CN105861907A - Nickel-chromium-aluminum-yttrium alloy composite metal ceramic seal ring and preparation method thereof - Google Patents
Nickel-chromium-aluminum-yttrium alloy composite metal ceramic seal ring and preparation method thereof Download PDFInfo
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- CN105861907A CN105861907A CN201610387272.0A CN201610387272A CN105861907A CN 105861907 A CN105861907 A CN 105861907A CN 201610387272 A CN201610387272 A CN 201610387272A CN 105861907 A CN105861907 A CN 105861907A
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- Prior art keywords
- chromium
- aluminium
- nichrome
- yttrium
- alloy composite
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Classifications
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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
- C22C29/12—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
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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
- B22F1/14—Treatment of metallic powder
- B22F1/145—Chemical treatment, e.g. passivation or decarburisation
-
- 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
-
- 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
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
-
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
Abstract
The invention discloses a nickel-chromium-aluminum-yttrium alloy composite metal ceramic seal ring which is prepared from the following raw materials in parts by weight: 85-95 parts of aluminum oxide, 5-10 parts of nickel-chromium-aluminum-yttrium powder JZGR-511F, 3-5 parts of scandium oxide, 0.5-1 part of nano titanium dioxide P25, 0.1-0.2 part of nano silicon dioxide, 0.3-0.5 part of hydroxyethyl cellulose, 0.3-0.5 part of polyvinyl butyral, 0.15-0.25 part of titanate coupling agent TMC-201, 6-8 parts of sodium hydroxide, 0.05-0.1 part of polysorbate-80 and 0.5-1 part of magnesium titanate. The metal ceramic seal ring has the advantages of favorable corrosion resistance, improved impact resistance, improved crack resistance, favorable stability, favorable durability, long service life, favorable high-temperature resistance and favorable aging resistance, and is suitable for sewage treatment under high-temperature conditions.
Description
Technical field
The present invention relates to metal ceramic seal ring material technical field, particularly relate to a kind of nichrome-chromium-aluminium-yttrium alloy composite cermet 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 nichrome-chromium-aluminium-yttrium alloy composite cermet 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 nichrome-chromium-aluminium-yttrium alloy composite cermet sealing ring, it is to be prepared by the raw material of following weight parts:
Aluminium oxide 85-95, nichrome-chromium-aluminium-yttrium powder JZGR-511F 5-10, Scia 3-5, nano titanium oxide P25 0.5-1, nano silicon 0.1-0.2, hydroxyethyl cellulose 0.3-0.5, polyvinyl butyral resin 0.3-0.5, titanate coupling agent TMC-201 0.15-0.25, sodium hydroxide 6-8, Tween-80 0.05-0.1, magnesium titanate 0.5-1.
The preparation method of a kind of nichrome-chromium-aluminium-yttrium alloy composite cermet 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, nichrome-chromium-aluminium-yttrium powder, Scia are pressed and added polyvinyl butyral resin and 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 nichrome-chromium-aluminium-yttrium alloy composite cermet 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, nichrome-chromium-aluminium-yttrium powder, after Scia 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 corrosion resistance and good prepared, and shock resistance, cracking resistance is improved, there is good stability and ruggedness, service life is long, and there is good high temperature resistant anti ageing property, it is applicable to the sewage disposal under hot conditions.
Detailed description of the invention
A kind of nichrome-chromium-aluminium-yttrium alloy composite cermet sealing ring, is prepared from by the component raw material of following weight (kg):
Aluminium oxide 85, nichrome-chromium-aluminium-yttrium powder JZGR-511F 5, Scia 3, nano titanium oxide P25 0.5, nano silicon 0.1, hydroxyethyl cellulose 0.3, polyvinyl butyral resin 0.3, titanate coupling agent TMC-201 0.15, sodium hydroxide 6, Tween-80 0.05, magnesium titanate 0.5.
The preparation method of a kind of nichrome-chromium-aluminium-yttrium alloy composite cermet 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, nichrome-chromium-aluminium-yttrium powder, Scia are pressed and added polyvinyl butyral resin and 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 nichrome-chromium-aluminium-yttrium alloy composite cermet sealing ring.
Above-mentioned prepared sealing ring the performance test results is as follows:
Hardness: 91.3HRA；Bending strength: 739MPa；Fracture toughness: 10.15MPa m1/2。
Claims (2)
1. a nichrome-chromium-aluminium-yttrium alloy composite cermet sealing ring, it is characterised in that it is to be prepared by the raw material of following weight parts:
Aluminium oxide 85-95, nichrome-chromium-aluminium-yttrium powder JZGR-511F 5-10, Scia 3-5, nano titanium oxide P25 0.5-1, nano silicon 0.1-0.2, hydroxyethyl cellulose 0.3-0.5, polyvinyl butyral resin 0.3-0.5, titanate coupling agent TMC-201 0.15-0.25, sodium hydroxide 6-8, Tween-80 0.05-0.1, magnesium titanate 0.5-1.
The preparation method of a kind of nichrome-chromium-aluminium-yttrium alloy composite cermet 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, nichrome-chromium-aluminium-yttrium powder, Scia are pressed and added polyvinyl butyral resin and 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 nichrome-chromium-aluminium-yttrium alloy composite cermet sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610387272.0A CN105861907A (en) | 2016-05-31 | 2016-05-31 | Nickel-chromium-aluminum-yttrium alloy composite metal ceramic seal ring and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610387272.0A CN105861907A (en) | 2016-05-31 | 2016-05-31 | Nickel-chromium-aluminum-yttrium alloy composite metal ceramic seal ring and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105861907A true CN105861907A (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610387272.0A Pending CN105861907A (en) | 2016-05-31 | 2016-05-31 | Nickel-chromium-aluminum-yttrium alloy composite metal ceramic seal ring and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109401145A (en) * | 2018-09-06 | 2019-03-01 | 安徽腾龙泵阀制造有限公司 | A kind of fluoroplastic pump material of acid-alkali-corrosive-resisting and preparation method thereof |
Citations (3)
| 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 |
| CN101407410A (en) * | 2008-11-11 | 2009-04-15 | 中国铝业股份有限公司 | Method of preparing alumina ceramic prilling powder for sealed ring |
| CN105088047A (en) * | 2015-08-28 | 2015-11-25 | 南通高欣耐磨科技股份有限公司 | Enhanced metal ceramic abrasion-resistant composite material and preparation method thereof |
-
2016
- 2016-05-31 CN CN201610387272.0A patent/CN105861907A/en active Pending
Patent Citations (3)
| 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 |
| CN101407410A (en) * | 2008-11-11 | 2009-04-15 | 中国铝业股份有限公司 | Method of preparing alumina ceramic prilling powder for sealed ring |
| CN105088047A (en) * | 2015-08-28 | 2015-11-25 | 南通高欣耐磨科技股份有限公司 | Enhanced metal ceramic abrasion-resistant composite material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109401145A (en) * | 2018-09-06 | 2019-03-01 | 安徽腾龙泵阀制造有限公司 | A kind of fluoroplastic pump material of acid-alkali-corrosive-resisting and preparation method thereof |
| CN109401145B (en) * | 2018-09-06 | 2023-09-01 | 安徽腾龙泵阀制造有限公司 | Acid and alkali corrosion resistant fluoroplastic pump material and preparation method thereof |
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Application publication date: 20160817 |
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