CN107699887A - A kind of phosphorization membrane part room temperature restorative procedure of high strength steel workpiece - Google Patents
A kind of phosphorization membrane part room temperature restorative procedure of high strength steel workpiece Download PDFInfo
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- CN107699887A CN107699887A CN201710898400.2A CN201710898400A CN107699887A CN 107699887 A CN107699887 A CN 107699887A CN 201710898400 A CN201710898400 A CN 201710898400A CN 107699887 A CN107699887 A CN 107699887A
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- high strength
- strength steel
- steel workpiece
- phosphorization membrane
- room temperature
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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
- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
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- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
The present invention discloses a kind of phosphorization membrane part room temperature restorative procedure of high strength steel workpiece; including step pretreatment, insulation protection, purified treatment, activation process, repair process, drying, post processing; the phosphorization membrane of high strength steel workpiece is repaired using the process; local route repair can be realized to high strength steel workpiece phosphorization membrane damage location; effective phosphorization membrane protection is provided for high strength steel workpiece, and hydrogen brittleness will not be caused to endanger high strength steel workpiece；Meanwhile when repairing the phosphorization membrane of high strength steel workpiece using the technique, without heating, only need effectively repair the phosphorization membrane damage location of high strength steel workpiece at room temperature, saved the energy to a certain extent.
Description
Technical field
The present invention relates to process of surface treatment technical field, more particularly to a kind of phosphorization membrane office of high strength steel workpiece
Portion's room temperature restorative procedure.
Background technology
The phosphorization membrane restorative procedure of existing high strength steel workpiece uses tank liquor immersion method, i.e., by high strength steel workpiece through blowing
After sand processing removes old phosphorization membrane, immerse in phosphatization tank liquor, high strength steel workpiece surface is re-formed new phosphorization membrane.
The deficiency of this method：When high strength steel workpiece must be pulled down from aircraft can phosphorating treatment again, for being difficult to what is dismantled
High strength steel workpiece can not carry out phosphorization membrane reparation；Second, need to be equipped with a series of equipment such as cell bodies needed for phosphorating treatment；
Third, phosphatization tank liquor typically needs to heat during phosphorating treatment, it is larger to energy resource consumption；Fourth, because high strength steel workpiece is in phosphatization again
During need to immerse in acid tank liquor, for reduce hydrogen brittleness harm, dehydrogenation need to be carried out.Through retrieval, domestic there has been no high-strength
The phosphorization membrane part room temperature restorative procedure of steel workpiece is spent, without disclosed technology.
The content of the invention
The technical problems to be solved by the invention are that the phosphorization membrane part room temperature for providing a kind of high strength steel workpiece is repaiied
Compound method, solve phosphating coat room temperature and repair problem.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of phosphorization membrane part room temperature restorative procedure of high strength steel workpiece, including step S1) pre-process, S2) insulation
Protection, S3) purified treatment, S4) activation process, S5) repair process, S6) dry, S7) post processing.
The step S2) with pressure sensitive adhesive tape or sheet lead adhesive tape to high strength steel workpiece phosphorization membrane complex surface to be repaired around
Region is protected, and prevents from damaging peripheral region surface in repair process.
The step S3) treated using manual mode with 400# and the above sand paper high strength steel workpiece phosphorization membrane of gently polishing
Surface is repaired, to remove the old phosphorization membrane of complex surface to be repaired or corrosion, until metallic matrix gloss, non-corroding trace is presented in surface
Mark.
The step S4) appropriate activated solution dipped to the step S3 using absorbent cotton) high-strength after purified treatment
Spend steel workpiece surface and carry out activation process, time 15-30s, and then dried with the absorbent cotton of drying.
The 1L solution each component weight ratios of the activated solution are：
PHOSPHORIC ACID TECH.GRADE (H3PO4)：600~800g；
Industrial grade ethanol (C2H5OH)：250~300g；
Hydroquinones [C6H4(OH)2] chemical pure：1~3g/L；
Surplus is water.
The step S5) appropriate reparation solution dipped using the brushing pen of parcel cotton-padded covering, in the step S4) at activation
Surface after reason carries out brushing repair process in certain direction, and translational speed uniformly, should be answered firmly slow when brushing repair process,
Slowly oozed out by repair solution and be defined；Then carried out every 1-3min by way of it will brush pen again and be saturated with repairing solution more
Secondary brushing, until repairing position forms complete phosphorization membrane；Finally cleaned with clean absorbent cotton and repair surface residual solution.
It is described repair solution 1L solution each component weight ratios be：
Zinc dihydrogen phosphate [Zn (H2PO4)2·2H2O] it is chemical pure：50~70g；
Zinc nitrate [Zn (NO3)2·6H2O] it is chemical pure：80~100g；
Natrium nitrosum (NaNO2) analysis it is pure：0.2~1g；
Surplus is distilled water.
The step S6) dry up high strength steel workpiece phosphorization membrane with air-heater and repair surface moisture, until workpiece surface
Untill being completely dried.
The step S7) by hand mode remove the insulation such as pressure sensitive adhesive tape or the sheet lead adhesive tape of high strength steel workpiece surface and prevent
Protect article.
The targeted room temperature of the restorative procedure is the temperature range at 15~35 DEG C, the targeted height of the restorative procedure
Intensity steel workpiece is tensile strength sigmabIn the ferrous materials workpiece of 1300~1800MPa scopes.
The beneficial effects of the invention are as follows the process is used, the phosphorus of high strength steel workpiece can be effectively repaired at room temperature
Change film layer, while hydrogen brittleness will not be caused to endanger high strength steel workpiece, so as to effectively overcome deficiency of the prior art.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the schematic flow sheet of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, below it is right
The present invention is expanded on further.
Method and step figure as shown in Figure 1, by taking the bushing of aircraft repair process as an example, the lagging material is
30CrMnSiNi2A ferrous materials, tensile strength sigmab(1570~1770) MPa, alramenting film layer are damaged in use,
And because interference fit can not be dismantled, local route repair need to be carried out, illustrates that a kind of phosphorization membrane part room temperature of high strength steel workpiece is repaiied
The realization of compound method.
Step S1) pretreatment：The surface and oil contaminant of aero-washing gasoline cleaning removal bushing is dipped using absorbent cotton；
Step S2) insulation protection：The peripheral region of bushing phosphorization membrane complex surface to be repaired is protected with sheet lead adhesive tape,
Prevent from damaging peripheral region surface in repair process；
Step S3) purified treatment：Gently polished bushing phosphorization membrane injured surface with 400# sand paper using manual mode, with
The old phosphorization membrane of complex surface to be repaired is removed, until metallic matrix gloss, non-corroding vestige is presented in surface；
Step S4) activation process：Prepare 1L activation process solution：Weigh PHOSPHORIC ACID TECH.GRADE (H3PO4, 85%) 700g, industry
Level alcohol (C2H5OH) 280g, hydroquinones [C6H4(OH)2] the pure 2g of chemistry；It is sequentially placed into the container for being previously added 1.5L, it is molten
It is 1L that liquor capacity is added water to after solution, is well mixed；
The activated solution prepared is dipped using absorbent cotton to carry out at activation the bushing workpiece surface after purified processing
Reason, time 25s, and then dried with the absorbent cotton of drying.
Step S5) repair process：Prepare 2L repair process solution：Weigh zinc dihydrogen phosphate [Zn (H2PO4)2·2H2O] change
Learn pure 120g, zinc nitrate [Zn (NO3)2·6H2O] the pure 180g of chemistry, natrium nitrosum (NaNO2) the pure 1.5g of analysis；It is sequentially placed into pre-
First add in the container of 1L distilled water, after dissolving plus distilled water to liquor capacity is 2L, is well mixed.
Reparation solution is dipped using the brushing pen of parcel cotton-padded covering, the sleeve surface after activated processing is in the direction of the clock
Carry out brushing repair process.When brushing repair process translational speed uniformly, it is firmly slow, slowly oozed out by repair solution and be defined；
Then repeatedly brushed by way of it will brush pen again and be saturated with repairing solution every 2min, brush 3 reparation positions altogether
Form complete phosphorization membrane；Finally cleaned with clean absorbent cotton and repair surface residual solution；
Step S6) dry：Bushing workpiece surface moisture is dried up with air-heater, until sleeve surface is completely dried.
Step S7) post processing：Mode removes the sheet lead adhesive tape insulating protection article of sleeve surface by hand.
The phosphorization membrane part room temperature restorative procedure of the high strength steel workpiece of the present invention, the bushing for aircraft repair process
Workpiece surface phosphorization membrane local route repair, the lagging material are 30CrMnSiNi2A ferrous materials, tensile strength sigmab(1570~
1770) MPa, phosphorization membrane local damage, the part of the phosphorization membrane of 20 bushing workpiece is successfully completed using this method
Repair, after reparation, phosphorization membrane meets requirement.
During the phosphorization membrane local route repair of bushing workpiece, without heating, phosphorization membrane can be effectively repaired at room temperature,
The energy has been saved to a certain extent；Meanwhile this method is simple to operate, it is easy to production operation.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, that described in above-described embodiment and specification is the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these change and
Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Thing defines.
Claims (10)
- A kind of 1. phosphorization membrane part room temperature restorative procedure of high strength steel workpiece, it is characterised in that：Including step：S1) pre-process；S2) insulation protection；S3) purified treatment；S4) activation process；S5) repair process；S6) dry；S7) post-process.
- 2. a kind of phosphorization membrane part room temperature restorative procedure of high strength steel workpiece according to claim 1, its feature exist In：The step S2) use the peripheral region of pressure sensitive adhesive tape or sheet lead adhesive tape to high strength steel workpiece phosphorization membrane complex surface to be repaired Protected, prevent from damaging peripheral region surface in repair process.
- 3. a kind of phosphorization membrane part room temperature restorative procedure of high strength steel workpiece according to claim 1, its feature exist In：The step S3) it is to be repaired with 400# and the above sand paper high strength steel workpiece phosphorization membrane of gently polishing using manual mode Surface, to remove the old phosphorization membrane of complex surface to be repaired or corrosion, until metallic matrix gloss, non-corroding vestige is presented in surface.
- 4. a kind of phosphorization membrane part room temperature restorative procedure of high strength steel workpiece according to claim 1 or 3, its feature It is：The step S4) appropriate activated solution dipped to the step S3 using absorbent cotton) high strength steel after purified treatment Workpiece surface carries out activation process, time 15-30s, and is then dried with the absorbent cotton of drying.
- 5. a kind of phosphorization membrane part room temperature restorative procedure of high strength steel workpiece according to claim 4, its feature exist In：The 1L solution each component weight ratios of the activated solution are：PHOSPHORIC ACID TECH.GRADE (H3PO4)：600~800g；Industrial grade ethanol (C2H5OH)：250~300g；Hydroquinones [C6H4(OH)2] chemical pure：1~3g/L；Surplus is water.
- 6. a kind of phosphorization membrane part room temperature restorative procedure of high strength steel workpiece according to claim 1, its feature exist In：The step S5) appropriate reparation solution dipped using the brushing pen of parcel cotton-padded covering, in the step S4) after activation process Surface carry out brushing repair process in certain direction, when brushing repair process translational speed should uniformly, firmly should be slow, to repair Redissolution liquid, which slowly oozes out, to be defined；Then repeatedly brushed by way of it will brush pen again and be saturated with repairing solution every 1-3min Apply, until repairing position forms complete phosphorization membrane；Finally cleaned with clean absorbent cotton and repair surface residual solution.
- 7. a kind of phosphorization membrane part room temperature restorative procedure of high strength steel workpiece according to claim 6, its feature exist In：It is described repair solution 1L solution each component weight ratios be：Zinc dihydrogen phosphate [Zn (H2PO4)2·2H2O] it is chemical pure：50~70g；Zinc nitrate [Zn (NO3)2·6H2O] it is chemical pure：80~100g；Natrium nitrosum (NaNO2) analysis it is pure：0.2~1g；Surplus is distilled water.
- 8. a kind of phosphorization membrane part room temperature restorative procedure of high strength steel workpiece according to claim 1, its feature exist In：The step S6) dry up high strength steel workpiece phosphorization membrane with air-heater and repair surface moisture, until workpiece surface is completely dry Untill dry.
- 9. a kind of phosphorization membrane part room temperature restorative procedure of high strength steel workpiece according to claim 1, its feature exist In：The step S7) by hand mode remove the insulating protection things such as pressure sensitive adhesive tape or the sheet lead adhesive tape of high strength steel workpiece surface Product.
- A kind of 10. phosphorization membrane part room temperature reparation side of high strength steel workpiece according to any one of claim 1 to 9 Method, it is characterised in that：The targeted room temperature of the restorative procedure is the temperature range at 15~35 DEG C, restorative procedure institute pin To high strength steel workpiece be tensile strength sigmabIn the ferrous materials workpiece of 1300~1800MPa scopes.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109338349A (en) * | 2018-08-31 | 2019-02-15 | 北京曙光航空电气有限责任公司 | A kind of process of Passive Film on Zinc Coating reparation |
| CN112226755A (en) * | 2020-09-23 | 2021-01-15 | 山东大业股份有限公司 | Phosphating method and device for surface treatment of metal wire |
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| CN109338349A (en) * | 2018-08-31 | 2019-02-15 | 北京曙光航空电气有限责任公司 | A kind of process of Passive Film on Zinc Coating reparation |
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Application publication date: 20180216 |
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