CN113463091A - Copper alloy cladding method - Google Patents
Copper alloy cladding method Download PDFInfo
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- CN113463091A CN113463091A CN202110740797.9A CN202110740797A CN113463091A CN 113463091 A CN113463091 A CN 113463091A CN 202110740797 A CN202110740797 A CN 202110740797A CN 113463091 A CN113463091 A CN 113463091A
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- Prior art keywords
- copper alloy
- cladding
- powder
- laser
- alloy
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- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 53
- 238000005253 cladding Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 45
- 238000004372 laser cladding Methods 0.000 claims abstract description 17
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 16
- 239000000956 alloy Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000005498 polishing Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000011148 porous material Substances 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000012159 carrier gas Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000005201 scrubbing Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
- C23C24/106—Coating with metal alloys or metal elements only
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/057—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being less 10%
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a copper alloy cladding method, which comprises the following steps: a, polishing the surface of the copper alloy; the method is characterized in that: b, pretreating the surface of the copper alloy, and heating the surface of the copper alloy by using heating equipment to reach a certain temperature; c, carrying out laser cladding on the surface of the copper alloy by a laser in an optical inner coaxial powder feeding mode, and carrying gas and feeding powder by a double-bin negative pressure type powder feeder in the cladding process, wherein the thickness of a cladding layer is 1.5 mm; the laser cladding alloy powder is formed by mixing a plurality of metal powders. The cladding layer obtained by the cladding method provided by the invention has the advantages of fine structure, excellent performance, no crack, no pore, excellent flatness and the like.
Description
The technical field is as follows:
the invention relates to a laser cladding method, in particular to a copper alloy cladding method.
Background art:
the copper alloy workpiece has low melting point, good heat conduction and electric conductivity and good machining performance, and is widely applied to various fields such as mechanical manufacturing, electrical and electronic products, metallurgical industry and the like.
With the development of the industry, the performance of the traditional copper can not meet the special industrial use condition. Particularly in some special fields, the copper surface is constantly subjected to high temperature, high pressure or strong abrasion, so that the copper surface must have wear resistance, heat resistance and the like. The laser cladding has the advantages of high flexibility, small heat influence on a workpiece, high bonding strength between the coating and a substrate and the like, and the coating with fine structure and excellent performance can be obtained by using the method. Because the copper surface has high reflectivity, laser cladding on the copper surface is difficult, and methods such as polishing, preheating and the like are needed to be carried out on the copper surface, so that the problem of cladding difficulty is solved.
The invention content is as follows:
the invention provides a copper alloy cladding method for overcoming the defects in the prior art.
The application provides the following technical scheme:
a copper alloy cladding method comprises the following steps: a, polishing the surface of the copper alloy; the method is characterized in that: b, pretreating the surface of the copper alloy; heating the surface of the copper alloy by using heating equipment; c, carrying out laser cladding on the surface of the copper alloy by a laser in a light inner coaxial powder feeding mode to form an alloy wear-resistant layer on the surface, and carrying gas and feeding powder by a double-bin negative pressure powder feeder in the cladding process, wherein the thickness of the cladding layer is 1.5 mm; the alloy powder for laser cladding is formed by mixing 1.5-3% of Fe, 1.5-20% of Cr, 0.05-2.5% of Co, 48-64% of Ni and 0.09-9.5% of Mo.
On the basis of the technical scheme, the following further technical scheme can be provided:
the pretreatment in B comprises cleaning the surface of the copper alloy by using alcohol, and then preheating the surface of the copper alloy by using a heating gun at the heating temperature of 200-500 ℃.
At least one of Nb (2.5% -3.7%), W (15.5% -17%) and Cu (16.87%) can also be added into the alloy powder for laser cladding.
And in the step C, argon is used as a protective gas.
In the C, the laser power of the laser is 3700W, the scanning speed is 6mm/s, the powder feeding rotating speed of the powder feeder is (0.5-1.5) r/min, and the flow rate of the powder feeding gas is 7.6L/min.
The invention has the advantages that:
the cladding layer obtained by the cladding method provided by the invention has the advantages of fine structure, excellent performance, no crack, no pore, excellent flatness and the like. Particularly, the cracking and the air holes of the copper alloy substrate can be effectively prevented by preheating
The specific implementation mode is as follows:
example 1:
a copper alloy cladding method comprises the following steps: and step A, cleaning the surface of the copper alloy and then polishing the surface of the copper alloy so as to enable the surface of the copper alloy to be flat. And step B, scrubbing the surface of the copper alloy by using alcohol (industrial alcohol) to remove stains, and then preheating the surface of the copper alloy by using a heating gun, wherein the heating temperature is 450 ℃. And step C, mixing Fe2.99%, Cr19.78%, Co2.30%, Ni47.92%, Nb2.88%, Mo7.38% and W16.75% to prepare alloy powder for laser cladding. And then placing the alloy powder into a double-bin negative pressure type powder feeder for carrying out carrier gas powder feeding, and carrying out laser cladding on the surface of the copper alloy by using an IPG6000W fiber laser to carry out coaxial powder feeding in the light so as to form an alloy wear-resistant layer on the surface of the copper alloy.
The laser power during cladding is 3700W, the scanning speed is 6mm/s, the powder feeding rotating speed of the powder feeder is 1r/min, the flow rate of powder feeding gas is 7.6L/min, argon with the purity of 99.99% is used as protective gas, and the flow rate of the protective gas is 15L/min.
Example 2:
a copper alloy cladding method comprises the following steps: and step A, cleaning the surface of the copper alloy and then polishing the surface of the copper alloy so as to enable the surface of the copper alloy to be flat. And step B, scrubbing the surface of the copper alloy by using alcohol (industrial alcohol) to remove stains, and then preheating the surface of the copper alloy by using a heating gun at the heating temperature of 200 ℃. And step C, mixing Fe1.78%, Cr21.78%, Co0.218%, Ni63.34%, Nb3.68% and Mo9.1% to prepare alloy powder for laser cladding. And then placing the alloy powder into a double-bin negative pressure type powder feeder for carrying out carrier gas powder feeding, and carrying out laser cladding on the surface of the copper alloy by using an IPG6000W fiber laser to carry out coaxial powder feeding in the light so as to form an alloy wear-resistant layer on the surface of the copper alloy.
The laser power during cladding is 3700W, the scanning speed is 6mm/s, the powder feeding rotating speed of the powder feeder is 1r/min, the flow rate of powder feeding gas is 7.6L/min, argon with the purity of 99.99% is used as protective gas, and the flow rate of the protective gas is 15L/min.
Example 3:
a copper alloy cladding method comprises the following steps: and step A, cleaning the surface of the copper alloy and then polishing the surface of the copper alloy so as to enable the surface of the copper alloy to be flat. And step B, scrubbing the surface of the copper alloy by using alcohol (industrial alcohol) to remove stains, and then preheating the surface of the copper alloy by using a heating gun at the heating temperature of 350 ℃. And step C, mixing Fe2.74%, Cr1.66%, Co0.075%, Ni62.92%, Mo0.105%, W15.61% and Cu16.87% to prepare alloy powder for laser cladding. And then placing the alloy powder into a double-bin negative pressure type powder feeder for carrying out carrier gas powder feeding, and carrying out laser cladding on the surface of the copper alloy by using an IPG6000W fiber laser to carry out coaxial powder feeding in the light so as to form an alloy wear-resistant layer on the surface of the copper alloy.
The laser power during cladding is 3700W, the scanning speed is 6mm/s, the powder feeding rotating speed of the powder feeder is 1r/min, the flow rate of powder feeding gas is 7.6L/min, argon with the purity of 99.99% is used as protective gas, and the flow rate of the protective gas is 15L/min.
Claims (5)
1. A copper alloy cladding method comprises the following steps: a, polishing the surface of the copper alloy; the method is characterized in that: b, pretreating the surface of the copper alloy, and heating the surface of the copper alloy by using heating equipment; carrying out laser cladding on the surface of the copper alloy by a laser in a light inner coaxial powder feeding mode to form an alloy wear-resistant layer, and carrying gas and feeding powder by a double-bin negative pressure powder feeder in the cladding process, wherein the thickness of the cladding layer is 1.5 mm; the laser cladding alloy powder is formed by mixing 1.5-3% of Fe, 1.5-20% of Cr, 0.05-2.5% of Co, 48-64% of Ni and 0.09-9.5% of Mo.
2. The copper alloy cladding method according to claim 1, wherein: the pretreatment in B comprises cleaning the surface of the copper alloy by using alcohol, and then preheating the surface of the copper alloy by using a heating gun at the heating temperature of 200-500 ℃.
3. The copper alloy cladding method according to claim 1, wherein: at least one of Nb (2.5% -3.7%), W (15.5% -17%) and Cu (16.87%) can also be added into the alloy powder for laser cladding.
4. The copper alloy cladding method according to claim 1, wherein: and in the step C, argon is used as a protective gas.
5. The copper alloy cladding method according to claim 1, wherein: in the C, the laser power of the laser is 3700W, the scanning speed is 6mm/s, the powder feeding rotating speed of the powder feeder is (0.5-1.5) r/min, and the flow rate of the powder feeding gas is 7.6L/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110740797.9A CN113463091A (en) | 2021-07-01 | 2021-07-01 | Copper alloy cladding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110740797.9A CN113463091A (en) | 2021-07-01 | 2021-07-01 | Copper alloy cladding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113463091A true CN113463091A (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110740797.9A Pending CN113463091A (en) | 2021-07-01 | 2021-07-01 | Copper alloy cladding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113463091A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328430A (en) * | 2014-10-10 | 2015-02-04 | 北京工业大学 | Anticorrosion CuAlFeNi laser cladding coating layer material and preparation method thereof |
| CN105506620A (en) * | 2015-12-31 | 2016-04-20 | 安徽昱工机电科技有限公司 | Synchronous laser cladding method of copper-base-surface composite nickel-base alloy |
| CN107868955A (en) * | 2016-09-27 | 2018-04-03 | 上海宝钢工业技术服务有限公司 | Cu crystallizer surface laser strengthened coat preparation method |
| CN112281153A (en) * | 2020-07-21 | 2021-01-29 | 安徽马钢表面技术股份有限公司 | Nickel-based alloy powder for high-speed laser cladding and cladding method thereof |
| CN112430811A (en) * | 2020-11-23 | 2021-03-02 | 浙江大学 | Method for laser cladding of copper alloy powder on surface of copper matrix |
-
2021
- 2021-07-01 CN CN202110740797.9A patent/CN113463091A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328430A (en) * | 2014-10-10 | 2015-02-04 | 北京工业大学 | Anticorrosion CuAlFeNi laser cladding coating layer material and preparation method thereof |
| CN105506620A (en) * | 2015-12-31 | 2016-04-20 | 安徽昱工机电科技有限公司 | Synchronous laser cladding method of copper-base-surface composite nickel-base alloy |
| CN107868955A (en) * | 2016-09-27 | 2018-04-03 | 上海宝钢工业技术服务有限公司 | Cu crystallizer surface laser strengthened coat preparation method |
| CN112281153A (en) * | 2020-07-21 | 2021-01-29 | 安徽马钢表面技术股份有限公司 | Nickel-based alloy powder for high-speed laser cladding and cladding method thereof |
| CN112430811A (en) * | 2020-11-23 | 2021-03-02 | 浙江大学 | Method for laser cladding of copper alloy powder on surface of copper matrix |
Non-Patent Citations (1)
| Title |
|---|
| 肖海兵 等: "《等离子束表面冶金强化硬面材料设计、制备及性能》", vol. 1, 武汉：华中科技大学出版社, pages: 118 * |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211001 |
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| RJ01 | Rejection of invention patent application after publication |