CN115354265A - Method for spraying copper metal layer on stainless steel surface through low-voltage stud - Google Patents
Method for spraying copper metal layer on stainless steel surface through low-voltage stud Download PDFInfo
- Publication number
- CN115354265A CN115354265A CN202110486862.XA CN202110486862A CN115354265A CN 115354265 A CN115354265 A CN 115354265A CN 202110486862 A CN202110486862 A CN 202110486862A CN 115354265 A CN115354265 A CN 115354265A
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- Prior art keywords
- stainless steel
- spraying
- stud
- copper metal
- metal layer
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 94
- 239000010935 stainless steel Substances 0.000 title claims abstract description 94
- 238000005507 spraying Methods 0.000 title claims abstract description 55
- 239000002184 metal Substances 0.000 title claims abstract description 44
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 44
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000010949 copper Substances 0.000 title claims abstract description 33
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000003466 welding Methods 0.000 claims abstract description 53
- 238000005498 polishing Methods 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims abstract description 6
- 238000004506 ultrasonic cleaning Methods 0.000 claims abstract description 5
- 230000004913 activation Effects 0.000 claims abstract 2
- 230000003746 surface roughness Effects 0.000 claims description 12
- 230000003213 activating effect Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009713 electroplating Methods 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009931 harmful effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/123—Spraying molten metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/20—Stud welding
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention discloses a method for spraying a copper metal layer on a stainless steel surface by using a low-voltage stud, which comprises the following steps: leveling and polishing the surface of stainless steel, testing the roughness of the surface of the stainless steel, carrying out ultrasonic cleaning on the surface of the stainless steel, observing whether the surface of the stainless steel is clean, carrying out activation treatment on the surface of the stainless steel, starting spraying, and finally carrying out detection on the surface of the stainless steel. The invention provides a method for spraying a copper metal layer on a stainless steel surface by a low-voltage stud. The spraying method has the advantages of low cost, simple operation and low requirement on the spraying environment, and can realize the spraying of the metal layer on the metal surface only by the stud welding machine, thereby improving the spraying efficiency.
Description
Technical Field
The invention relates to the field of metal surface spraying, in particular to a method for spraying a copper metal layer on a stainless steel surface by using a low-voltage stud.
Background
A method for spraying a copper metal layer on the surface of stainless steel metal by utilizing stud welding is mainly characterized in that through the basic principle of stud welding, continuous tests show that when the stud welding voltage is 44-45V, stud welding nails cannot be effectively connected with the metal to be welded, and a metal layer is sprayed on the surface of the metal to be welded. The spraying of the copper metal layer on the stainless steel metal surface can be realized by the method. Compared with copper metal, copper has excellent thermal conductivity and electrical conductivity, the heat dissipation performance of stainless steel can be greatly improved by spraying a copper metal layer on the surface of the stainless steel, and meanwhile, the corrosion speed of the stainless steel in seawater is high due to the fact that seawater contains a large amount of chloride ions, while the corrosion speed of copper in seawater is low, and the corrosion resistance of the stainless steel in seawater can be improved by spraying the copper metal layer.
At present, in a treatment process of a metal surface, spraying is generally carried out by adopting methods such as electroplating and the like, the operation is complex, chemical substances harmful to human bodies are required to be used in the electroplating process, the operation environment is harmful to the human bodies, a large amount of waste water and waste gas are generated in the whole production process, the pollution to the environment is large, and the electroplating cost is high. When the stud welding is used for spraying the surface of the stainless steel, harmful effects on human bodies and the environment cannot be caused, and the stud welding machine is used for spraying, so that the working efficiency can be greatly improved.
Disclosure of Invention
The invention aims to provide a method for spraying a copper metal layer on a stainless steel surface low-voltage stud. The spraying of the copper metal layer on the surface of the stainless steel is realized by adopting a stud welding mode, and a novel and efficient stainless steel surface spraying method is provided.
In order to achieve the above purpose, the invention provides the following technical scheme:
a method for spraying a copper metal layer on a stainless steel surface by using a low-voltage stud comprises the following steps:
step S1, mechanically flattening and polishing the surface of stainless steel;
and S2, testing the surface roughness of the stainless steel, observing the surface roughness by using a laser confocal microscope, ensuring that the surface roughness Ra of the stainless steel is less than 1mm, and returning to the step S1 for polishing if the surface roughness Ra of the stainless steel is more than 1 mm.
S3, performing ultrasonic cleaning on the stud welding nail and the stainless steel surface;
s4, observing whether the surface of the stainless steel is clean or not, irradiating the surface of the stainless steel with strong light, and if the surface of the stainless steel has dirt, returning to the step S2 until the surface of the stainless steel is clean and has no dirt, and continuing the next step;
s5, activating the surface of the stainless steel, and removing an oxide film on the surface of the stainless steel;
s6, starting spraying, setting welding voltage of the stud welding machine, and spraying the surface of the stainless steel;
s7, detecting the surface of the stainless steel, observing whether the copper metal completely covers the surface of the stainless steel, and finishing spraying if the copper metal completely covers the surface of the stainless steel; if the copper metal is not completely covered, the process returns to step S1.
Further, in the step S6, the welding voltage range of the stud welding machine is 44V to 45V, the stud welding nail is in contact with the stainless steel surface, and the stud welding gun is perpendicular to the stainless steel surface.
The invention has the advantages that: compared with the traditional electroplating method, the method for spraying the copper metal layer on the stainless steel surface by using the stud welding machine is simple to operate, firstly, the stainless steel surface is simply treated, then, the voltage of the stud welding machine is set to be 44-45V, and the spraying can be started, so that the high-efficiency spraying of the stainless steel surface can be realized, and the environment and the working environment are not polluted.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention.
FIG. 1 is a process flow diagram of a method for spraying a copper metal layer on a stainless steel surface by a low-voltage stud;
FIG. 2 is a schematic diagram of stud welding spray coating;
FIG. 3 is a diagram of the actual spraying effect when the welding voltage of the stud welding machine is 44V;
FIG. 4 is a diagram of the actual spraying effect when the welding voltage of the stud welding machine is 45V.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings to make the technical solutions of the present invention easier to understand and grasp. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
referring to fig. 1-4, the present invention provides a method for spraying a copper metal layer on a stainless steel surface by using a low voltage stud, comprising the following steps:
s1, mechanically flattening and polishing the surface of stainless steel;
and S2, testing the surface roughness of the stainless steel, observing the surface roughness by using a laser confocal microscope, ensuring that the surface roughness Ra of the stainless steel is less than 1mm, and returning to the step S1 for polishing if the surface roughness Ra of the stainless steel is more than 1 mm.
S3, performing ultrasonic cleaning on the stud welding nail and the stainless steel surface;
s4, observing whether the surface of the stainless steel is clean or not, irradiating the surface of the stainless steel with strong light, and if the surface of the stainless steel has dirt, returning to the step S2 until the surface of the stainless steel is clean and has no dirt, and continuing the next step;
s5, activating the surface of the stainless steel, and removing an oxide film on the surface of the stainless steel;
s6, starting spraying, setting welding voltage of the stud welding machine, and spraying the surface of the stainless steel;
s7, detecting the surface of the stainless steel, observing whether the copper metal completely covers the surface of the stainless steel, and finishing spraying if the copper metal completely covers the surface of the stainless steel; and if the copper metal is not completely covered, returning to the step S1 for processing.
The present invention will be further described with reference to the following embodiments.
After the step S5 is completed, the operation of spraying the copper metal layer on the stainless steel surface by using the low-voltage stud is started, firstly, the welding parameters of the stud welding machine are required to be set, the welding voltage of the stud welding machine is set to be between 44V and 45V, and if the welding voltage exceeds the range of the welding voltage, the spraying cannot be performed or the stud welding nail cannot be directly welded on the stainless steel surface. And then adjusting the stud welding gun, wherein the stud welding gun must be perpendicular to the stainless steel surface to achieve the best spraying effect, when the stud welding gun contacts the stainless steel surface, applying a constant load of 55N on the welding gun, finally electrifying and striking to complete the first-step spraying, lifting the stud welding gun after the spraying is finished, replacing the stud welding nail, and continuously repeating the above actions to perform the spraying until the copper metal covers the whole stainless steel surface.
In this embodiment, in step S6, the welding voltage range of the stud welding machine is 44V to 45V, the stud welding nail is in contact with the stainless steel surface, and the stud welding gun is perpendicular to the stainless steel surface.
The invention is improved as follows: the invention discloses a method for spraying a copper metal layer on a stainless steel surface by using a low-voltage stud. The method comprises the steps of leveling and polishing the surface of the stainless steel, testing the roughness of the surface of the stainless steel, carrying out ultrasonic cleaning on the surface of the stainless steel, activating the surface of the stainless steel and the like, and spraying a copper metal coating on the surface of the stainless steel by setting a low voltage for a stud welding machine. The stud welding is combined with the surface spraying of the metal material to change the surface properties of the stainless steel. The metal layer is sprayed on the metal surface, so that the corrosion resistance, the wear resistance, the hardness, the surface gloss and the like of the material surface can be changed. The spraying method has the advantages of low cost, simple operation and low requirement on the spraying environment, and can realize the spraying of the metal layer on the metal surface only by the stud welding machine, so that the spraying efficiency is high.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A method for spraying a copper metal layer on a stainless steel surface low-voltage stud is characterized by comprising the following steps:
s1, mechanically flattening and polishing the surface of stainless steel;
and S2, testing the surface roughness of the stainless steel, observing the surface roughness by using a laser confocal microscope, ensuring that the surface roughness Ra of the stainless steel is less than 1mm, and returning to the step S1 for polishing if the surface roughness Ra of the stainless steel is more than 1 mm.
S3, performing ultrasonic cleaning on the stud welding nail and the stainless steel surface;
s4, observing whether the surface of the stainless steel is clean or not, irradiating the surface of the stainless steel with strong light, and if the surface of the stainless steel has dirt, returning to the step S2 until the surface of the stainless steel is clean and has no dirt, and continuing the next step;
s5, activating the surface of the stainless steel, and removing an oxide film on the surface of the stainless steel;
s6, starting spraying, setting welding voltage of the stud welding machine, and spraying the surface of the stainless steel;
s7, detecting the surface of the stainless steel, observing whether the copper metal completely covers the surface of the stainless steel, and finishing spraying if the copper metal completely covers the surface of the stainless steel; if the copper metal is not completely covered, the process returns to step S1.
2. The method as claimed in claim 1, wherein the step of mechanically flattening the surface of the stainless steel is performed by grinding, and the surface of the stainless steel is polished after grinding.
3. The method for spraying the copper metal layer on the stainless steel surface through the stud bolt under the low voltage according to claim 1, wherein the welding voltage range of the stud bolt welding machine is 44V-45V.
4. The method as claimed in claim 1, wherein step S5 is a surface activation treatment of stainless steel, and the activating agent is 10% hydrochloric acid solution.
5. The method of claim 1, wherein the stud welding gun applies a 55N force on the stud welding gun when the stud welding nail contacts the stainless steel surface at the beginning of spraying in step S6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110486862.XA CN115354265B (en) | 2021-05-02 | 2021-05-02 | Method for spraying copper metal layer on stainless steel surface low-voltage stud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110486862.XA CN115354265B (en) | 2021-05-02 | 2021-05-02 | Method for spraying copper metal layer on stainless steel surface low-voltage stud |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115354265A true CN115354265A (en) | 2022-11-18 |
| CN115354265B CN115354265B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110486862.XA Active CN115354265B (en) | 2021-05-02 | 2021-05-02 | Method for spraying copper metal layer on stainless steel surface low-voltage stud |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4428847A (en) * | 1981-01-14 | 1984-01-31 | Martin Marietta Corporation | Anode stud coatings for electrolytic cells |
| CN1775446A (en) * | 2005-12-09 | 2006-05-24 | 西南交通大学 | Arc stud welding method |
| CN102776466A (en) * | 2012-08-10 | 2012-11-14 | 昆山乔锐金属制品有限公司 | Preparation method for composite coating by using stainless steel as base material |
| CN103357999A (en) * | 2013-07-27 | 2013-10-23 | 何强 | Welding technique of electric resistance welding and stud welding of unmatched materials |
| CN107312433A (en) * | 2017-06-22 | 2017-11-03 | 合肥汇之新机械科技有限公司 | A kind of surface treatment technique for stainless steel |
| JP2019171464A (en) * | 2018-03-29 | 2019-10-10 | 日鉄日新製鋼株式会社 | Stud welding method and joining body |
| CN111069750A (en) * | 2019-12-27 | 2020-04-28 | 武汉武船计量试验有限公司 | Welding method of stainless steel stud and steel plate |
| CN112496507A (en) * | 2020-10-27 | 2021-03-16 | 中国核工业华兴建设有限公司 | Stud welding method based on profiled steel sheet |
-
2021
- 2021-05-02 CN CN202110486862.XA patent/CN115354265B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4428847A (en) * | 1981-01-14 | 1984-01-31 | Martin Marietta Corporation | Anode stud coatings for electrolytic cells |
| CN1775446A (en) * | 2005-12-09 | 2006-05-24 | 西南交通大学 | Arc stud welding method |
| CN102776466A (en) * | 2012-08-10 | 2012-11-14 | 昆山乔锐金属制品有限公司 | Preparation method for composite coating by using stainless steel as base material |
| CN103357999A (en) * | 2013-07-27 | 2013-10-23 | 何强 | Welding technique of electric resistance welding and stud welding of unmatched materials |
| CN107312433A (en) * | 2017-06-22 | 2017-11-03 | 合肥汇之新机械科技有限公司 | A kind of surface treatment technique for stainless steel |
| JP2019171464A (en) * | 2018-03-29 | 2019-10-10 | 日鉄日新製鋼株式会社 | Stud welding method and joining body |
| CN111069750A (en) * | 2019-12-27 | 2020-04-28 | 武汉武船计量试验有限公司 | Welding method of stainless steel stud and steel plate |
| CN112496507A (en) * | 2020-10-27 | 2021-03-16 | 中国核工业华兴建设有限公司 | Stud welding method based on profiled steel sheet |
Non-Patent Citations (1)
| Title |
|---|
| 王堃等: ""异种金属螺柱焊接头组织及力学性能分析"", 《热加工工艺》, vol. 48, no. 21, pages 135 - 137 * |
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| CN115354265B (en) | 2024-01-26 |
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