CN107012413A - A kind of preparation method of complex abrasion-proof brake block - Google Patents
A kind of preparation method of complex abrasion-proof brake block Download PDFInfo
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- CN107012413A CN107012413A CN201710297308.0A CN201710297308A CN107012413A CN 107012413 A CN107012413 A CN 107012413A CN 201710297308 A CN201710297308 A CN 201710297308A CN 107012413 A CN107012413 A CN 107012413A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/14—Making alloys containing metallic or non-metallic fibres or filaments by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
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Abstract
The invention discloses a kind of preparation method of complex abrasion-proof brake block, respectively with potassium permanganate, barium monoxide, quartz sand, NiZr alloy powders, titanium oxide, aluminum oxide, the raw material such as glass fibre passes through ball-milling treatment, TDI processing, coupling agent treatment, the modified method such as alkali process prepares Performances of Novel Nano-Porous meter level complex abrasion-proof brake block.
Description
Technical field
The present invention relates to a kind of preparation method of complex abrasion-proof brake block, belong to brake system technical field.
Background technology
Brake block is crucial safety component in automobile brake system.From 1897, first item brake block came out, with one
Material science and auto industry development with rapid changepl. never-ending changes and improvements since individual many centuries, brake block friction material also experienced important several times
Change, different development characteristic are formd in region and age.Compared with World Developed Countries (such as Japan, America and Europe), China stops
In car piece industry starting evening, market also has been at very different situation；More it is worth noting that, China's brake block friction material
Ability to develop independently is weak, in high-end brake block market almost without one seat.I have invented a kind of Performances of Novel Nano-Porous meter level complex abrasion-proof
The preparation method of brake block, its wear-resisting intensity has a certain degree of raising.
The content of the invention
In view of the above-mentioned problems of the prior art, the present invention provides a kind of preparation method of complex abrasion-proof brake block, it is resistance to
Grind effect fine.
To achieve these goals, the technical solution adopted by the present invention is：A kind of Performances of Novel Nano-Porous meter level complex abrasion-proof brake block
Preparation method.
Comprise the following steps：
Step 1, first by potassium permanganate, barium monoxide, quartz sand, NiZr alloy powders, titanium oxide, aluminum oxide, cupric oxide,
Glass fibre, 2h is purged polytetrafluoroethylene (PTFE) under 200ml/min under neon atmosphere, is then carried out under nitrogen atmosphere at ultrasonic wave
Manage 5h；
Step 2, by barium monoxide, quartz sand, NiZr alloy powders pass through high-energy ball milling 48h, spray drying, 1500 DEG C of argon gas
Protect and sinter 6h, the processing technology such as not damaged crushing and screening prepares barium silicon/nickel zirconium powder；
Step 3, by titanium oxide, by being put into ptfe autoclave after alumina powder mixing, then carry out
High pressure-temperature reacts, in 600KPa, 1200 DEG C of reaction 8h, then takes out broken, and sieve classification prepares titanium oxide/aluminum oxide eutectic
Powder；
Step 4 and then barium silicon/nickel zirconium powder by preparation, titanium oxide/aluminum oxide eutectic powder carry out uniformly mixing resistance to
Glass fibre, is then added in mixed-powder by the wear-resisting powder of high-temperature self-lubrication, then carries out TDI processing:By mixed-powder
It is placed in CCl4 solution, a small amount of TDI, more than magnetic agitation 3h is added dropwise until dripping off completely in dropping funel；
Step 5, by phosphoric acid, potassium permanganate, cupric oxide mixing is warming up to 180 DEG C of reaction 5h, cupric phosphate manganese solution is made,
Then the solution is added in the mixed-powder of above-mentioned process TDI processing and solution is made, then carrying out magnetic agitation 5h；
After step 6, stirring terminate, coupling agent treatment is being carried out:In 95% ethanol water, its pH is adjusted with acetic acid
Value adds after the KH-550 type silane of 1: 50 (volume ratio), hydrolysis 5min 4~5, is put into magnetic force in above-mentioned solution while stirring
Stir 4h；
Step 7 and then above-mentioned solution is placed in microwave reactor in microwave reactor with 35kap/min speed liter
750kpa is pressed onto, temperature rises to 1450 DEG C with 25 DEG C/min speed, 8h is reacted under nitrogen atmosphere, then in thermostatic drying chamber
In 110 DEG C of dry 5h, 8h is then calcined under nitrogen atmosphere in Muffle furnace, nanoscale high-abrasive material is tentatively made；
Step 8 and then polytetrafluoroethylene (PTFE) is added in the nanoscale high-abrasive material being tentatively made, then carries out normal temperature alkali
Wash, 3h is soaked with 5% sodium hydroxide solution, then with deionized water rinsing to neutrality；
Step 9 and then dry, the pre-burning in 110 DEG C of thermostatic drying chambers；Finally give NEW TYPE OF COMPOSITE high-abrasive material；Step
10 and then by compression molding mode sample, process conditions is made in obtained NEW TYPE OF COMPOSITE high-abrasive material powder:Charge temperature,
900 DEG C, forming temperature, 950~990 DEG C, briquetting pressure 120MPa；Hardening time, 12min.
The step 9, is specially to be dried in 110 DEG C of thermostatic drying chambers, the finally first time pre-burning in tube furnace, two
Under carbonoxide atmosphere, the time is 150 minutes, 650 DEG C of temperature, 0.5MPa；Then the time is 150 under nitrogen atmosphere for second of pre-burning
Minute, about 700 DEG C of temperature, 0.8MPa；Under an argon atmosphere, the time is 150 minutes, 850 DEG C of temperature for last third time pre-burning,
1.0MPa；Finally give NEW TYPE OF COMPOSITE high-abrasive material.
Beneficial effect:The preparation method of Performances of Novel Nano-Porous meter level complex abrasion-proof brake block of the present invention, can effectively strengthen brake
The intensity of piece skeleton makes its high temperature resistant, and wear-resisting intensity is improved, wherein alloy, and the addition of the oxide such as titanium oxide can be significantly
Its crushing resistance is improved, glass fibre etc., which is added, makes its internal structure aligned orderly, there is relatively good retractility to be difficult because external pressure
It is excessive to cause structure to be destroyed.And by ball-milling treatment in preparation process, TDI processing, these modification sides such as coupling agent treatment
Method makes the wear-resisting intensity of obtained Performances of Novel Nano-Porous meter level complex abrasion-proof brake block bigger.Wherein NiZr alloy powders and glass fiber quality
Than 2:1 sample.20 parts of NiZr alloy powders, 10 parts of glass fibre, 2 parts of potassium permanganate, 3 parts of barium monoxide, 3 parts of quartz sand, oxidation
2 parts of titanium, 3 parts of aluminum oxide, 2 parts of cupric oxide, 8 parts of glass fibre, 10 parts of polytetrafluoroethylene (PTFE), TDI1 parts, the KH- of 1: 50 (volume ratio)
550 type silane, 100 parts of 5% sodium hydroxide solution, 5 parts of phosphoric acid.And NiZr alloy powders compare 1 with glass fiber quality:2
Sample.20 parts of NiZr alloy powders, 10 parts of glass fibre, 2 parts of potassium permanganate, 3 parts of barium monoxide, 3 parts of quartz sand, 2 parts of titanium oxide,
3 parts of aluminum oxide, 2 parts of cupric oxide, 8 parts of glass fibre, 10 parts of polytetrafluoroethylene (PTFE), TDI1 parts, the KH-550 types of 1: 50 (volume ratio)
Silane, 100 parts of 5% sodium hydroxide solution, 5 parts of phosphoric acid.Obtained Performances of Novel Nano-Porous meter level complex abrasion-proof brake under both ratios
Piece abrasion resistant effect is best.
Embodiment
Embodiment 1 produces NiZr alloy powders and compares 2 with glass fiber quality:1 sample.20 parts of NiZr alloy powders, glass
10 parts of fiber, 2 parts of potassium permanganate, 3 parts of barium monoxide, 3 parts of quartz sand, 2 parts of titanium oxide, 3 parts of aluminum oxide, 2 parts of cupric oxide, glass fibers
8 parts of dimension, 10 parts of polytetrafluoroethylene (PTFE), TDI1 parts, the KH-550 type silane of 1: 50 (volume ratio), 5% sodium hydroxide solution 100
Part, 5 parts of phosphoric acid.
Step 1, first by 2 parts of potassium permanganate, 3 parts of barium monoxide, 3 parts of quartz sands, 20 parts of NiZr alloy powders, 2 parts of oxidations
Titanium, 3 parts of aluminum oxide, 2 parts of cupric oxide, 10 parts of glass fibres, 2h blows 10 parts of polytetrafluoroethylene (PTFE) under 200ml/min under neon atmosphere
Sweep, ultrasonication 5h is then carried out under nitrogen atmosphere；
Step 2, by barium monoxide, quartz sand, NiZr alloy powders pass through high-energy ball milling 48h, spray drying, 1500 DEG C of argon gas
Protect and sinter 6h, the processing technology such as not damaged crushing and screening prepares barium silicon/nickel zirconium powder；
Step 3, by titanium oxide, by being put into ptfe autoclave after alumina powder mixing, then carry out
High pressure-temperature reacts, in 600KPa, 1200 DEG C of reaction 8h, then takes out broken, and sieve classification prepares titanium oxide/aluminum oxide eutectic
Powder；
Step 4 and then barium silicon/nickel zirconium powder by preparation, titanium oxide/aluminum oxide eutectic powder carry out uniformly mixing resistance to
Glass fibre, is then added in mixed-powder by the wear-resisting powder of high-temperature self-lubrication, then carries out TDI processing:By mixed-powder
It is placed in CCl4 solution, 1 part of TDI, more than magnetic agitation 3h is added dropwise until dripping off completely in dropping funel；
Step 5, by 5 parts of phosphoric acid, potassium permanganate, cupric oxide mixing is warming up to 180 DEG C of reaction 5h, cupric phosphate manganese is made molten
The solution, is then added in the mixed-powder of above-mentioned process TDI processing and solution is made, then carrying out magnetic agitation by liquid
5h；
After step 6, stirring terminate, coupling agent treatment is being carried out:In 95% ethanol water, its pH is adjusted with acetic acid
Value adds after the KH-550 type silane of 1: 50 (volume ratio), hydrolysis 5min 4~5, is put into magnetic force in above-mentioned solution while stirring
Stir 4h；
Step 7 and then above-mentioned solution is placed in microwave reactor in microwave reactor with 35kap/min speed liter
750kpa is pressed onto, temperature rises to 1450 DEG C with 25 DEG C/min speed, 8h is reacted under nitrogen atmosphere, then in thermostatic drying chamber
In 110 DEG C of dry 5h, 8h is then calcined under nitrogen atmosphere in Muffle furnace, nanoscale high-abrasive material is tentatively made；
Step 8 and then polytetrafluoroethylene (PTFE) is added in the nanoscale high-abrasive material being tentatively made, then carries out normal temperature alkali
Wash, 3h is soaked with 100 part 5% of sodium hydroxide solution, then with deionized water rinsing to neutrality；
Step 9 and then dry, the finally first time pre-burning in tube furnace, in carbon dioxide in 110 DEG C of thermostatic drying chambers
Under atmosphere, the time is 150 minutes, 650 DEG C of temperature, 0.5MPa；Then the time is 150 minutes under nitrogen atmosphere for second of pre-burning,
About 700 DEG C of temperature, 0.8MPa；Under an argon atmosphere, the time is 150 minutes, 850 DEG C of temperature for last third time pre-burning,
1.0MPa；Finally give Performances of Novel Nano-Porous meter level complex abrasion-proof brake block；
Step 10 then by obtained Performances of Novel Nano-Porous meter level complex abrasion-proof brake block crush, be made up of compression molding mode
Sample, process conditions:Charge temperature, 900 DEG C, forming temperature, 950~990 DEG C, briquetting pressure 120MPa；Hardening time,
12min。
Embodiment 2 produces NiZr alloy powders and compares 1 with glass fiber quality:2 sample.10 parts of NiZr alloy powders, glass
20 parts of fiber, other raw material dosages, operating procedure is with embodiment 1.
Embodiment 3 produces NiZr alloy powders and compares 1 with glass fiber quality:3 sample.10 parts of NiZr alloy powders, glass
30 parts of fiber, other raw material dosages, operating procedure is with embodiment 1.
Embodiment 4 produces NiZr alloy powders and compares 1 with glass fiber quality:4 sample.10 parts of NiZr alloy powders, glass
40 parts of fiber, other raw material dosages, operating procedure is with embodiment 1.
Embodiment 5 produces NiZr alloy powders and compares 1 with glass fiber quality:5 sample.10 parts of NiZr alloy powders, glass
50 parts of fiber, other raw material dosages, operating procedure is with embodiment 1.
Embodiment 6 produces NiZr alloy powders and compares 1 with glass fiber quality:6 sample.10 parts of NiZr alloy powders, glass
60 parts of fiber, other raw material dosages, operating procedure is with embodiment 1.
Embodiment 7 produces NiZr alloy powders and compares 3 with glass fiber quality:1 sample.30 parts of NiZr alloy powders, glass
10 parts of fiber, other raw material dosages, operating procedure is with embodiment 1.
Embodiment 8 produces NiZr alloy powders and compares 4 with glass fiber quality:1 sample.40 parts of NiZr alloy powders, glass
10 parts of fiber, other raw material dosages, operating procedure is with embodiment 1.
Embodiment 9 produces NiZr alloy powders and compares 5 with glass fiber quality:1 sample.50 parts of NiZr alloy powders, glass
10 parts of fiber, other raw material dosages, operating procedure is with embodiment 1.
Embodiment 10 produces NiZr alloy powders and compares 6 with glass fiber quality:1 sample.60 parts of NiZr alloy powders, glass
10 parts of fiber, other raw material dosages, operating procedure is with embodiment 1.
Embodiment 11 produces NiZr alloy powders and compares 1 with glass fiber quality:1 sample.10 parts of NiZr alloy powders, glass
10 parts of fiber, other raw material dosages, operating procedure is with embodiment 1.
Reference examples 1 produce NiZr alloy powders and compare 2 with glass fiber quality:1 sample.20 parts of NiZr alloy powders, glass
10 parts of fiber, without ultrasonication, other raw material dosages, operating procedure is with embodiment 1.
Reference examples 2 produce NiZr alloy powders and compare 2 with glass fiber quality:1 sample.20 parts of NiZr alloy powders, glass
10 parts of fiber, without TDI processing, other raw material dosages, operating procedure is with embodiment 1.
Reference examples 3 produce NiZr alloy powders and compare 2 with glass fiber quality:1 sample.20 parts of NiZr alloy powders, glass
10 parts of fiber, without coupling agent treatment, other raw material dosages, operating procedure is with embodiment 1.
Reference examples 4 produce NiZr alloy powders and compare 2 with glass fiber quality:1 sample.20 parts of NiZr alloy powders, glass
10 parts of fiber, without alkali process, other raw material dosages, operating procedure is with embodiment 1.
Reference examples 5 produce the sample for being added without NiZr alloy powders.Other raw material dosages, operating procedure is with embodiment 1.
Reference examples 6 produce the sample for being added without glass fibre.Other raw material dosages, operating procedure is with embodiment 1.
Test method
According to GB3960-83 standards.Performances of Novel Nano-Porous meter level complex abrasion-proof brake block is tested on MM450 type abrasion testers
Friction and wear behavior.Fricting couple piece be Υ 50mm × Υ 18mm × 10mm CCr14 (HRC65~68), specimen size be 8mm ×
15mm×40mm.Friction-wear test condition is:18~20 DEG C of room temperature, air dry friction, relative air humidity ﹤ 40%, load
For 18kg, antithesis ring rotating speed is 300r/min, axial wobble 20 times/min, wearing- in period 60min.Before each fretting wear,
Couple passes through polishing, and quality is weighed before experiment, and end is weighing quality, then calculating wear extent.
The wear-resisting test of the nanoscale complex abrasion-proof brake block of table one
Test result indicates that：It can be found that Performances of Novel Nano-Porous meter level complex abrasion-proof brake block abrasion resistant effect prepared by embodiment 1,2
Preferably, illustrate that NiZr alloy powders compare 2 with glass fiber quality:1,1:Synergy between 2 sample, internal each several part is best
Abrasion resistant effect is optimal.Obtained Performances of Novel Nano-Porous meter level complex abrasion-proof brake block abrasion resistant effect is general under other ratios.Comparative example
1, comparative example 1,2,3,4 is can be found that.Without ultrasonic wave, TDI, alkali process, the obtained novel nano of coupling agent treatment operation
Level complex abrasion-proof brake block abrasion resistant effect is bad.Comparative example 1, comparative example 5,6, which is can be found that, is added without NiZr alloy powders,
Performances of Novel Nano-Porous meter level wear brake pad abrasion resistant effect is very poor made from glass fibre.
Claims (3)
1. a kind of preparation method of complex abrasion-proof brake block, it is characterised in that with potassium permanganate, barium monoxide, quartz sand, NiZr is closed
Bronze end, titanium oxide, aluminum oxide, the raw material such as glass fibre is by ball-milling treatment, TDI processing, coupling agent treatment, and alkali process etc. changes
Property means prepare Performances of Novel Nano-Porous meter level complex abrasion-proof brake block.
2. a kind of preparation method of complex abrasion-proof brake block according to claim 1, it is characterised in that specific preparation method
It is as follows：
Step 1, first by potassium permanganate, barium monoxide, quartz sand, NiZr alloy powders, titanium oxide, aluminum oxide, cupric oxide, glass
Fiber, polytetrafluoroethylene (PTFE) is purged under neon atmosphere, and ultrasonication is then carried out under nitrogen atmosphere；
Step 2, by barium monoxide, quartz sand, NiZr alloy powders pass through high-energy ball milling, spray drying, not damaged crushing and screening etc.
Processing technology prepares barium silicon/nickel zirconium powder；
Step 3, by titanium oxide, by being put into ptfe autoclave after alumina powder mixing, then enter horizontal high voltage
Pyroreaction, then takes out broken, and sieve classification prepares titanium oxide/aluminum oxide eutectic powder；
Step 4 and then barium silicon/nickel zirconium powder by preparation, titanium oxide/aluminum oxide eutectic powder carry out uniformly mixing to obtain high temperature resistant
Glass fibre, is then added in mixed-powder by self-lubricating abrasion-resistant powder, then carries out TDI processing:Mixed-powder is placed in
In CCl4 solution, a small amount of TDI, more than magnetic agitation 3h is added dropwise until dripping off completely in dropping funel；
Step 5, by phosphoric acid, potassium permanganate, cupric oxide mixing, cupric phosphate manganese solution is made, is then added to the solution above-mentioned
Solution is made in the mixed-powder handled by TDI, then magnetic agitation 5h is being carried out；
After step 6, stirring terminate, coupling agent treatment is being carried out:In 95% ethanol water, its pH value is adjusted with acetic acid and is existed
4~5, the KH-550 type silane of 1: 50 (volume ratio) is added while stirring, after hydrolysis, is put into magnetic agitation in above-mentioned solution；
Step 7 and then above-mentioned solution is placed in microwave reactor to react under nitrogen atmosphere in microwave reactor, then
Dried in thermostatic drying chamber, then calcined in Muffle furnace under nitrogen atmosphere, nanoscale high-abrasive material is tentatively made；
Step 8 and then polytetrafluoroethylene (PTFE) is added in the nanoscale high-abrasive material being tentatively made, then carries out normal temperature alkali cleaning,
Soaked with 5% sodium hydroxide solution, then with deionized water rinsing to neutrality；
Step 9 and then dry, the pre-burning in 110 DEG C of thermostatic drying chambers；Finally give NEW TYPE OF COMPOSITE high-abrasive material；Step 10, so
Sample, process conditions is made by compression molding mode in obtained NEW TYPE OF COMPOSITE high-abrasive material powder afterwards:Charge temperature, 900 DEG C,
Forming temperature, 950~990 DEG C, briquetting pressure 120MPa；Hardening time, 12min.
3. a kind of preparation method of complex abrasion-proof brake block according to claim 2, it is characterised in that the step 9, tool
Body is to be dried in 110 DEG C of thermostatic drying chambers, the finally first time pre-burning in tube furnace, and under carbon dioxide atmosphere, the time is
150 minutes, 650 DEG C of temperature, 0.5MPa；Then the time is 150 minutes under nitrogen atmosphere for second of pre-burning, about 700 DEG C of temperature,
0.8MPa；Under an argon atmosphere, the time is 150 minutes, 850 DEG C of temperature, 1.0MPa for last third time pre-burning；Finally give new
Composite abrasion resistance material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710297308.0A CN107012413A (en) | 2017-04-28 | 2017-04-28 | A kind of preparation method of complex abrasion-proof brake block |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710297308.0A CN107012413A (en) | 2017-04-28 | 2017-04-28 | A kind of preparation method of complex abrasion-proof brake block |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1814657A (en) * | 2005-02-02 | 2006-08-09 | 中南大学 | Environment-protection type high-performance automobile braking piece and making method |
| CN101942232A (en) * | 2010-08-17 | 2011-01-12 | 南京钛威科技有限公司 | Method for modifying stuffing by carbon |
| CN106402215A (en) * | 2016-06-15 | 2017-02-15 | 朱森 | Wear-resisting and high-temperature-resisting automobile brake pad |
| CN106567897A (en) * | 2016-11-13 | 2017-04-19 | 徐州乐泰机电科技有限公司 | Novel composite abrasion resistance brake piece |
-
2017
- 2017-04-28 CN CN201710297308.0A patent/CN107012413A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1814657A (en) * | 2005-02-02 | 2006-08-09 | 中南大学 | Environment-protection type high-performance automobile braking piece and making method |
| CN101942232A (en) * | 2010-08-17 | 2011-01-12 | 南京钛威科技有限公司 | Method for modifying stuffing by carbon |
| CN106402215A (en) * | 2016-06-15 | 2017-02-15 | 朱森 | Wear-resisting and high-temperature-resisting automobile brake pad |
| CN106567897A (en) * | 2016-11-13 | 2017-04-19 | 徐州乐泰机电科技有限公司 | Novel composite abrasion resistance brake piece |
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