CN109570509A - A kind of preparation method of high intensity bearing - Google Patents
A kind of preparation method of high intensity bearing Download PDFInfo
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- CN109570509A CN109570509A CN201811545873.5A CN201811545873A CN109570509A CN 109570509 A CN109570509 A CN 109570509A CN 201811545873 A CN201811545873 A CN 201811545873A CN 109570509 A CN109570509 A CN 109570509A
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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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
- B22F5/106—Tube or ring forms
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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
- B22F1/105—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing inorganic lubricating or binding agents, e.g. metal salts
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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
- 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
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/36—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.7% by weight of carbon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Inorganic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a kind of preparation methods of high-intensitive bearing, the following steps are included: 3-6 parts of C, 3-8 parts of Cr, 2-6 parts of Mo, 0.05-0.1 parts of Ti, 3-5 parts of Mn, 0.05-0.1 parts of Ir, 2-6 parts of Nb, 5-8 parts of W, 2-5 parts of Si, 8-20 parts of Co, 80-90 parts of Fe and 2-3 parts of modifying agent are poured into batch mixer by weight, continuous uniform mixing 20-50 minutes；It is sintered after being then injected into mold internal pressure embryo, sintering temperature is promoted to 900 DEG C by 400 DEG C, and sintering time is 200-250 minutes；After heat preservation 12 hours, then after rolling, resintering, rolling again.The present invention, which adds Ir, can increase the wearability of bearing, and addition W can improve the inoxidizability and corrosion resistance of bearing, and addition modifying agent enables to each raw material metal preferably to bond and be sintered, improves consistency, increase wearability.
Description
Technical field
The present invention relates to field of bearings, in particular to a kind of preparation method of high-intensitive bearing.
Background technique
Bearing plays the components of bearing or guiding role for determining rotary shaft and other parts relative motion position.It
Major function be to support mechanical rotary body, to reduce mechanical load coefficient of friction of the equipment in transmission process.Therefore it needs
Want bearing steel that there is preferable hardness, intensity, toughness and stability.
But existing bearing is generally wear-resisting or corrosion-resistant to improve its using one layer of coating is coated outside bearing, still
For a long time, it is easy to fall off, replacement frequency is high.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of preparation method of high-intensitive bearing.
To achieve the goals above, the preparation method of a kind of high-intensitive bearing provided by the invention, comprising the following steps:
By weight by 3-6 parts of C, 3-8 parts of Cr, 2-6 parts of Mo, 0.05-0.1 parts of Ti, 3-5 parts of Mn, Ir 0.05-0.1
Part, 2-6 parts of Nb, 5-8 parts of W, 2-5 parts of Si, 8-20 parts of Co, 80-90 parts of Fe and 2-3 parts of modifying agent pour into batch mixer, even
Continue uniform mixing 20-50 minutes；It is sintered after being then injected into mold internal pressure embryo, sintering temperature is promoted to by 400 DEG C
900 DEG C, sintering time is 200-250 minutes；After heat preservation 12 hours, then after rolling, resintering, rolling again,
The modifying agent is the Sn being supported on porous aluminas coating, wherein and porous oxidation aluminized coating through graphene modified；
Its preparation flow are as follows:
A. the preparation of AlOOH colloidal sol: configuration AlCl3Aqueous solution and NH4OH aqueous solution, each 80 mL；To AlCl3In aqueous solution
With PEG400 is added, it is sufficiently stirred, 75 DEG C of 30 min of holding is warming up to, by AlCl3Aqueous solution is with the rate of 20 ~ 30 mL/min
It is slowly dropped to NH4In OH aqueous solution, the pH value with concentrated ammonia liquor control reaction system is 9 ~ 10, obtains AlOOH precipitated product；
AlOOH sediment is aged, washes, after suction filtration, launches into the nitric acid of 1 mol/L, 30 min are stirred at 80 DEG C to be obtained
To AlOOH colloidal sol；In above-mentioned preparation flow, AlCl3Concentration of aqueous solution is 0.02 ~ 0.05 mol/L, NH4OH water concentration is
0.05 ~ 0.15 mol/L, PEG400 monomer molar amount and AlCl3The ratio between mole is 3:1 ~ 5:1.AlOOH sediment and nitric acid
The ratio of solution is that 1 g AlOOH sediment is dissolved in 10 mL nitric acid solutions.
In the process, the stability of PEG400 being added in raising aluminum water solution preocess avoids the occurrence of flocculent deposit.
AlOOH sediment is dissolved in during nitric acid, and the concentration of AlOOH is unsuitable excessively high, otherwise be may cause subsequent spin coating process and is made
Coating it is uneven.
B. the preparation of porous oxidation aluminized coating: being added drop-wise on sheet glass with the AlOOH colloidal sol that dropper pipettes 10 mL,
With the revolving speed spin coating solution of 2000 rpm/min on sol evenning machine, sheet glass is placed at 50 DEG C dry 20 min after the completion of spin coating,
400 DEG C of 5 h of roasting are then heated to, porous oxidation aluminized coating has just been obtained；Roasting process needs carry out in air atmosphere.
C. the preparation of modifying agent: add in 10 mL ethyl alcohol, 5 mL ethylene glycol and 10 mL 1,2- mixed with propylene glycol solvents
Enter Sn (NO3)2Wiring solution-forming；Take 5 mL that graphene is added, ultrasound 10 minutes suspended by this to obtain finely dispersed suspension
Liquid is added drop-wise to dropwise on above-mentioned porous oxidation aluminized coating, and is dried in time, and solid is scraped to get modifier powder.The process
In, the dosage of graphene and the quality of alumina ratio in porous oxidation aluminized coating are in 1 ~ 3%, Sn and porous oxidation aluminized coating
Quality of alumina ratio is 2 ~ 5%.
The addition of graphene can promote the Schottky contacts between metal and carrier, and the electronics for improving metal surface is close
Degree, to improve modifying agent activity.
A kind of preparation method of high-intensitive bearing provided by the invention, addition Ir can increase the wearability of bearing, add W
The inoxidizability and corrosion resistance of bearing can be improved, addition modifying agent enables to each raw material metal preferably to bond and burn
Knot improves consistency, increases intensity.
Specific embodiment
Embodiment 1
A kind of preparation method of high-intensitive bearing provided in this embodiment, comprising the following steps: the following steps are included:
By weight by 3 parts of C, 3 parts of Cr, 2 parts of Mo, 0.05 part of Ti, 3 parts of Mn, 0.05 part of Ir, 2 parts of Nb, 5 parts of W, Si
2 parts, 8 parts of Co, 80 parts of Fe and 2 parts of modifying agent pour into batch mixer, and continuous uniform mixing 20-50 minutes；It is then injected into mold
It is sintered after internal pressure embryo, sintering temperature is promoted to 900 DEG C by 400 DEG C, and sintering time is 200-250 minutes；Heat preservation 12
After hour, then after rolling, resintering, rolling again,
The modifying agent is the Sn being supported on porous aluminas coating, wherein and porous oxidation aluminized coating through graphene modified；
Its preparation flow are as follows:
A. the preparation of AlOOH colloidal sol: configuration AlCl3Aqueous solution and NH4OH aqueous solution, each 80 mL；To AlCl3In aqueous solution
With PEG400 is added, it is sufficiently stirred, 75 DEG C of 30 min of holding is warming up to, by AlCl3Aqueous solution is with the rate of 20 ~ 30 mL/min
It is slowly dropped to NH4In OH aqueous solution, the pH value with concentrated ammonia liquor control reaction system is 9 ~ 10, obtains AlOOH precipitated product；
AlOOH sediment is aged, washes, after suction filtration, launches into the nitric acid of 1 mol/L, 30 min are stirred at 80 DEG C to be obtained
To AlOOH colloidal sol；In above-mentioned preparation flow, AlCl3Concentration of aqueous solution is 0.02 ~ 0.05 mol/L, NH4OH water concentration is
0.05 ~ 0.15 mol/L, PEG400 monomer molar amount and AlCl3The ratio between mole is 3:1 ~ 5:1.AlOOH sediment and nitric acid
The ratio of solution is that 1 g AlOOH sediment is dissolved in 10 mL nitric acid solutions.
B. the preparation of porous oxidation aluminized coating: being added drop-wise on sheet glass with the AlOOH colloidal sol that dropper pipettes 10 mL,
With the revolving speed spin coating solution of 2000 rpm/min on sol evenning machine, sheet glass is placed at 50 DEG C dry 20 min after the completion of spin coating,
400 DEG C of 5 h of roasting are then heated to, porous oxidation aluminized coating has just been obtained；Roasting process needs carry out in air atmosphere.
C. the preparation of modifying agent: add in 10 mL ethyl alcohol, 5 mL ethylene glycol and 10 mL 1,2- mixed with propylene glycol solvents
Enter Sn (NO3)2Wiring solution-forming；Take 5 mL that graphene is added, ultrasound 10 minutes suspended by this to obtain finely dispersed suspension
Liquid is added drop-wise to dropwise on above-mentioned porous oxidation aluminized coating, and is dried in time, and solid is scraped to get modifier powder.The process
In, the dosage of graphene and the quality of alumina ratio in porous oxidation aluminized coating are in 1 ~ 3%, Sn and porous oxidation aluminized coating
Quality of alumina ratio is 2 ~ 5%.
Embodiment 2
The preparation method of a kind of high-intensitive bearing provided in this embodiment, the difference from embodiment 1 is that the high intensity axis
It holds 6 parts of C, 8 parts of Cr, 6 parts of Mo, 0.1 part of Ti, 5 parts of Mn, 0.1 part of Ir, 6 parts of Nb, 8 parts of W, Si 5 by weight
Part, 20 parts of Co, 90 parts of Fe and 3 parts of modifying agent pour into batch mixer, and continuous uniform mixing 20-50 minutes；It is then injected into mold
It is sintered after internal pressure embryo, sintering temperature is promoted to 900 DEG C by 400 DEG C, and sintering time is 200-250 minutes；Heat preservation 12
After hour, then after rolling, resintering, rolling again.
Embodiment 3
The preparation method of a kind of high-intensitive bearing provided in this embodiment, the difference from embodiment 1 is that the high intensity axis
It holds 5 parts of C, 5 parts of Cr, 5 parts of Mo, 0.05 part of Ti, 3 parts of Mn, 0.05 part of Ir, 5 parts of Nb, 5 parts of W, Si 5 by weight
Part, 15 parts of Co, 85 parts of Fe and 3 parts of modifying agent pour into batch mixer, and continuous uniform mixing 20-50 minutes；It is then injected into mold
It is sintered after internal pressure embryo, sintering temperature is promoted to 900 DEG C by 400 DEG C, and sintering time is 200-250 minutes；Heat preservation 12
After hour, then after rolling, resintering, rolling again.
Embodiment 4
The preparation method of a kind of high-intensitive bearing provided in this embodiment, the difference from embodiment 1 is that the preparation of modifying agent
When set AlCl3Concentration of aqueous solution is 0.03 mol/L, NH4OH water concentration be 0.1 mol/L, PEG400 monomer molar amount with
AlCl3The ratio between mole is 3:1.In the preparation process of modifying agent, the dosage of graphene and the oxidation in porous oxidation aluminized coating
Aluminium mass ratio is 2%, Sn and the quality of alumina ratio in porous oxidation aluminized coating is 3%.
Embodiment 5
The preparation method of a kind of high-intensitive bearing provided in this embodiment, the difference from embodiment 1 is that the preparation of modifying agent
When set AlCl3Concentration of aqueous solution is 0.03 mol/L, NH4OH water concentration be 0.1 mol/L, PEG400 monomer molar amount with
AlCl3The ratio between mole is 5:1.In the preparation process of modifying agent, the dosage of graphene and the oxidation in porous oxidation aluminized coating
Aluminium mass ratio is 2%, Sn and the quality of alumina ratio in porous oxidation aluminized coating is 3%.
Embodiment 6
The preparation method of a kind of high-intensitive bearing provided in this embodiment, the difference from embodiment 1 is that the preparation of modifying agent
When set AlCl3Concentration of aqueous solution is 0.05 mol/L, NH4OH water concentration be 0.15 mol/L, PEG400 monomer molar amount with
AlCl3The ratio between mole is 4:1.In the preparation process of modifying agent, the dosage of graphene and the oxidation in porous oxidation aluminized coating
Aluminium mass ratio is 2%, Sn and the quality of alumina ratio in porous oxidation aluminized coating is 3%.
Claims (3)
1. a kind of preparation method of high intensity bearing, which comprises the following steps:
By weight by 3-6 parts of C, 3-8 parts of Cr, 2-6 parts of Mo, 0.05-0.1 parts of Ti, 3-5 parts of Mn, Ir 0.05-0.1
Part, 2-6 parts of Nb, 5-8 parts of W, 2-5 parts of Si, 8-20 parts of Co, 80-90 parts of Fe and 2-3 parts of modifying agent pour into batch mixer, even
Continue uniform mixing 20-50 minutes；It is sintered after being then injected into mold internal pressure embryo, sintering temperature is promoted to by 400 DEG C
900 DEG C, sintering time is 200-250 minutes；After heat preservation 12 hours, then after rolling, resintering, rolling again,
The modifying agent is the Sn being supported on porous aluminas coating, and porous oxidation aluminized coating is through graphene modified, system
Standby process are as follows:
A. the preparation of AlOOH colloidal sol: configuration AlCl3Aqueous solution and NH4OH aqueous solution, each 80 mL；To AlCl3In aqueous solution
With PEG400 is added, it is sufficiently stirred, 75 DEG C of 30 min of holding is warming up to, by AlCl3Aqueous solution is with the rate of 20 ~ 30 mL/min
It is slowly dropped to NH4In OH aqueous solution, the pH value with concentrated ammonia liquor control reaction system is 9 ~ 10, obtains AlOOH precipitated product；
AlOOH sediment is aged, washes, after suction filtration, launches into the nitric acid of 1 mol/L, 30 min are stirred at 80 DEG C to be obtained
To AlOOH colloidal sol；
B. it the preparation of porous oxidation aluminized coating: is added drop-wise on sheet glass with the AlOOH colloidal sol that dropper pipettes 10 mL, in spin coating
With the revolving speed spin coating solution of 2000 rpm/min on machine, sheet glass is placed at 50 DEG C dry 20 min after the completion of spin coating, then
400 DEG C of 5 h of roasting are warming up to, porous oxidation aluminized coating has just been obtained；
C. Sn the preparation of modifying agent: is added in 10 mL ethyl alcohol, 5 mL ethylene glycol and 10 mL 1,2- mixed with propylene glycol solvents
(NO3)2Wiring solution-forming；Take 5 mL be added graphene, ultrasound 10 minutes to obtain finely dispersed suspension, by the suspension by
It is added drop-wise on above-mentioned porous oxidation aluminized coating, and dries in time, solid is scraped to get modifying agent.
2. a kind of preparation method of high-intensitive bearing according to claim 1, which is characterized in that the dosage of the graphene
It is 1 ~ 3% with the quality of alumina ratio in porous oxidation aluminized coating.
3. a kind of preparation method of high-intensitive bearing according to claim 1 or 2, which is characterized in that the Sn with it is porous
Quality of alumina ratio in aluminum oxide coating layer is 2 ~ 5%.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0464780A1 (en) * | 1990-07-04 | 1992-01-08 | Kubota Corporation | Abrasion-resistant cast iron material for rolling rolls and composite rolls |
| WO2014119720A1 (en) * | 2013-01-31 | 2014-08-07 | 日本ピストンリング株式会社 | Highly wear-resistant valve seat for use in internal combustion engine and manufacturing method therefor |
| CN104445323A (en) * | 2014-11-18 | 2015-03-25 | 武汉工程大学 | Preparation method of porous activated aluminum oxide adsorbing material |
| CN105369239A (en) * | 2015-11-19 | 2016-03-02 | 上海应用技术学院 | Method for preparing passivation film doped with graphene oxide |
| CN105483572A (en) * | 2015-11-30 | 2016-04-13 | 成都众恒智合信息技术有限公司 | Manufacturing method of high-strength bearing |
| CN108774695A (en) * | 2018-06-12 | 2018-11-09 | 界首市皖俊轴承有限公司 | A kind of preparation method of unleaded cupric bismuth-base alloy bearing |
-
2018
- 2018-12-18 CN CN201811545873.5A patent/CN109570509A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0464780A1 (en) * | 1990-07-04 | 1992-01-08 | Kubota Corporation | Abrasion-resistant cast iron material for rolling rolls and composite rolls |
| WO2014119720A1 (en) * | 2013-01-31 | 2014-08-07 | 日本ピストンリング株式会社 | Highly wear-resistant valve seat for use in internal combustion engine and manufacturing method therefor |
| CN104445323A (en) * | 2014-11-18 | 2015-03-25 | 武汉工程大学 | Preparation method of porous activated aluminum oxide adsorbing material |
| CN105369239A (en) * | 2015-11-19 | 2016-03-02 | 上海应用技术学院 | Method for preparing passivation film doped with graphene oxide |
| CN105483572A (en) * | 2015-11-30 | 2016-04-13 | 成都众恒智合信息技术有限公司 | Manufacturing method of high-strength bearing |
| CN108774695A (en) * | 2018-06-12 | 2018-11-09 | 界首市皖俊轴承有限公司 | A kind of preparation method of unleaded cupric bismuth-base alloy bearing |
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