CN109594080A - A kind of surface treatment method of titanium alloy - Google Patents
A kind of surface treatment method of titanium alloy Download PDFInfo
- Publication number
- CN109594080A CN109594080A CN201710914545.7A CN201710914545A CN109594080A CN 109594080 A CN109594080 A CN 109594080A CN 201710914545 A CN201710914545 A CN 201710914545A CN 109594080 A CN109594080 A CN 109594080A
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- China
- Prior art keywords
- titanium alloy
- solution
- alloy surface
- room temperature
- concentration
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/26—Acidic compositions for etching refractory metals
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1803—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
- C23C18/1824—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment
- C23C18/1837—Multistep pretreatment
- C23C18/1844—Multistep pretreatment with use of organic or inorganic compounds other than metals, first
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/20—Other heavy metals
- C23G1/205—Other heavy metals refractory metals
Abstract
The invention discloses a kind of methods of titanium alloy surface processing, take the preliminary oil removing of titanium alloy, blasting treatment 8min~12min is carried out to the titanium alloy surface after preliminary oil removing with diamond dust, again electrochemical deoiling, the Na that the NaOH solution for being 30g/L with compound concentration and concentration are 15g/L2CO3Lye, volume ratio 2:1, at room temperature impregnate 15min~25min, complete electrochemical deoiling, washing remove lye.Acid etching titanium alloy at room temperature.Titanium alloy surface is set to form one layer 1 μm -10 μm of protecting film, the binding force of titanium alloy surface coating is strong, thermal stability is good.
Description
Technical field
The invention belongs to field of metal surface treatment technology, are related to a kind of surface treatment method of titanium alloy.
Background technique
Titanium alloy is mainly used for the fields such as space flight, chemical industry, and titanium or titanium alloy is as the stronger light metal of activity, in air
Be easy generate one layer of fine and close sull, make chemical deposit is bad with matrix in conjunction with, deposition rate is low, influence quality of coating
And performance.And the binding force of existing titanium alloy surface coating is poor, thermal stability is poor, it is therefore necessary to develop the new high property of low cost
The coat preparing technology of energy.
Summary of the invention
The object of the present invention is to provide a kind of surface treatment method of titanium alloy, solve titanium alloy existing in the prior art
The problem of binding force difference and the thermal stability difference of surface covering.
The technical scheme adopted by the invention is that a kind of surface treatment method of titanium alloy, is specifically implemented according to the following steps:
Step 1: take titanium alloy, with ethyl acetate or the greasy dirt of acetone erasing titanium alloy surface, then with deionized water or steaming
Distilled water cleaning；
Step 2: carrying out the blasting treatment time to the titanium alloy surface after the preliminary oil removing of step 1 with diamond dust is 8min
~12min；
Step 3: carrying out electrochemical deoiling to the titanium alloy obtained through step 2；
Step 4: the titanium alloy after step 3 oil removing is washed with water under room temperature, the lye on surface is removed；
Step 5: carrying out acid etching to the titanium alloy obtained through step 4, the surface treatment to titanium alloy is completed.
The features of the present invention also characterized in that:
The number cleaned in step 1 with deionized water or distilled water is 2 times~3 times.
It is specific in step 3 to implement in accordance with the following methods:
The Na for being first 15g/L with concentration by the NaOH solution that concentration is 30g/L2CO3Solution mixing forms degreasing fluid, and
NaOH solution and Na2CO3The volume ratio of solution is 2:1；
Chemistry will be completed through step 2 treated titanium alloy is put at room temperature in degreasing fluid immersion 15min~25min
Oil removing.
10min~15min is washed with water in step 4.
Step 5 is specifically implemented in accordance with the following methods:
The HNO for being 60mL/L by volumetric concentration3Solution and volumetric concentration are to be added to deionization together with 70mL/L HF solution
In water, HNO3The volume ratio of solution and HF solution is 3:1, at room temperature acid etching titanium alloy.
The beneficial effects of the present invention are:
(1) surface treatment method of titanium alloy of the invention is sunk using activating process in titanium or titanium alloy matrix surface
Product rate is high, binding force is strong and the chemical deposit of function admirable；
(2) method of titanium alloy surface of the invention processing, has advantage at low cost and easy to industrialized production.
Specific embodiment
The present invention is described in detail With reference to embodiment.
A kind of surface treatment method of titanium alloy of the present invention, is specifically implemented according to the following steps:
Step 1: take titanium alloy, with ethyl acetate or the greasy dirt of acetone erasing titanium alloy surface, then with deionized water or steaming
Distilled water is cleaned 2~3 times；
Step 2: carrying out the blasting treatment time to the titanium alloy surface after the preliminary oil removing of step 1 with diamond dust is 8min
~12min；
Step 3: carrying out electrochemical deoiling to the titanium alloy obtained through step 2, the specific method is as follows:
The Na for being first 15g/L with concentration by the NaOH solution that concentration is 30g/L2CO3Solution mixing forms degreasing fluid, and
NaOH solution and Na2CO3The volume ratio of solution is 2:1；
Again chemistry will be completed through step 2 treated titanium alloy is put at room temperature in degreasing fluid immersion 15min~25min
Oil removing；
Step 4: 10min~15min is washed with water in the titanium alloy after step 3 oil removing, clearly under room temperature
Except the lye on surface, there is gloss in titanium alloy surface；
Step 5: carrying out acid etching to the titanium alloy obtained through step 4, the surface treatment to titanium alloy is completed, specifically
Method is as follows:
The HNO for being first 60mL/L by volumetric concentration3Solution and volumetric concentration be added to together with 70mL/L HF solution from
In sub- water, HNO3The volume ratio of solution and HF solution is 3:1；
It again will be through step 2 treated titanium alloy acid etching at room temperature.
A kind of method of titanium alloy surface processing of the present invention, reduces pernicious harmful toxic matter HF dosage in activating solution, shortens
Activation time reduces matrix dissolution amount, extends the service life of activating solution, simplifies technique, makes its refinement, to improve coating
Deposition rate enhances the binding force of coating and matrix.The difficult key of titanium alloy film forming is overcome, realizes titanium alloy especially
The purpose of titanium alloy fastener surface formation protecting film.In short, the present invention makes the anti-of one layer 1 μm -10 μm of titanium alloy surface formation
Cuticula hinders electron transmission, it is suppressed that the generation of electrochemical reaction has achieved the purpose that anti-bonding, while having also improved material
The wear-resisting property of material can be improved 3 times of part service life or more.Due to realization of the invention, titanium alloy spy has been expanded significantly
It is not the application range of titanium alloy fastener, contact and sleeve member.Aircraft engine, marine engine, automobile engine, boat
High temperature alloy on its aircraft and some civilian goods, stainless steel part can use titanium alloy under conditions of operating temperature allows
Anodic oxidation part replaces, to mitigate the weight of system significantly.
Embodiment 1
Step 1: take titanium alloy, with ethyl acetate or the greasy dirt of acetone erasing titanium alloy surface, then with deionized water or steaming
Distilled water is cleaned 2 times；
Step 2: carrying out the blasting treatment time to the titanium alloy surface after the preliminary oil removing of step 1 with diamond dust and being
8min；
Step 3: carrying out electrochemical deoiling to the titanium alloy obtained through step 2, the specific method is as follows:
The Na for being first 15g/L with concentration by the NaOH solution that concentration is 30g/L2CO3Solution mixing forms degreasing fluid, and
NaOH solution and Na2CO3The volume ratio of solution is 2:1；
Again will through step 2, treated that titanium alloy is put into degreasing fluid at room temperature impregnates 15min, complete electrochemical deoiling；
Step 4: 10min is washed with water in the titanium alloy after step 3 oil removing, removes surface under room temperature
There is gloss in lye, titanium alloy surface；
Step 5: carrying out acid etching to the titanium alloy obtained through step 4, the surface treatment to titanium alloy is completed, specifically
Method is as follows:
The HNO for being first 60mL/L by volumetric concentration3Solution and volumetric concentration be added to together with 70mL/L HF solution from
In sub- water, HNO3The volume ratio of solution and HF solution is 3:1；
It again will be through step 2 treated titanium alloy acid etching at room temperature.
Embodiment 2
Step 1: take titanium alloy, with ethyl acetate or the greasy dirt of acetone erasing titanium alloy surface, then with deionized water or steaming
Distilled water is cleaned 2 times；
Step 2: carrying out the blasting treatment time to the titanium alloy surface after the preliminary oil removing of step 1 with diamond dust and being
10min；
Step 3: carrying out electrochemical deoiling to the titanium alloy obtained through step 2, the specific method is as follows:
The Na for being first 15g/L with concentration by the NaOH solution that concentration is 30g/L2CO3Solution mixing forms degreasing fluid, and
NaOH solution and Na2CO3The volume ratio of solution is 2:1；
Again will through step 2, treated that titanium alloy is put into degreasing fluid at room temperature impregnates 10min, complete electrochemical deoiling；
Step 4: 13min is washed with water in the titanium alloy after step 3 oil removing, removes surface under room temperature
There is gloss in lye, titanium alloy surface；
Step 5: carrying out acid etching to the titanium alloy obtained through step 4, the surface treatment to titanium alloy is completed, specifically
Method is as follows:
The HNO for being first 60mL/L by volumetric concentration3Solution and volumetric concentration be added to together with 70mL/L HF solution from
In sub- water, HNO3The volume ratio of solution and HF solution is 3:1；
It again will be through step 2 treated titanium alloy acid etching at room temperature.
Embodiment 3
Step 1: take titanium alloy, with ethyl acetate or the greasy dirt of acetone erasing titanium alloy surface, then with deionized water or steaming
Distilled water is cleaned 3 times；
Step 2: carrying out the blasting treatment time to the titanium alloy surface after the preliminary oil removing of step 1 with diamond dust and being
12min；
Step 3: carrying out electrochemical deoiling to the titanium alloy obtained through step 2, the specific method is as follows:
The Na for being first 15g/L with concentration by the NaOH solution that concentration is 30g/L2CO3Solution mixing forms degreasing fluid, and
NaOH solution and Na2CO3The volume ratio of solution is 2:1；
Again will through step 2, treated that titanium alloy is put into degreasing fluid at room temperature impregnates 25min, complete electrochemical deoiling；
Step 4: 15min is washed with water in the titanium alloy after step 3 oil removing, removes surface under room temperature
There is gloss in lye, titanium alloy surface；
Step 5: carrying out acid etching to the titanium alloy obtained through step 4, the surface treatment to titanium alloy is completed, specifically
Method is as follows:
The HNO for being first 60mL/L by volumetric concentration3Solution and volumetric concentration be added to together with 70mL/L HF solution from
In sub- water, HNO3The volume ratio of solution and HF solution is 3:1；
It again will be through step 2 treated titanium alloy acid etching at room temperature.
A kind of method of titanium alloy surface processing of the present invention, solves titanium alloy surface coating existing in the prior art
Binding force is poor, thermal stability difference problem.
Claims (5)
1. a kind of method of titanium alloy surface processing, which is characterized in that be specifically implemented according to the following steps:
Step 1: take titanium alloy, with ethyl acetate or the greasy dirt of acetone erasing titanium alloy surface, then with deionized water or distilled water
Cleaning；
Step 2: with diamond dust to the titanium alloy surface after the preliminary oil removing of step 1 carry out the blasting treatment time be 8min~
12min；
Step 3: carrying out electrochemical deoiling to the titanium alloy obtained through step 2；
Step 4: the titanium alloy after step 3 oil removing is washed with water under room temperature, the lye on surface is removed；
Step 5: carrying out acid etching to the titanium alloy obtained through step 4, the surface treatment to titanium alloy is completed.
2. a kind of method of titanium alloy surface processing according to claim 1, which is characterized in that spent in the step 1
Ionized water or the number of distilled water cleaning are 2 times~3 times.
3. a kind of method of titanium alloy surface processing according to claim 1, which is characterized in that specific in the step 3
Implement in accordance with the following methods:
The Na for being first 15g/L with concentration by the NaOH solution that concentration is 30g/L2CO3Solution mixing, forms degreasing fluid, and NaOH is molten
Liquid and Na2CO3The volume ratio of solution is 2:1；
It will complete chemistry through step 2 treated titanium alloy is put at room temperature in degreasing fluid immersion 15min~25min and remove
Oil.
4. a kind of method of titanium alloy surface processing according to claim 1, which is characterized in that use water in the step 4
Wash 10min~15min.
5. a kind of method of titanium alloy surface processing according to claim 1, which is characterized in that the step 5 is specifically pressed
Implement according to following methods:
The HNO for being 60mL/L by volumetric concentration3Solution and volumetric concentration are to be added in deionized water together with 70mL/L HF solution,
HNO3The volume ratio of solution and HF solution is 3:1, at room temperature acid etching titanium alloy.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710914545.7A CN109594080A (en) | 2017-09-30 | 2017-09-30 | A kind of surface treatment method of titanium alloy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710914545.7A CN109594080A (en) | 2017-09-30 | 2017-09-30 | A kind of surface treatment method of titanium alloy |
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| CN109594080A true CN109594080A (en) | 2019-04-09 |
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ID=65955505
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| CN201710914545.7A Pending CN109594080A (en) | 2017-09-30 | 2017-09-30 | A kind of surface treatment method of titanium alloy |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977779A (en) * | 2019-11-27 | 2020-04-10 | 西安庄信新材料科技有限公司 | Surface sand blasting process for titanium plate |
| CN110977784A (en) * | 2019-11-27 | 2020-04-10 | 西安庄信新材料科技有限公司 | Surface sand blasting process for titanium plate |
| CN111020545A (en) * | 2019-12-13 | 2020-04-17 | 陕西易莱德新材料科技有限公司 | Titanium material surface treatment method |
| CN113355675A (en) * | 2021-05-31 | 2021-09-07 | 北京缔诚科技发展有限公司 | Surface chemical roughening method for titanium alloy |
| CN113561066A (en) * | 2021-07-27 | 2021-10-29 | 燕山大学 | Surface sand blasting method for zirconium and zirconium alloy |
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| CN1386917A (en) * | 2001-05-22 | 2002-12-25 | 沈阳黎明航空发动机集团公司 | Micro-are Ti alloy oxidizing technology |
| CN101016626A (en) * | 2007-03-12 | 2007-08-15 | 大庆石油学院 | Chemical nickel plating front activating process for titanium and titanium alloy surface |
| CN102586833A (en) * | 2012-01-19 | 2012-07-18 | 黑龙江省科学院石油化学研究院 | Surface treatment method of titanium alloy before glue joint |
| CN103757676A (en) * | 2013-12-11 | 2014-04-30 | 中国航空工业标准件制造有限责任公司 | Pyrophosphate electrocoppering method of titanium alloy |
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2017
- 2017-09-30 CN CN201710914545.7A patent/CN109594080A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1386917A (en) * | 2001-05-22 | 2002-12-25 | 沈阳黎明航空发动机集团公司 | Micro-are Ti alloy oxidizing technology |
| CN101016626A (en) * | 2007-03-12 | 2007-08-15 | 大庆石油学院 | Chemical nickel plating front activating process for titanium and titanium alloy surface |
| CN102586833A (en) * | 2012-01-19 | 2012-07-18 | 黑龙江省科学院石油化学研究院 | Surface treatment method of titanium alloy before glue joint |
| CN103757676A (en) * | 2013-12-11 | 2014-04-30 | 中国航空工业标准件制造有限责任公司 | Pyrophosphate electrocoppering method of titanium alloy |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977779A (en) * | 2019-11-27 | 2020-04-10 | 西安庄信新材料科技有限公司 | Surface sand blasting process for titanium plate |
| CN110977784A (en) * | 2019-11-27 | 2020-04-10 | 西安庄信新材料科技有限公司 | Surface sand blasting process for titanium plate |
| CN111020545A (en) * | 2019-12-13 | 2020-04-17 | 陕西易莱德新材料科技有限公司 | Titanium material surface treatment method |
| CN113355675A (en) * | 2021-05-31 | 2021-09-07 | 北京缔诚科技发展有限公司 | Surface chemical roughening method for titanium alloy |
| CN113561066A (en) * | 2021-07-27 | 2021-10-29 | 燕山大学 | Surface sand blasting method for zirconium and zirconium alloy |
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