CN105838957A - Anti-abrasion metal ceramic seal ring and manufacturing method thereof - Google Patents
Anti-abrasion metal ceramic seal ring and manufacturing method thereof Download PDFInfo
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- CN105838957A CN105838957A CN201610387283.9A CN201610387283A CN105838957A CN 105838957 A CN105838957 A CN 105838957A CN 201610387283 A CN201610387283 A CN 201610387283A CN 105838957 A CN105838957 A CN 105838957A
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- sealing ring
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
Abstract
The invention discloses an anti-abrasion metal ceramic seal ring. The anti-abrasion metal ceramic seal ring is prepared from the following raw materials in parts by weight: 80-90 parts of alumina, 10-15 parts of FeB20 ferroboron powder, 3-5 parts of tungsten carbide, 0.5-1 part of nanometer titania P25, 0.1-0.2 part of nano-silica, 0.3-0.5 part of hydroxyethyl cellulose, 0.5-1 part of amino silicon oil, 0.15-0.25 part of a titanate coupling agent TMC-201, 6-8 parts of sodium hydroxide, 0.05-0.1 part of polysorbate-80 and 0.3-0.5 part of calcium fluoride. The anti-abrasion metal ceramic seal ring not only is improved in shock resistance and crack resistance, favorable in stability and durability and long in service life but also has high abrasion resistance, excellent service performance and strong environmental adaptability.
Description
Technical field
The present invention relates to metal ceramic seal ring material technical field, particularly relate to a kind of anti scuffing ceramic metal sealing ring and preparation method thereof.
Background technology
Immersible pump is the visual plant of deep-well water lift, and subsoil water is extracted earth's surface, is widely used in the fields such as field irrigation, domestic water, mine, seawater lift, steamer tune load, fountain view, hot spring bathing in China.In actual use, due to the reason such as burn into friction of pumped (conveying) medium, it is usually present the problem that seal wears is serious.The effect of sealing ring is to prevent from denuding between water pump vane and pump case, improves the streamflow regime at unit fixed on water pump suction, improves pump efficiency, strengthens the operating reliability of pump.Once seal wears is serious, will cause the problems such as impeller increases with the increase of sealing ring fit clearance, water pump leakage loss, and flow downslide is fast, and finally service life and operational efficiency to immersible pump decline the negative effect that generation is serious.Therefore immersible pump has higher requirement to the material of sealing ring.
Generally the sealing ring of immersible pump is to process by stainless steel and other metal materials, owing to the wearability of metal material is poor, is easily damaged, and service life is the longest, has had a strong impact on water pump quality.Ceramic metal sealing ring, compared with metallic packing ring, has the advantages such as hardness is high, wearability is good, corrosion-resistant.200511160458.7 disclose a kind of high purity aluminum oxide seal ring, there is density advantage high, anti abrasive, and adapt to the corrosion under adverse circumstances, but, alumina cermet material enbrittles so that the toughness of aluminium oxide ceramics sealing ring is poor, and shock resistance is low, it is susceptible to cracking, affects its ruggedness and service life.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that anti scuffing ceramic metal sealing ring that a kind of high tenacity, high-ductility, cracking resistance, durability are good and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of anti scuffing ceramic metal sealing ring, it is to be prepared by the raw material of following weight parts:
Aluminium oxide 80-90, FeB20 ferro-boron powder 10-15, tungsten carbide 3-5, nano titanium oxide P25 0.5-1, nano silicon 0.1-0.2, hydroxyethyl cellulose 0.3-0.5, amido silicon oil 0.5-1, titanate coupling agent TMC-201 0.15-0.25, sodium hydroxide 6-8, Tween-80 0.05-0.1, calcium fluoride 0.3-0.5.
The preparation method of a kind of anti scuffing ceramic metal sealing ring, comprises the following steps:
(1) first sodium hydroxide is added to the water and is configured to the solution of 10-12mol/L, then with nano titanium oxide P25 mixing ultrasonic disperse uniformly after jointly add reactor, by reactor in 150-200 DEG C of Water Under thermal response 10-15h, after cooling, pH is adjusted to neutrality, add nano silicon, hydroxyethyl cellulose and Tween-80 dispersed with stirring uniform, obtain modification liquid；
(2) aluminium oxide, FeB20 ferro-boron powder, tungsten carbide are pressed and added titanate coupling agent stirring 0.5-1h after solid-liquid weight ratio 1:1-1:2 mixes with dehydrated alcohol, add remaining raw mill after ethanol is distilled off uniformly, obtain mixed powder；
(3) add suitable quantity of water with the mixed powder in step (2) after being mixed by the modification liquid in step (1) to stir, it is spray-dried under the conditions of inlet temperature 260-280 DEG C, outlet temperature 100-120 DEG C with first passing through spray drying tower after ball mill ball milling 4-6h, then at 200-300 DEG C of insulation 0.5-1h, then 600-700 DEG C of process 4-6h under nitrogen atmosphere, ball milling 0.5-1h again after cooling, obtains modified powder；
(4) the modified powder pressed compact in step (3) is placed in it is connected with in the sintering furnace of inert gas shielding atmosphere 1550-1650 DEG C of sintering 2-4h, obtain anti scuffing ceramic metal sealing ring.
The invention have the advantage that
The present invention is first with water heat transfer titanium nanotube, then by itself and nano silicon, hydroxyethyl cellulose is mixed and made into modification liquid, with aluminium oxide, FeB20 ferro-boron powder, after tungsten carbide mixed powder is blended uniformly, it is coated on mixed powder surface by spray drying, carbon-titanium nanotube-silicon dioxide compound coating layer is formed on mixed powder surface, effectively improve the compactness of material, adhesive property and toughness, again by the selection of raw material with compounding, make the ceramic metal sealing ring not only shock resistance prepared, cracking resistance is improved, there is good stability and ruggedness, service life is long, and there is high wear resistant performance, serviceability is good, environmental suitability is strong.
Detailed description of the invention
A kind of anti scuffing ceramic metal sealing ring, is prepared from by the component raw material of following weight (kg):
Aluminium oxide 80, FeB20 ferro-boron powder 10, tungsten carbide 3, nano titanium oxide P25 0.5, nano silicon 0.1, hydroxyethyl cellulose 0.3, amido silicon oil 0.5, titanate coupling agent TMC-201 0.15, sodium hydroxide 6, Tween-80 0.05, calcium fluoride 0.3.
The preparation method of a kind of anti scuffing ceramic metal sealing ring, comprises the following steps:
(1) first sodium hydroxide is added to the water and is configured to the solution of 10mol/L, then with nano titanium oxide P25 mixing ultrasonic disperse uniformly after jointly add reactor, by reactor in 150 DEG C of Water Under thermal responses 10h, after cooling, pH is adjusted to neutrality, add nano silicon, hydroxyethyl cellulose and Tween-80 dispersed with stirring uniform, obtain modification liquid；
(2) aluminium oxide, FeB20 ferro-boron powder, tungsten carbide are pressed and added titanate coupling agent stirring 0.5h after solid-liquid weight ratio 1:1 mixes with dehydrated alcohol, add remaining raw mill after ethanol is distilled off uniformly, obtain mixed powder；
(3) add suitable quantity of water with the mixed powder in step (2) after being mixed by the modification liquid in step (1) to stir, it is spray-dried under the conditions of inlet temperature 260 DEG C, outlet temperature 100 DEG C with first passing through spray drying tower after ball mill ball milling 4h, then at 200 DEG C of insulation 0.5h, then 4h is processed in lower 600 DEG C of nitrogen atmosphere, ball milling 0.5h again after cooling, obtains modified powder；
(4) the modified powder pressed compact in step (3) is placed in it is connected with in the sintering furnace of inert gas shielding atmosphere 1550 DEG C of sintering 2h, obtain anti scuffing ceramic metal sealing ring.
Above-mentioned prepared sealing ring the performance test results is as follows:
Hardness: 92.8HRA；Bending strength: 713MPa；Fracture toughness: 9.89MPa m1/2。
Claims (2)
1. an anti scuffing ceramic metal sealing ring, it is characterised in that it is to be prepared by the raw material of following weight parts:
Aluminium oxide 80-90, FeB20 ferro-boron powder 10-15, tungsten carbide 3-5, nano titanium oxide P25 0.5-1, nano silicon 0.1-0.2, hydroxyethyl cellulose 0.3-0.5, amido silicon oil 0.5-1, titanate coupling agent TMC-201 0.15-0.25, sodium hydroxide 6-8, Tween-80 0.05-0.1, calcium fluoride 0.3-0.5.
The preparation method of a kind of anti scuffing ceramic metal sealing ring the most according to claim 1, it is characterised in that comprise the following steps:
(1) first sodium hydroxide is added to the water and is configured to the solution of 10-12mol/L, then with nano titanium oxide P25 mixing ultrasonic disperse uniformly after jointly add reactor, by reactor in 150-200 DEG C of Water Under thermal response 10-15h, after cooling, pH is adjusted to neutrality, add nano silicon, hydroxyethyl cellulose and Tween-80 dispersed with stirring uniform, obtain modification liquid；
(2) aluminium oxide, FeB20 ferro-boron powder, tungsten carbide are pressed and added titanate coupling agent stirring 0.5-1h after solid-liquid weight ratio 1:1-1:2 mixes with dehydrated alcohol, add remaining raw mill after ethanol is distilled off uniformly, obtain mixed powder；
(3) add suitable quantity of water with the mixed powder in step (2) after being mixed by the modification liquid in step (1) to stir, it is spray-dried under the conditions of inlet temperature 260-280 DEG C, outlet temperature 100-120 DEG C with first passing through spray drying tower after ball mill ball milling 4-6h, then at 200-300 DEG C of insulation 0.5-1h, then 600-700 DEG C of process 4-6h under nitrogen atmosphere, ball milling 0.5-1h again after cooling, obtains modified powder；
(4) the modified powder pressed compact in step (3) is placed in it is connected with in the sintering furnace of inert gas shielding atmosphere 1550-1650 DEG C of sintering 2-4h, obtain anti scuffing ceramic metal sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610387283.9A CN105838957A (en) | 2016-05-31 | 2016-05-31 | Anti-abrasion metal ceramic seal ring and manufacturing method thereof |
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| CN201610387283.9A CN105838957A (en) | 2016-05-31 | 2016-05-31 | Anti-abrasion metal ceramic seal ring and manufacturing method thereof |
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| CN105838957A true CN105838957A (en) | 2016-08-10 |
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| CN201610387283.9A Pending CN105838957A (en) | 2016-05-31 | 2016-05-31 | Anti-abrasion metal ceramic seal ring and manufacturing method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270529A (en) * | 2016-08-11 | 2017-01-04 | 合肥毅创钣金科技有限公司 | A kind of high temperature resistant shock resistance ceramic-seal ring and preparation method thereof |
| CN106337149A (en) * | 2016-08-11 | 2017-01-18 | 合肥毅创钣金科技有限公司 | High-corrosion-resistant ceramic sealing ring and preparation method thereof |
| CN106834777A (en) * | 2016-12-30 | 2017-06-13 | 梅庆波 | A kind of preparation method of low-expansion coefficient composition metal base ceramic die material |
| CN108531132A (en) * | 2018-06-01 | 2018-09-14 | 五华中燃城市燃气发展有限公司 | A kind of wear-resistant material, Sealing shield ring and natural gas line FlexbleJoint |
| CN109773183A (en) * | 2019-04-08 | 2019-05-21 | 长沙集智创新工业设计有限公司 | A kind of medical metal ceramic material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730596A (en) * | 2005-08-18 | 2006-02-08 | 宁波东联密封件有限公司 | High purity aluminum oxide seal ring and its production method |
| CN101148351A (en) * | 2007-09-14 | 2008-03-26 | 上海材料研究所 | High-purity compact aluminum oxide ceramic supporting element and manufacturing method thereof |
-
2016
- 2016-05-31 CN CN201610387283.9A patent/CN105838957A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730596A (en) * | 2005-08-18 | 2006-02-08 | 宁波东联密封件有限公司 | High purity aluminum oxide seal ring and its production method |
| CN101148351A (en) * | 2007-09-14 | 2008-03-26 | 上海材料研究所 | High-purity compact aluminum oxide ceramic supporting element and manufacturing method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270529A (en) * | 2016-08-11 | 2017-01-04 | 合肥毅创钣金科技有限公司 | A kind of high temperature resistant shock resistance ceramic-seal ring and preparation method thereof |
| CN106337149A (en) * | 2016-08-11 | 2017-01-18 | 合肥毅创钣金科技有限公司 | High-corrosion-resistant ceramic sealing ring and preparation method thereof |
| CN106834777A (en) * | 2016-12-30 | 2017-06-13 | 梅庆波 | A kind of preparation method of low-expansion coefficient composition metal base ceramic die material |
| CN108531132A (en) * | 2018-06-01 | 2018-09-14 | 五华中燃城市燃气发展有限公司 | A kind of wear-resistant material, Sealing shield ring and natural gas line FlexbleJoint |
| CN108531132B (en) * | 2018-06-01 | 2023-10-27 | 五华中燃城市燃气发展有限公司 | Wear-resistant material, sealing retainer ring and natural gas pipeline ripple compensator |
| CN109773183A (en) * | 2019-04-08 | 2019-05-21 | 长沙集智创新工业设计有限公司 | A kind of medical metal ceramic material and preparation method thereof |
| CN109773183B (en) * | 2019-04-08 | 2021-08-27 | 长沙集智创新工业设计有限公司 | Medical metal ceramic material and preparation method thereof |
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Application publication date: 20160810 |
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