CN107299317A - A kind of surface treatment technique for stainless steel - Google Patents
A kind of surface treatment technique for stainless steel Download PDFInfo
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- CN107299317A CN107299317A CN201710476932.7A CN201710476932A CN107299317A CN 107299317 A CN107299317 A CN 107299317A CN 201710476932 A CN201710476932 A CN 201710476932A CN 107299317 A CN107299317 A CN 107299317A
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- stainless steel
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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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
- C23C14/165—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon by cathodic sputtering
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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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
-
- 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
- C23F1/02—Local etching
-
- 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
- C23F17/00—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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- ing And Chemical Polishing (AREA)
Abstract
The invention belongs to stainless steel products technical field, there is provided a kind of surface treatment technique for stainless steel, including drilling, reaming, profit hole, stainless steel is surface-treated before being drilled, stainless steel after surface treatment is put into chemical attack reaming in drilling agent, after the stainless steel cleaning after pore-creating, it is put into inside expanding agent and carries out expanding treatment, the processing of profit hole is carried out by being put into after the stainless steel cleaning after reaming in profit hole agent.It is an object of the invention to provide a kind of surface treatment technique for stainless steel, stainless steel surfaces caking property and alkali resistance can be improved.
Description
Technical field
The invention belongs to stainless steel products technical field, in particular it relates to a kind of surface treatment technique for stainless steel.
Background technology
Because stainless steel has higher intensity, hardness and wearability, and corrosion resistance is good, now, general as spare part
It is particularly suitable in the utilization of the electronic device industries such as mobile phone, tablet personal computer all over daily living article and electronic product etc. is used for
Extensively.With electronics 3C Product and the diversified development of household electrical appliance, market uses stainless steel and plastic cement knot more and more
The product of conjunction, the performance and required precision more and more higher combined to stainless steel and plastic cement.Traditional stainless steel and plastic cement combination skill
Art is to be combined together stainless steel and plastic cement in the environment of normal temperature or heating using adhesive, the combination so obtained
Adhesion is poor, using being restricted, it is impossible to meet the actual use intensity requirement of product.And the structural member of such adhesive bonding method
Acid-proof alkaline is poor, it is impossible to carries out some chemical surface decorations processing such as follow-up anodic oxidation, and continues to be machined effect
Rate is low, complex process, and operation difficulty is big, and cost is high.In order to preferably make stainless steel and plastic cement combine, it is necessary to stainless steel surfaces
Handled.Existing treatment technology often uses anodic process, so that its surface can be dyed and improve dicoration, but not
Steel become rusty because of itself material factors, it can not directly carry out anod surface treatment.Alternatively, it is also possible to first be carried out to stainless steel at chemistry
Reason, but its complex process, and need the surface effect expended after substantial amounts of chemicals, anode also poor.
For above present situation, inventor is through experiment repeatedly and demonstration, it is proposed that a kind of surface treatment technique for stainless steel.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of surface treatment technique for stainless steel, it can improve
Stainless steel surfaces caking property and alkali resistance.
A kind of surface treatment technique for stainless steel that the present invention is provided, including drilling, reaming, profit hole, before being drilled
Stainless steel is surface-treated, the stainless steel after surface treatment is put into chemical attack reaming in drilling agent, will be by making
After stainless steel cleaning behind hole, it is put into inside expanding agent and carries out expanding treatment, will be put into after the stainless steel cleaning after reaming
Moisten and the processing of profit hole is carried out in the agent of hole.
Preferably, the surface treatment comprises the following steps：
Step 1: the surface of stainless steel is polished；
Step 2: stainless steel surfaces erasing inorganic agent after a polish；
Step 3: carrying out sandblasting to the surface of stainless steel；
Step 4: being cleaned to stainless steel；
Deposition processes are carried out in magnetron sputtering apparatus Step 5: stainless steel is delivered to, the surface of stainless steel products is deposited covering
There is aluminium lamination；
Step 6: taking out stainless steel and carrying out anodized；
Step 7: surface treatment is completed.
Preferably, the inorganic agent includes the raw material of following parts by weight：20-35 parts of formic acid, 20-35 parts of polyvinyl alcohol,
20-35 parts of fatty acid glyceride, 20-35 parts of nickel nitrate, 20-35 parts of cocoanut fatty acid diethanolamide, dodecyl sodium sulfonate
20-35 parts of sodium.
Preferably, the preparation method of the inorganic agent is specially：Inorganic agent raw material is weighed according to weight proportion, by the original
105 DEG C of reaction 20-30min are placed in after material mixing, metal conditioner is made.
Preferably, the drilling agent is nitric acid, hydrochloric acid, one or several kinds of mixing of phosphoric acid.
Preferably, the expanding agent is perchloric acid, acetic acid, oxalic acid, tartaric acid, potassium chloride, iron chloride, zinc sulfate and sulfuric acid
One or several kinds of mixing in sodium.
Preferably, profit hole agent be comprising triethanolamine, ethanol, chloromethyloxirane, epoxychloropropane it is anhydrous
The mixed solution of ethanol and acetone.
Preferably, it is described before being surface-treated to stainless steel, stainless steel is cleaned to remove surface and oil contaminant,
Then dry.
Compared with prior art, the present invention has following beneficial effect：
（1）Stainless steel surfaces are first handled by a kind of surface treatment technique for stainless steel that the present invention is provided, first erasing processing
Agent, magnetron sputtering processing is carried out by stainless steel products, the surface of stainless steel products is formed certain thickness aluminium lamination, is improved stainless
Stainless steel surfaces are then corroded hole with method for chemially etching, then pass through reaming again by the anti-oxidant and corrosion resistance of steel
Agent makes hole expand into irregular structure, then carries out the processing of profit hole by profit hole agent, finally, can carry out processed stainless steel
In-mould injection, plastic cement is just bound tightly together with stainless steel by certain chemically and physically effect.And stainless steel passes through
Is combined after the method for treating stainless steel surfaces processing of the present invention with plastic cement, than stainless steel and PUR combination intensity more
Height, performance is more stable, and processing technology is simple, high in machining efficiency, and can reduce the usage amount of products material；
（2）The present invention is when handling stainless steel surfaces, by way of rubbing inorganic agent in stainless steel surfaces, improves not
Anti-oxidant, the anti-corrosion capability of rust steel.Inorganic agent composition used includes formic acid, polyvinyl alcohol, fatty acid glyceride, nitric acid
Nickel, cocoanut fatty acid diethanolamide, dodecyl sodium sulfate, but the inorganic agent of above-mentioned each composition composition is coated on stainless steel
Surface, forms a thin layer of film, so as to play anti-oxidant and etch-proof effect.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.
Embodiment 1
A kind of surface treatment technique for stainless steel that the present embodiment is provided, including drilling, reaming, profit hole, it is right before being drilled
Stainless steel is surface-treated, and the stainless steel after surface treatment is put into chemical attack reaming in drilling agent, will pass through pore-creating
After stainless steel cleaning afterwards, it is put into inside expanding agent and carries out expanding treatment, profit will be put into after the stainless steel cleaning after reaming
The processing of profit hole is carried out in the agent of hole.Wherein, the drilling agent is nitric acid, hydrochloric acid, the mixing of phosphoric acid；Wherein, the expanding agent is height
Chloric acid, acetic acid, oxalic acid, tartaric acid, potassium chloride, iron chloride, the mixing of zinc sulfate and sodium sulphate；Wherein, profit hole agent is bag
Mixed solution containing triethanolamine, ethanol, chloromethyloxirane, the absolute ethyl alcohol of epoxychloropropane and acetone.
In addition, it is described before being surface-treated to stainless steel, stainless steel is cleaned to remove surface and oil contaminant, so
After dry.
Wherein, the surface treatment comprises the following steps：
Step 1: the surface of stainless steel is polished, polishing method can mechanically or chemically medicine drops using mechanical-physical
The roughness of low stainless steel surfaces；
Step 2: stainless steel surfaces erasing inorganic agent after a polish.Wherein, the inorganic agent includes the original of following parts by weight
Material：35 parts of formic acid, 20 parts of polyvinyl alcohol, 35 parts of fatty acid glyceride, 20 parts of nickel nitrate, cocoanut fatty acid diethanolamide 35
Part, 20 parts of dodecyl sodium sulfate.The preparation method of the inorganic agent is specially：Inorganic agent raw material is weighed according to weight proportion,
105 DEG C of reaction 23min are placed in after the raw material is mixed, metal conditioner is made.The inorganic agent of above-mentioned each composition composition
Stainless steel surfaces are coated on, a thin layer of film are formed, so as to play anti-oxidant and etch-proof effect.
Step 3: carrying out sandblasting to the surface of stainless steel.
Step 4: being cleaned to stainless steel.
Deposition processes are carried out in magnetron sputtering apparatus Step 5: stainless steel is delivered to, the surface of stainless steel products is deposited covering
There is aluminium lamination；
Step 6: taking out stainless steel and carrying out anodized；
Step 7: surface treatment is completed.
Stainless steel after the processing of the present embodiment method for treating stainless steel surfaces is combined and common stainless steel and modeling with plastic cement
Cementing conjunction is compared, and the present embodiment stainless steel and PUR combination intensity are higher, and performance is more stable, and processing technology is simple.
Embodiment 2
A kind of surface treatment technique for stainless steel that the present embodiment is provided, including drilling, reaming, profit hole, it is right before being drilled
Stainless steel is surface-treated, and the stainless steel after surface treatment is put into chemical attack reaming in drilling agent, will pass through pore-creating
After stainless steel cleaning afterwards, it is put into inside expanding agent and carries out expanding treatment, profit will be put into after the stainless steel cleaning after reaming
The processing of profit hole is carried out in the agent of hole.Wherein, the drilling agent is nitric acid, the mixing of hydrochloric acid；Wherein, the expanding agent be perchloric acid,
Acetic acid, oxalic acid, tartaric acid, the mixing of potassium chloride；Wherein, profit hole agent is to include triethanolamine, ethanol, chloromethyl epoxy second
The mixed solution of alkane, the absolute ethyl alcohol of epoxychloropropane and acetone.
In addition, it is described before being surface-treated to stainless steel, stainless steel is cleaned to remove surface and oil contaminant, so
After dry.
Wherein, the surface treatment comprises the following steps：
Step 1: the surface of stainless steel is polished, polishing method can mechanically or chemically medicine drops using mechanical-physical
The roughness of low stainless steel surfaces；
Step 2: stainless steel surfaces erasing inorganic agent after a polish.Wherein, the inorganic agent includes the original of following parts by weight
Material：20 parts of formic acid, 35 parts of polyvinyl alcohol, 20 parts of fatty acid glyceride, 35 parts of nickel nitrate, cocoanut fatty acid diethanolamide 20
Part, 35 parts of dodecyl sodium sulfate.The preparation method of the inorganic agent is specially：Inorganic agent raw material is weighed according to weight proportion,
105 DEG C of reaction 20min are placed in after the raw material is mixed, metal conditioner is made.The inorganic agent of above-mentioned each composition composition
Stainless steel surfaces are coated on, a thin layer of film are formed, so as to play anti-oxidant and etch-proof effect.
Step 3: carrying out sandblasting to the surface of stainless steel.The medium of sandblasting can select molding sand.
Step 4: being cleaned to stainless steel.Wash number can be advisable with stainless steel surfaces entirely without dirt.
Deposition processes are carried out in magnetron sputtering apparatus Step 5: stainless steel is delivered to, the surface of stainless steel products is deposited
Covered with aluminium lamination；
Step 6: taking out stainless steel and carrying out anodized；
Step 7: surface treatment is completed.
Stainless steel after the processing of the present embodiment method for treating stainless steel surfaces is combined and common stainless steel and modeling with plastic cement
Cementing conjunction is compared, and the present embodiment stainless steel and PUR combination intensity are higher, and performance is more stable, and processing technology is simple.
Embodiment 3
A kind of surface treatment technique for stainless steel that the present embodiment is provided, including drilling, reaming, profit hole, it is right before being drilled
Stainless steel is surface-treated, and the stainless steel after surface treatment is put into chemical attack reaming in drilling agent, will pass through pore-creating
After stainless steel cleaning afterwards, it is put into inside expanding agent and carries out expanding treatment, profit will be put into after the stainless steel cleaning after reaming
The processing of profit hole is carried out in the agent of hole.Wherein, the drilling agent is hydrochloric acid, the mixing of phosphoric acid；Wherein, the expanding agent be, iron chloride,
The mixing of zinc sulfate and sodium sulphate；Wherein, profit hole agent is to include triethanolamine, ethanol, chloromethyloxirane, epoxy chlorine
The absolute ethyl alcohol of propane and the mixed solution of acetone.
In addition, it is described before being surface-treated to stainless steel, stainless steel is cleaned to remove surface and oil contaminant, so
After dry.
Wherein, the surface treatment comprises the following steps：
Step 1: the surface of stainless steel is polished, polishing method can mechanically or chemically medicine drops using mechanical-physical
The roughness of low stainless steel surfaces；
Step 2: stainless steel surfaces erasing inorganic agent after a polish.Wherein, the inorganic agent includes the original of following parts by weight
Material：22 parts of formic acid, 25 parts of polyvinyl alcohol, 24 parts of fatty acid glyceride, 27 parts of nickel nitrate, cocoanut fatty acid diethanolamide 22
Part, 21 parts of dodecyl sodium sulfate.The preparation method of the inorganic agent is specially：Inorganic agent raw material is weighed according to weight proportion,
105 DEG C of reaction 30min are placed in after the raw material is mixed, metal conditioner is made.The inorganic agent of above-mentioned each composition composition
Stainless steel surfaces are coated on, a thin layer of film are formed, so as to play anti-oxidant and etch-proof effect.
Step 3: carrying out sandblasting to the surface of stainless steel.The medium of sandblasting can select yellow ground.
Step 4: being cleaned to stainless steel.Wash number can be advisable with stainless steel surfaces entirely without dirt.
Deposition processes are carried out in magnetron sputtering apparatus Step 5: stainless steel is delivered to, the surface of stainless steel products is deposited
Covered with aluminium lamination；
Step 6: taking out stainless steel and carrying out anodized；
Step 7: surface treatment is completed.
Stainless steel after the processing of the present embodiment method for treating stainless steel surfaces is combined and common stainless steel and modeling with plastic cement
Cementing conjunction is compared, and the present embodiment stainless steel and PUR combination intensity are higher, and performance is more stable, and processing technology is simple.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
1. a kind of surface treatment technique for stainless steel, including drilling, reaming, profit hole, it is characterised in that：To not before being drilled
Rust steel is surface-treated, and the stainless steel after surface treatment is put into chemical attack reaming in drilling agent, will be after pore-creating
Stainless steel cleaning after, be put into inside expanding agent and carry out expanding treatment, profit hole will be put into after the stainless steel cleaning after reaming
The processing of profit hole is carried out in agent.
2. surface treatment technique for stainless steel according to claim 1, it is characterised in that：The surface treatment includes following step
Suddenly：
Step 1: the surface of stainless steel is polished；
Step 2: stainless steel surfaces erasing inorganic agent after a polish；
Step 3: carrying out sandblasting to the surface of stainless steel；
Step 4: being cleaned to stainless steel；
Deposition processes are carried out in magnetron sputtering apparatus Step 5: stainless steel is delivered to, the surface of stainless steel products is deposited covering
There is aluminium lamination；
Step 6: taking out stainless steel and carrying out anodized；
Step 7: surface treatment is completed.
3. surface treatment technique for stainless steel according to claim 2, it is characterised in that：The inorganic agent includes following weight
The raw material of number：20-35 parts of formic acid, 20-35 parts of polyvinyl alcohol, 20-35 parts of fatty acid glyceride, 20-35 parts of nickel nitrate, coconut
20-35 parts of fatty acid oil diglycollic amide, 20-35 parts of dodecyl sodium sulfate.
4. surface treatment technique for stainless steel according to claim 3, it is characterised in that：The preparation method tool of the inorganic agent
Body is：Inorganic agent raw material is weighed according to weight proportion, 105 DEG C of reaction 20-30min are placed in after the raw material is mixed, gold is made
Metal surface inorganic agent.
5. surface treatment technique for stainless steel according to claim 1, it is characterised in that：It is described drilling agent be nitric acid, hydrochloric acid,
One or several kinds of mixing of phosphoric acid.
6. surface treatment technique for stainless steel according to claim 1, it is characterised in that：The expanding agent is perchloric acid, vinegar
One or several kinds of mixing in acid, oxalic acid, tartaric acid, potassium chloride, iron chloride, zinc sulfate and sodium sulphate.
7. surface treatment technique for stainless steel according to claim 1, it is characterised in that：Profit hole agent is to include three ethanol
Amine, ethanol, chloromethyloxirane, the mixed solution of the absolute ethyl alcohol of epoxychloropropane and acetone.
8. surface treatment technique for stainless steel according to claim 1, it is characterised in that：It is described that surface is being carried out to stainless steel
Before processing, stainless steel is cleaned to remove surface and oil contaminant, then dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476932.7A CN107299317A (en) | 2017-06-21 | 2017-06-21 | A kind of surface treatment technique for stainless steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710476932.7A CN107299317A (en) | 2017-06-21 | 2017-06-21 | A kind of surface treatment technique for stainless steel |
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| CN107299317A true CN107299317A (en) | 2017-10-27 |
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| CN201710476932.7A Withdrawn CN107299317A (en) | 2017-06-21 | 2017-06-21 | A kind of surface treatment technique for stainless steel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108642542A (en) * | 2018-05-14 | 2018-10-12 | 龙舜化工（南通）有限公司 | A kind of method of metal processing and metal plastic composite material |
| CN110261207A (en) * | 2018-03-12 | 2019-09-20 | 天津大学 | A kind of pair of two phase stainless steel-carbon steel composite board electro-beam welding joint position metallographic etching mode |
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| CN105220161A (en) * | 2015-11-19 | 2016-01-06 | 东莞金稞电子科技有限公司 | Stainless process of surface treatment |
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| CN105908185A (en) * | 2016-04-20 | 2016-08-31 | 东莞劲胜精密组件股份有限公司 | Stainless steel surface treatment method and preparation method of stainless steel plastic composite |
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| CN103895156A (en) * | 2014-04-01 | 2014-07-02 | 东莞劲胜精密组件股份有限公司 | Composite material and preparation method thereof |
| CN105220161A (en) * | 2015-11-19 | 2016-01-06 | 东莞金稞电子科技有限公司 | Stainless process of surface treatment |
| CN105463468A (en) * | 2015-12-02 | 2016-04-06 | 常熟市惠一机电有限公司 | Surface treatment process for shell metal stamping part |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261207A (en) * | 2018-03-12 | 2019-09-20 | 天津大学 | A kind of pair of two phase stainless steel-carbon steel composite board electro-beam welding joint position metallographic etching mode |
| CN110261207B (en) * | 2018-03-12 | 2021-08-13 | 天津大学 | Metallographic etching method for joint part of two-phase stainless steel-carbon steel composite plate welded by electron beam |
| CN108642542A (en) * | 2018-05-14 | 2018-10-12 | 龙舜化工（南通）有限公司 | A kind of method of metal processing and metal plastic composite material |
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Application publication date: 20171027 |
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