CN109536954A - A kind of single phase solid solution Cu-9Ni-6Sn/ Fe-base surface compound material and preparation method thereof - Google Patents
A kind of single phase solid solution Cu-9Ni-6Sn/ Fe-base surface compound material and preparation method thereof Download PDFInfo
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- CN109536954A CN109536954A CN201910047601.0A CN201910047601A CN109536954A CN 109536954 A CN109536954 A CN 109536954A CN 201910047601 A CN201910047601 A CN 201910047601A CN 109536954 A CN109536954 A CN 109536954A
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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
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- 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
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Abstract
The invention discloses a kind of preparation methods of single phase solid solution Cu-9Ni-6Sn/ Fe-base surface compound material, it includes: using uniformly mixed Cu-10Sn powder, Ni powder, Cu powder as powder feeding raw material, single phase solid solution Cu-9Ni-6Sn coating is prepared in substrate material surface using laser cladding method, wherein, the weight ratio of Cu-10Sn powder, Ni powder and Cu powder is (40~60): 9:(31~51), the basis material is iron-based base material, laser technical parameters are as follows: laser power 1800W~2800W, and scanning speed is 1.5~2.5mm/s.The cohesive force of composite material and metal base surface prepared by the present invention is strong, and not easily to fall off, corrosion-proof wear is had excellent performance.Method provided by the invention is extremely significant for the surface modification effect of steel material, has widened the application field of steel.
Description
Technical field
The invention belongs to material surface engineering fields, and it is compound to be related to a kind of single phase solid solution Cu-9Ni-6Sn/ fe-based surface
Material and preparation method thereof.
Background technique
Cu-Ni-Sn alloy is a kind of not only with high-intensitive, high tenacity but also the copper alloy with good wear and corrosion resisting property
Material, intensity is suitable with high-strength steel, beryllium copper, under the corrosion resisting property and high load condition under seawater or acidity, oil and gas environments
Wear-resisting property be superior to beryllium copper, aluminium bronze.Therefore, as the alloy excellent properties are constantly realized, the alloy gradually by
To vast focus of attention.
At present for difficult point existing for Cu-Ni-Sn alloy research: although at the alloy high temperature solid solution of traditional fusion casting preparation
It manages and can get single phase solid solution α-Cu, but γ phase (the Cu, Ni) 3Sn of micron order richness Sn is precipitated unavoidably in quenching process,
Cause the alloy mechanical performance severe exacerbation and γ phase and α-Cu to form corrosion galvanic couple to cause spot corrosion, therefore, inhibits richness Sn
The precipitation of phase becomes the key that Cu-Ni-Sn alloy possesses excellent corrosive nature.
Currently, in view of the above problems, domestic and foreign scholars also expand corresponding research.Common method is to use powder metallurgy
Method and spray up moulding obtain block single phase solid solution Cu-Ni-Sn, but price is high, present situation on product size etc. be restricted and
All it is block materials, limits its practical application significantly.
In consideration of it, seeking ideal method and technique, single phase solid solution Cu-Ni-Sn alloy is prepared in metal surface, is had become
For the important subject of metal based surface composite material.
Summary of the invention
The object of the present invention is to provide a kind of single phase solid solution Cu-9Ni-6Sn/ Fe-base surface compound material, the composite woods
Material is high, not easily to fall off with basic adhesion strength, and corrosion-proof wear is excellent.
" single phase solid solution Cu-9Ni-6Sn/ Fe-base surface compound material " as described herein refers to multiple on iron-based material surface
Close single phase solid solution Cu-9Ni-6Sn coating.
In order to achieve the above object, the present invention provides a kind of single phase solid solution Cu-9Ni-6Sn/ fe-based surface composite woods
The preparation method of material, this method include: using uniformly mixed Cu-10Sn powder, Ni powder, Cu powder as powder feeding raw material, using laser
Cladding method prepares single phase solid solution Cu-9Ni-6Sn coating in substrate material surface, wherein Cu-10Sn powder, Ni powder and Cu powder
Weight ratio be (40~60): 9:(31~51), the basis material is iron-based base material, and laser technical parameters are as follows:
Laser power 1800W~2800W, scanning speed are 1.5~2.5mm/s.Laser melting and coating technique floating coat and matrix are metallurgical junctions
It closes, this combination is very secured.
Preferably, the basis material selects Q235 steel.
Preferably, the weight ratio of Cu-10Sn powder, Ni powder and Cu powder is 60:9:31.
Preferably, the partial size of Cu-10Sn powder, Ni powder and Cu powder is 20um-200um.
Preferably, the laser cladding method uses the powder feeding of synchronous powder feeding system mode.Compared to other the one of laser melting coating
Kind prefabricated coating method, is just able to achieve large-scale industrial production using laser melting coating synchronous powder feeding system technology.
Preferably, laser technical parameters are as follows: laser power 2500W, scanning speed 2.0mm/s, spot size 17mm
× 5mm, overlapping rate 29%.
The present invention also provides a kind of single phase solid solution Cu-9Ni-6Sn/ fe-based surface prepared according to above-mentioned method is multiple
Condensation material, which includes: iron-based base material, and, it is multiple on iron-based base material surface by laser melting coating
Close the single phase solid solution Cu-9Ni-6Sn coating of preparation.
Technical concept of the invention is, the characteristics of using the had cooling velocity of laser melting coating fast (up to 106 DEG C/s),
Solve the application problem of the precipitation of richness Sn phase in Cu-Ni-Sn alloy.When laser melting coating prepares metal based surface composite material
When, prefabricated painting mixed powder and the matrix surface rapid melting under laser high-energy irradiation under the effect of laser high energy beam, simultaneously because
Pool size is small and the retention time is very short, along with matrix has quick cooling capacity to molten bath, so as to cause Cu-Ni-Sn
In quick solidification, rich Sn phase has little time to be precipitated alloy.The present invention is prepared using the rapid solidification features of laser melting and coating technique
The single-phase Cu-9Ni-6Sn alloy coat that traditional preparation methods cannot be prepared, for single phase solid solution Cu-9Ni-6Sn alloy preparation and
Using opening new approach.
Compared with prior art, the beneficial effects of the present invention are:
(1) laser melting and coating technique is used, optimization laser technical parameters (mainly adjustment laser power and scanning speed are passed through
Degree), restrain the precipitation of Cu-9Ni-6Sn alloy richness Sn phase in solidification, to obtain the painting of single phase solid solution Cu-9Ni-6Sn alloy
Layer, it is strong with the cohesive force of metal base surface, it is not easily to fall off.The defects of coating and basal body interface do not find crackle,
There is peeling phenomenon without discovery in wear process.
(2) laser melting coating synchronous powder feeding system technology is used, is not limited by components shape, and can realize on-line machining and oneself
Dynamicization operation, to have practical application value.
(3) single phase solid solution Cu-9Ni-6Sn/ Fe-base surface compound material prepared by the present invention is with higher excellent
Corrosion-proof wear performance, it is extremely significant for the surface modification effect of steel material, widen the application field of steel.
(4) this preparation method is simple, technique degree of controllability is high.
Detailed description of the invention
Fig. 1 is a kind of single phase solid solution Cu- of single phase solid solution Cu-9Ni-6Sn/ Fe-base surface compound material of the invention
XRD (X-ray diffraction, X-ray diffraction) map of 9Ni-6Sn coating.
Fig. 2 is the solidified structure of laser melting coating Cu-9Ni-6Sn cladding layer of the present invention: (a) SEM of coating cross sections
(Scanning Electronic Microscopy, scanning electron microscope) as;(b) high power SEM picture;(c) TEM of coating
(Transmission electron microscope, transmission electron microscope) as;(d) in no optimization laser technical parameters
When, the SEM picture for the Cu-9Ni-6Sn cladding layer for thering is rich Sn phase to be precipitated (white particle is exactly the second phase of richness Sn phase).
Fig. 3 indicates to impregnate 30 days patterns removed after corrosion product: (a) single phase solid solution in 3.5wt.%NaCl solution
Cu-9Ni-6Sn alloy coat;(b) the Cu-9Ni-6Sn alloy coat for thering is rich Sn phase to be precipitated;(c) the business Cu-15Ni bought
Plate.
Fig. 4 indicates that polishing scratch cross section profile compares in 3.5wt.%NaCl solution: (a) single phase solid solution Cu-9Ni-6Sn is closed
Gold plating;(b) the Cu-9Ni-6Sn alloy coat for thering is rich Sn phase to be precipitated;(c) the business Cu-15Ni plate bought.Wherein, ordinate
It is Wear track depth, abscissa is wear scar width.
Specific embodiment
Below in conjunction with drawings and examples, the following further describes the technical solution of the present invention.
Embodiment
Grinding wheel polishing treatment is carried out to having a size of 150mm × 150mm × 8mm Q235 steel surface, hot blast drying is net.Then
Using laser melting coating synchronous powder feeding system technology, reaction condition: laser power 2500W, rectangular light spots size 17mm × 5mm, two
The overlapping rate of single track is 29%, scanning speed 2.0mm/s.According to the element wt of Cu-9Ni-6Sn alloy ratio, 120g is configured
Cu-Sn powder, the Ni powder of 27g and the Cu powder of 153g, the partial size of three kinds of powder is 50um-150um.Three kinds of powder are filled after mixing
Enter synchronous powder feeder, laser melting coating 20 minutes, single phase solid solution Cu-9Ni-6Sn/ Fe-base surface compound material is prepared.
Fig. 1 is the XRD spectrum of the composite coating in the present embodiment, it can be seen that either with or without the precipitation of rich Sn in coating
Phase.The result shows that the main component of coating is Cu2O (being removed when coating uses by machining) and α-Cu, it is seen that coating is single
Phase solid solution Cu-9Ni-6Sn alloy coat, Cu2O be due to coating laser melting coating high temperature coating surface in cooling procedure with
Air contacts and high-temperature oxydation generation occurs.In addition to α-Cu phase in coating, the precipitation of rich Sn phase is not found.
Due to XRD object is mutually identified it is limited, for a small amount of precipitate may map can not show, therefore coating is done
Further microscopic observation, is shown in Fig. 2.Fig. 2 shows the solidified structure of laser melting coating Cu-9Ni-6Sn cladding layer: (a) coating
The SEM picture in section;(b) high power SEM picture;(c) the TEM picture of coating;(d) Cu-9Ni-6Sn alloy coat that richness Sn phase is precipitated
SEM picture.As it is clear from fig. 2 that apparent second phase is all not observed either at SEM and tem observation, it is known that the coating is
A kind of single-phase Cu-9Ni-6Sn alloy coat.
Fig. 3 is in 3.5wt.%NaCl solution, and single phase solid solution Cu-9Ni-6Sn alloy coat ((a) in Fig. 3) has
The Cu-9Ni-6Sn alloy coat ((b) in Fig. 3) that rich Sn phase is precipitated and the business Cu-15Ni plate bought as contrast material
((c) in Fig. 3) three kinds of materials impregnate 30 days erosion profiles removed after corrosion product.As it can be seen that richness Sn phase is precipitated and is degrading Cu-
9Ni-6Sn alloy corrosive nature, at the same single phase solid solution Cu-9Ni-6Sn alloy coat corrosive nature be substantially better than it is big at present
Measure the anti-corrosion Cu-15Ni alloy used in marine industry.
Fig. 4 be in 3.5wt.%NaCl solution single phase solid solution Cu-9Ni-6Sn alloy coat ((a) in Fig. 4), have
The Cu-9Ni-6Sn alloy coat ((b) in Fig. 4) that rich Sn phase is precipitated and the business Cu-15Ni plate bought as contrast material
((c) in Fig. 4) three kinds of material polishing scratch cross section contours.Wear scar width and depth product can characterize the quality of polishing machine, multiply
Product value is bigger, and wear volume is bigger, and polishing machine is poorer.As it can be seen that richness Sn phase, which is precipitated, is degrading the abrasion of Cu-9Ni-6Sn alloy
Performance, while single phase solid solution Cu-9Ni-6Sn alloy coat polishing machine is substantially better than and largely uses at present in marine industry
Cu-15Ni alloy.
In conclusion the present invention, which prepares traditional preparation methods using the rapid solidification features of laser melting and coating technique, to be made
Standby single-phase Cu-9Ni-6Sn alloy coat, single phase solid solution Cu-9Ni-6Sn/ Fe-base surface compound material prepared by the present invention
It is extremely significant for the surface modification effect of steel material with excellent corrosion-proof wear performance.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (7)
1. a kind of preparation method of single phase solid solution Cu-9Ni-6Sn/ Fe-base surface compound material, which is characterized in that this method packet
Contain: using uniformly mixed Cu-10Sn powder, Ni powder, Cu powder as powder feeding raw material, using laser cladding method in substrate material surface
Prepare single phase solid solution Cu-9Ni-6Sn coating, wherein the weight ratio of Cu-10Sn powder, Ni powder and Cu powder is (40~60): 9:
(31~51), the basis material are iron-based base material, and laser technical parameters are as follows: laser power 1800W~2800W,
Scanning speed is 1.5~2.5mm/s.
2. the preparation method of single phase solid solution Cu-9Ni-6Sn/ Fe-base surface compound material as described in claim 1, feature
It is, the basis material selects Q235 steel.
3. the preparation method of single phase solid solution Cu-9Ni-6Sn/ Fe-base surface compound material as described in claim 1, feature
It is, the weight ratio of Cu-10Sn powder, Ni powder and Cu powder is 60:9:31.
4. the preparation method of single phase solid solution Cu-9Ni-6Sn/ Fe-base surface compound material as described in claim 1, feature
It is, the partial size of Cu-10Sn powder, Ni powder and Cu powder is 20um-200um.
5. the preparation method of single phase solid solution Cu-9Ni-6Sn/ Fe-base surface compound material as described in claim 1, feature
It is, the laser cladding method uses the powder feeding of synchronous powder feeding system mode.
6. the preparation method of single phase solid solution Cu-9Ni-6Sn/ Fe-base surface compound material as described in claim 1, feature
It is, laser technical parameters are as follows: laser power 2500W, scanning speed 2.0mm/s, spot size 17mm × 5mm, overlap joint
Rate is 29%.
7. a kind of single phase solid solution Cu-9Ni-6Sn/ of the preparation of method described in any one of -6 according to claim 1 is iron-based
Composite surface material, which is characterized in that the composite surface material includes: iron-based base material, and, by laser melting coating in iron
The single phase solid solution Cu-9Ni-6Sn coating of base material surface recombination preparation.
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108060325A (en) * | 2017-12-15 | 2018-05-22 | 中南大学 | The multistage-combination deformation heat treatment method of the strong CuNiSn series elastic copper alloys of superelevation |
CN108060326A (en) * | 2017-12-15 | 2018-05-22 | 中南大学 | A kind of superelevation is strong, low inverse segregation CuNiSn series elastic copper alloys and preparation method thereof |
CN108315734A (en) * | 2018-02-26 | 2018-07-24 | 沈阳工业大学 | A kind of process improving laser melting coating aluminium bronze gradient coating performance |
CN108315733A (en) * | 2018-02-26 | 2018-07-24 | 沈阳工业大学 | Powder and preparation method used in a kind of laser melting coating aluminium bronze gradient coating |
CN108330321A (en) * | 2018-04-17 | 2018-07-27 | 北京科技大学 | A kind of increasing material manufacturing method of easy segregation high resiliency Cu-Ni-Sn alloys |
-
2019
- 2019-01-18 CN CN201910047601.0A patent/CN109536954A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108060325A (en) * | 2017-12-15 | 2018-05-22 | 中南大学 | The multistage-combination deformation heat treatment method of the strong CuNiSn series elastic copper alloys of superelevation |
CN108060326A (en) * | 2017-12-15 | 2018-05-22 | 中南大学 | A kind of superelevation is strong, low inverse segregation CuNiSn series elastic copper alloys and preparation method thereof |
CN108315734A (en) * | 2018-02-26 | 2018-07-24 | 沈阳工业大学 | A kind of process improving laser melting coating aluminium bronze gradient coating performance |
CN108315733A (en) * | 2018-02-26 | 2018-07-24 | 沈阳工业大学 | Powder and preparation method used in a kind of laser melting coating aluminium bronze gradient coating |
CN108330321A (en) * | 2018-04-17 | 2018-07-27 | 北京科技大学 | A kind of increasing material manufacturing method of easy segregation high resiliency Cu-Ni-Sn alloys |
Non-Patent Citations (3)
Title |
---|
QIANLIN WU等: ""Corrosion behavior of laser-clad Cu-9Ni-6Sn coating"", 《SURFACE & COATINGS TECHNOLOGY》 * |
张雁等: ""激光熔覆成型用Ni- Cu- Sn 合金粉末的制备及其成形特性"", 《航空制造技术》 * |
费群星等: ""激光近净成形Ni-Cu-Sn 合金"", 《稀有金属材料与工程》 * |
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Application publication date: 20190329 |