CN101693234A - Micropore ultrasonic plugging method - Google Patents
Micropore ultrasonic plugging method Download PDFInfo
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- CN101693234A CN101693234A CN200910036044A CN200910036044A CN101693234A CN 101693234 A CN101693234 A CN 101693234A CN 200910036044 A CN200910036044 A CN 200910036044A CN 200910036044 A CN200910036044 A CN 200910036044A CN 101693234 A CN101693234 A CN 101693234A
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Abstract
The invention relates to a micropore ultrasonic plugging method which comprises the steps of cleaning the surface of a material to be processed by hole plugging, drying after removing impurities; placing the cleaned material to be processed by the hole plugging into a container filled with hole sealing liquid, immersing the material into the liquid, wherein the temperature of the hole sealing liquid is 25-60 DEG C; applying an ultrasonic field to the surface of the material to carry out the hole plugging, wherein the frequency F is more than or equal to 19KHz, and the power density P is more than or equal to 0.10w/cm2; and taking the material out, and solidifying the hole sealing liquid on the surface of the material. The invention has good sealing effect, and effectively improves the leakage prevention and the corrosion resistance of parts.
Description
Technical field
The present invention relates to the ultrasonic technology application, specifically ultrasonic applications is handled to the shutoff of parts micropore, to improve the serviceability of parts.
Background technology
A large amount of parts are unsound, have micropore, and as the micropore of coating, sintered ceramic and powdered metal parts and the micro-shrinkage porosite of foundry goods etc., these micropores make the decay resistance of part generation leakage or reduction part etc.Therefore these parts with particular characteristic requirement in process of production or must carry out the sealing of hole processing before using, promptly with Binder Materials or macromolecular material as the micropore shutoff of sealing material with opening.But under capillary effect, sealing of hole liquid is difficult to enter micropore depths and some fine holes, makes the sealing of hole effect undesirable.
Ultrasonic wave has following characteristic:
1) ultrasonic wave can have effect spread in media such as gas, liquid, solid, solid solution.
2) ultrasonic wave can transmit very strong energy.
3) ultrasonic wave can produce reflection, interference, stack and covibration.
When 4) ultrasonic wave is propagated, can on the interface, produce strong impact and cavitation phenomenon in liquid medium.Ultrasonic effect has been widely used in reality, mainly contains following several respects:
1. ultrasonic examination.The general sound wave of hyperacoustic wavelength ratio will be lacked, and has directionality preferably, and can see through opaque material, and this characteristic has been widely used in ultrasonic examination, thickness measuring, range finding, remote control and ultrasonic imaging technique.
2. ultrasonic processing.Utilize ultrasonic mechanism, cavitation, fuel factor and chemical effect, can carry out ultra-sonic welded, boring, solid pulverizing, emulsification, the degassing, dedusting, remove bird nest, cleaning, sterilization, promotion chemical reaction and carry out biological study etc., obtained extensive use in each departments such as industry and mining, agricultural, medical treatment.
3. basic research.After ultrasonic wave acts on medium, generation sound relaxation process in medium, the sound relaxation process is accompanied by energy in the molecule transport process between electric degree separately, and shows the absorption to sound wave on macroscopic view.Can explore the characteristic and the structure of material to ultrasonic absorbing rule by material.
Summary of the invention
Technical problem: the deficiency at existing parts micropore hole sealing technology, the invention provides a kind of parts micropore method for blocking, plugging effect is good, has improved the anti-leak and the decay resistance of parts effectively.
Technical scheme: a kind of method of micropore ultrasonic plugging, processing step is: the material surface for the treatment of the sealing of hole processing cleans, and is dry behind the removal foreign material; The material that sealing of hole is handled for the treatment of after cleaning is placed the container that fills pore-sealing liquid, and be immersed in the liquid, the pore-sealing liquid temperature is 25 ℃～60 ℃; The material surface for the treatment of the sealing of hole processing applies ultrasound field, frequency: F 〉=19KHz; Power density: P 〉=0.10w/cm
2Take out parts, the pore-sealing liquid of material surface is cured processing.The described ultrasound field that applies is continous way or step, and the action time of continous way is unsuitable long, in order to avoid the pore-sealing liquid temperature is above 60 ℃.Pore-sealing liquid is an organic siliconresin.
Beneficial effect: the present invention is when the operation of parts sealing of hole, applies a ultrasound field, and parts sealing of hole under ultrasonic environment is handled.Specific implementation method be will treat the parts handled of sealing of hole place to fill liquid sealing material device and soak and be embedded in sealing material, component surface is applied ultrasound field, ultrasonic wave passes to the liquid-solid interface for the treatment of sealing of hole processing parts by pore-sealing liquid, the ultrasonic wave effect impels sealing material to enter depths and some fine holes that are difficult to enter of micropore, and improves the micropore plugging effect.The present invention is simple to operate, and is practical, is easier to realize industrialization; Remarkable result of the present invention has a good application prospect.
(1) under ultrasonic wave place effect, with liquid sealing materials such as organic siliconresin or the epoxy resin microcosmic shrinkage porosite of shutoff metal material effectively.
(2) under ultrasonic wave place effect, with sealing materials such as organic siliconresin or the epoxy resin micropore of shutoff ceramic material effectively.Under the ultrasound field effect, use the organic siliconresin shown in the table 1 to Al
2O
3-13%TiO
2Coating and Cr
2O
3-8%TiO
2The coating sealing of hole is handled.Al
2O
3-13%TiO
2The electrochemical corrosion electric current of coating is by 2.09 * 10 before handling
-7Acm
-2Drop to 1 * 10 after the processing
-10～10
-8Acm
-2Cr
2O
3-8%TiO
2The electrochemical corrosion electric current of coating is by 3.52 * 10
-7Acm
-2Drop to 1 * 10
-10～10
-8Acm
-2
Table 1. organic siliconresin technical indicator
(3) plasma spraying Cr
2O
3-8%TiO
2Coating is handled with the organic siliconresin sealing of hole shown in the table 1 under the ultrasound field effect, its anti-5%NaCl salt air corrosion life-span 〉=1500h.
Description of drawings
The conventional sealing of hole Al of Fig. 1
2O
3-13%TiO
2The electrochemical corrosion polarization curve of coating
The conventional sealing of hole Cr of Fig. 2
2O
3-8%TiO
2The electrochemical corrosion polarization curve of coating
Fig. 3 ultrasonic wave sealing of hole Al
2O
3-13%TiO
2The electrochemical corrosion polarization curve of coating
Fig. 4 ultrasonic wave sealing of hole Cr
2O
3-8%TiO
2The electrochemical corrosion polarization curve of coating
The specific embodiment
There are the parts of microcosmic hole in ceramic material, metal material, coating and coating etc.
Sealing material is an organic siliconresin, and its technical indicator sees Table 1.
Adopt ultrasonic technology to Al
2O
3-13%TiO
2Coating micropore carries out shutoff.Concrete technological process is as follows.
1. remove Al
2O
3-13%TiO
2Coating dust, foreign material etc.
2. a certain amount of organic siliconresin of splendid attire in container soaks part fully and to be embedded in 35 ℃～45 ℃ organic siliconresins.
3. open supersonic generator, frequency is 40KHz, and power density is 0.25w/cm
2, adopt the batch (-type) mode to being applied ultrasound field by the sealing of hole piece surface, ultrasonic wave effect 5 minutes stopped 5 minutes, remake with 5 minutes, and so repeatedly, ultrasonic wave adds up 30 minutes action time.
4. from pore-sealing liquid, take out part.
5. part is placed in 115 ℃ of baking ovens and keep 15min.
6. take out air cooling to room temperature, end of operation.
Adopt ultrasonic technology to Cr
2O
3-g%TiO
2Coating micropore carries out shutoff.Concrete technological process is as follows.
1. remove Cr
2O
3-8%TiO
2Coating dust, foreign material etc.
2. a certain amount of organic siliconresin of splendid attire in container soaks part fully and to bury in 35 ℃～45 ℃ organic siliconresins.
3. open supersonic generator, frequency is 20KHz, and power density is 0.25w/cm
2, adopt the continous way mode to being applied ultrasound field by the sealing of hole piece surface, ultrasonic wave effect 30 minutes.
4. from pore-sealing liquid, take out part.
5. part is placed in 115 ℃ of baking ovens and keep 15min.
6. take out air cooling to room temperature, end of operation.
Adopt ultrasonic technology that metal parts shrinkage porosite micropore is carried out shutoff.Concrete technological process is as follows.
1. remove piece surface pollution, foreign material etc.
2. a certain amount of organic siliconresin of splendid attire in container soaks part fully and to bury in 30 ℃～40 ℃ organic siliconresins.
3. open supersonic generator, frequency is 60KHz, and power density is 0.25w/cm
2, adopt the batch (-type) mode to being applied ultrasound field by the sealing of hole piece surface, ultrasonic wave effect 5 minutes stopped 5 minutes, remake with 5 minutes, and so repeatedly, ultrasonic wave adds up 30 minutes action time.
4. from pore-sealing liquid, take out part.
5. part is placed in 115 ℃ of baking ovens and keep 15min.
6. take out air cooling to room temperature, end of operation.
Claims (3)
1. the method for a micropore ultrasonic plugging is characterized in that processing step is:
A. the material surface for the treatment of the sealing of hole processing cleans, and is dry behind the removal foreign material;
B. the material that sealing of hole is handled for the treatment of after will cleaning places the container that fills pore-sealing liquid, and is immersed in the liquid, and the pore-sealing liquid temperature is 25 ℃～60 ℃;
C. the material surface for the treatment of the sealing of hole processing applies ultrasound field, frequency: F 〉=19KHz; Power density: P 〉=0.10w/cm
2
D. take out parts, the pore-sealing liquid of material surface is cured processing.
2. the method for micropore ultrasonic plugging according to claim 1 is characterized in that the described ultrasound field that applies is continous way or step, and the action time of continous way is unsuitable long, in order to avoid the pore-sealing liquid temperature is above 60 ℃.
3. the method for micropore ultrasonic plugging according to claim 1 is characterized in that described pore-sealing liquid is an organic siliconresin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910036044A CN101693234A (en) | 2009-10-16 | 2009-10-16 | Micropore ultrasonic plugging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910036044A CN101693234A (en) | 2009-10-16 | 2009-10-16 | Micropore ultrasonic plugging method |
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| Publication Number | Publication Date |
|---|---|
| CN101693234A true CN101693234A (en) | 2010-04-14 |
Family
ID=42092259
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|---|---|---|---|
| CN200910036044A Pending CN101693234A (en) | 2009-10-16 | 2009-10-16 | Micropore ultrasonic plugging method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922829A (en) * | 2012-11-22 | 2013-02-13 | 吴江江旭纺织有限公司 | Coating used for water jet loom |
| CN103147109A (en) * | 2013-03-26 | 2013-06-12 | 西北工业大学 | Method for sealing aluminum alloy micro-arc oxidation film layer |
| CN105386030A (en) * | 2015-12-04 | 2016-03-09 | 航天精工股份有限公司 | Stainless steel surface processing method |
| CN110216053A (en) * | 2019-06-25 | 2019-09-10 | 宁波利之源金属涂复有限公司 | A kind of Pretreatment Technology Before Finishing of powder metallurgy workpieces |
| CN111549367A (en) * | 2020-03-30 | 2020-08-18 | 深圳市大富科技股份有限公司 | Aluminum alloy conductive oxidation method and communication equipment |
| CN112194960A (en) * | 2020-10-09 | 2021-01-08 | 河海大学常州校区 | Abrasion-resistant iron-based amorphous coating hole sealing agent, preparation method, hole sealing method and hole sealing device |
-
2009
- 2009-10-16 CN CN200910036044A patent/CN101693234A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922829A (en) * | 2012-11-22 | 2013-02-13 | 吴江江旭纺织有限公司 | Coating used for water jet loom |
| CN103147109A (en) * | 2013-03-26 | 2013-06-12 | 西北工业大学 | Method for sealing aluminum alloy micro-arc oxidation film layer |
| CN105386030A (en) * | 2015-12-04 | 2016-03-09 | 航天精工股份有限公司 | Stainless steel surface processing method |
| CN110216053A (en) * | 2019-06-25 | 2019-09-10 | 宁波利之源金属涂复有限公司 | A kind of Pretreatment Technology Before Finishing of powder metallurgy workpieces |
| CN111549367A (en) * | 2020-03-30 | 2020-08-18 | 深圳市大富科技股份有限公司 | Aluminum alloy conductive oxidation method and communication equipment |
| CN112194960A (en) * | 2020-10-09 | 2021-01-08 | 河海大学常州校区 | Abrasion-resistant iron-based amorphous coating hole sealing agent, preparation method, hole sealing method and hole sealing device |
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Open date: 20100414 |