
Energy, wearability and mechanical strength in terms of can be applied to automobile making, can be used for preparing the friction materials such as automotive brake pads, make
The automotive brake pads heat-resisting quantity that must prepare is good, abrasion is small, brake noise is small.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of Zirconium oxide fibre enhancing ceramic-based friction material and preparation method thereof is present embodiments provided, including：
By weight percentage, Zirconium oxide fibre 14%, flyash 47%, cashew nut oil modified alkyd resin are weighed
13%, nitrile rubber 4%, ice crystal 5%, molybdenum disulfide 1%, graphite 6%, ferroso-ferric oxide 5%, copper powder 5%.
Each component materials are weighed by above-mentioned weight ratio, using cold moudling-hot-press solidifying two-step method, including：
Load weighted each material is put into cone tank batch mixer, batch mixing 5min；The mixture weighed is poured into cold stamping die
In, pressure 142MPa, dwell time 11s；Sample after cold pressing is put into hot-die, temperature is 155 DEG C, pressure is
Under conditions of 30MPa, pressurize 12min deflates 11 times；Ceramic-based friction material sample after solidification is put into heat-treatment furnace,
3h is kept the temperature under conditions of 150 DEG C, 200 DEG C is warming up to the heating rate of 3 DEG C/min, keeps the temperature 3h.
Embodiment 2
A kind of Zirconium oxide fibre enhancing ceramic-based friction material and preparation method thereof is present embodiments provided, including：
By weight percentage, Zirconium oxide fibre 15%, flyash 45%, cashew nut oil modified alkyd resin are weighed
10%, nitrile rubber 5%, ice crystal 6%, molybdenum disulfide 3%, graphite 5%, ferroso-ferric oxide 5%, copper powder 6%.
Each component materials are weighed by above-mentioned weight ratio, using cold moudling-hot-press solidifying two-step method, including：
Load weighted each material is put into cone tank batch mixer, batch mixing 4min；The mixture weighed is poured into cold stamping die
In, pressure 150MPa, dwell time 12s；Sample after cold pressing is put into hot-die, temperature is 160 DEG C, pressure is
Under conditions of 40MPa, pressurize 12min deflates 10 times；Ceramic-based friction material sample after solidification is put into heat-treatment furnace,
4h is kept the temperature under conditions of 160 DEG C, 210 DEG C is warming up to the heating rate of 5 DEG C/min, keeps the temperature 4h.
Embodiment 3
A kind of Zirconium oxide fibre enhancing ceramic-based friction material and preparation method thereof is present embodiments provided, including：
By weight percentage, Zirconium oxide fibre 20%, flyash 38%, cashew nut oil modified alkyd resin are weighed
12%, nitrile rubber 3%, ice crystal 6%, molybdenum disulfide 2%, graphite 7%, ferroso-ferric oxide 7%, copper powder 5%.
Each component materials are weighed by above-mentioned weight ratio, using cold moudling-hot-press solidifying two-step method, including：
Load weighted each material is put into cone tank batch mixer, batch mixing 5min；The mixture weighed is poured into cold stamping die
In, pressure 150MPa, dwell time 12s；Sample after cold pressing is put into hot-die, temperature is 160 DEG C, pressure is
Under conditions of 40MPa, pressurize 12min deflates 10 times；Ceramic-based friction material sample after solidification is put into heat-treatment furnace,
4h is kept the temperature under conditions of 160 DEG C, 210 DEG C is warming up to the heating rate of 5 DEG C/min, keeps the temperature 4h.
Embodiment 4
A kind of Zirconium oxide fibre enhancing ceramic-based friction material and preparation method thereof is present embodiments provided, including：
By weight percentage, Zirconium oxide fibre 25%, flyash 33%, cashew nut oil modified alkyd resin are weighed
10%, nitrile rubber 5%, ice crystal 7%, molybdenum disulfide 3%, graphite 5%, ferroso-ferric oxide 7%, copper powder 5%.
Each component materials are weighed by above-mentioned weight ratio, using cold moudling-hot-press solidifying two-step method, including：
Load weighted each material is put into cone tank batch mixer, batch mixing 6min；The mixture weighed is poured into cold stamping die
In, pressure 150MPa, dwell time 15s；Sample after cold pressing is put into hot-die, temperature is 165 DEG C, pressure is
Under conditions of 50MPa, pressurize 13min deflates 9 times；Ceramic-based friction material sample after solidification is put into heat-treatment furnace,
5h is kept the temperature under conditions of 160 DEG C, 220 DEG C is warming up to the heating rate of 4 DEG C/min, keeps the temperature 5h.
Embodiment 5
A kind of Zirconium oxide fibre enhancing ceramic-based friction material and preparation method thereof is present embodiments provided, including：
By weight percentage, Zirconium oxide fibre 25%, flyash 35%, cashew nut oil modified alkyd resin are weighed
13%, nitrile rubber 4%, ice crystal 7%, molybdenum disulfide 2%, graphite 5%, ferroso-ferric oxide 4%, copper powder 5%.
Each component materials are weighed by above-mentioned weight ratio, using cold moudling-hot-press solidifying two-step method, including：
Load weighted each material is put into cone tank batch mixer, batch mixing 5min；The mixture weighed is poured into cold stamping die
In, pressure 145MPa, dwell time 14s；Sample after cold pressing is put into hot-die, temperature is 160 DEG C, pressure is
Under conditions of 50MPa, pressurize 12min deflates 11 times；Ceramic-based friction material sample after solidification is put into heat-treatment furnace,
3h is kept the temperature under conditions of 170 DEG C, 210 DEG C is warming up to the heating rate of 5 DEG C/min, keeps the temperature 4h.
Comparative example 1
This comparative example provides a kind of glass fiber reinforcement ceramic-based friction material and preparation method thereof, including：
By weight percentage, glass fibre 60% is weighed, cashew nut oil modified alkyd resin 12%, ice crystal 10%,
Graphite 10%, copper powder 8%.
Each component materials are weighed by above-mentioned weight ratio, prepared by the preparation method provided using embodiment 1.
Comparative example 2
This comparative example provides a kind of composite fibre enhancing ceramic-based friction material and preparation method thereof, including：
By weight percentage, it weighs by weight percentage, weighs Zirconium oxide fibre 15%, aramid fiber 45%, powder
Coal ash 10%, cashew nut oil modified alkyd resin 2%, nitrile rubber 3%, ice crystal 1%, molybdenum disulfide 3%, graphite 10%,
Ferroso-ferric oxide 1%, copper powder 10%.
Each component materials are weighed by above-mentioned weight ratio, prepared by the preparation method provided using embodiment 2.
According to national standard GB5763-2008, the Zirconium oxide fibre enhancing ceramic-based friction material that provide Examples 1 to 5 and
The friction material that comparative example 1~2 provides carries out fixed speed fricting test, and the results are shown in Table 1 for acquisition.
1 Zirconium oxide fibre of table enhances ceramic-based friction material fixed speed fricting test result
As it can be seen from table 1 compared to comparative example 1~2, Zirconium oxide fibre enhancing ceramic base prepared by Examples 1 to 5 rubs
It is preferable to wipe friction coefficient, the wear rate stability of material at high temperature, without apparent heat fading phenomenon, meets national standard and wants
It asks.The brake pad surface that is obtained after experiment is complete, flawless, has the characteristics that wear small, noiseless.Illustrate provided by the invention
The preparation method that Zirconium oxide fibre enhances ceramic-based friction material is more scientific and reasonable, and component and the dosage more science of raw material are closed
Reason.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of Zirconium oxide fibre enhances ceramic-based friction material, which is characterized in that by weight percentage, prepare the oxidation
The raw material of zirconium fiber reinforced ceramic-base friction material includes：Zirconium oxide fibre 10~30%, flyash 30~55%, binder 8
~23%, anti-wear agent 13~32% and lubricant 6~17%.
2. Zirconium oxide fibre according to claim 1 enhances ceramic-based friction material, which is characterized in that the raw material packet
It includes：The Zirconium oxide fibre 15~25%, the flyash 35~50%, the binder 10~20%, the anti-wear agent 15
~30% and the lubricant 10~15%.
3. Zirconium oxide fibre according to claim 1 enhances ceramic-based friction material, which is characterized in that the binder packet
Include at least one of phenolic resin, nitrile rubber, benzoxazine colophony, epoxy resin.
4. Zirconium oxide fibre according to claim 3 enhances ceramic-based friction material, which is characterized in that the anti-wear agent packet
Include at least one of ice crystal, ferroso-ferric oxide and copper powder, it is preferable that the lubricant includes in molybdenum disulfide and graphite
At least one.
5. Zirconium oxide fibre according to claim 4 enhances ceramic-based friction material, which is characterized in that the raw material packet
It includes：The Zirconium oxide fibre 10~30%, the flyash 30~55%, the phenolic resin 5~15%, the nitrile rubber
3~8%, the ice crystal 5~10%, the molybdenum disulfide 1~5%, the graphite 5~12%, the ferroso-ferric oxide 5~
12% and the copper powder 3~10%.
6. a kind of preparation method enhancing ceramic-based friction material such as Zirconium oxide fibre described in any one of claim 1 to 5,
It is characterized in that, including：The batch mixing of the raw material is subjected to cold moudling and hot-press solidifying, then cured material will be passed through and carry out heat
Processing.
7. Zirconium oxide fibre according to claim 6 enhances ceramic-based friction material, which is characterized in that the side of cold moudling
Method includes：The batch mixing is poured into cold stamping die, 10~15s of pressurize under the pressure of 140~160MPa.
8. Zirconium oxide fibre according to claim 6 enhances ceramic-based friction material, which is characterized in that the side of hot-press solidifying
Method includes：To through and cold pressing the cured batch mixing and be placed in hot-die, under conditions of 155~165 DEG C, 30~50MPa into
Row pressurize, the thickness for enhancing ceramic-based friction material during pressurize according to the Zirconium oxide fibre are deflated, it is preferable that
Each deflation time is 60s/mm, and deflation number is 8~12 times.
9. the preparation method of Zirconium oxide fibre enhancing ceramic-based friction material according to claim 6, which is characterized in that heat
The method of processing includes：The batch mixing after solidification is kept the temperature into 3~5h under conditions of 150~170 DEG C, with 3~5 DEG C/
After the heating rate of min rises to 200~220 DEG C, 3~5h is kept the temperature.
10. as Zirconium oxide fibre described in any one of claim 1 to 5 enhances ceramic-based friction material in terms of automobile making
Using.
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| CN111574811A (en) * | 2020-05-22 | 2020-08-25 | 陕西科技大学 | Preparation method of multilayer reticular zirconia fiber reinforced resin-based material |
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