CN106636761B - A kind of wear-resistant mixing head laser cladding alloyed powder - Google Patents
A kind of wear-resistant mixing head laser cladding alloyed powder Download PDFInfo
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- CN106636761B CN106636761B CN201611219693.9A CN201611219693A CN106636761B CN 106636761 B CN106636761 B CN 106636761B CN 201611219693 A CN201611219693 A CN 201611219693A CN 106636761 B CN106636761 B CN 106636761B
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- 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
- C22C19/07—Alloys based on nickel or cobalt based on cobalt
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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
- 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
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- Mechanical Engineering (AREA)
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Abstract
The present invention relates to agitating friction welding technique fields, disclose a kind of wear-resistant mixing head laser cladding alloyed powder.Alloyed powder comprises the following raw materials by weight percent：1~5wt%Ni, 1~8wt%V, 1~6wt%Cr, 1~5wt%Mo, 0.75~1.5wt%Si, 0.01~0.5wt%B, 0.1~1.0wt%Sr, 0.1~3wt%In, 0.05~0.5wt%Er, 0.1~0.6wt%C, surplus Co.After the alloyed powder of the present invention is surface-treated the mixing needle of agitating friction bonding machine stirring-head, the abrasion resistance properties of mixing needle at a room temperature and a high temperature can be significantly improved, so as to extend the service life of stirring-head, enterprises production efficiency is improved, reduces enterprise's production cost.
Description
Technical field
The present invention relates to agitating friction welding technique field more particularly to a kind of wear-resistant mixing head laser cladding alloys
Powder.
Background technology
Stirring-head is the key that agitating friction welding technology, is known as the heart of agitating friction weldering.The quality of stirring-head is not only
It determines the performance of friction stir welding, and decides the production cost of agitating friction weldering.Stirring-head is by the shaft shoulder, clamping part
Divide and mixing needle forms.During agitating friction weldering, mixing needle will be rotating at the combination interface for being inserted into materials to be welded, and
Advance under certain speed along weld seam.Therefore, in agitating friction weldering, the working environment of mixing needle is more severe, to wear resistance
Can, especially high-temperature wearable damage performance requirement is high.
Surface treatment is the effective way for the wear-resisting damage tolerant performance of mixing needle for improving stirring-head.
Chinese invention patent application No. is CN201510485188.8 discloses a kind of raising copper alloy surface performance
Method and apparatus, essence are exactly first to carry out heating in vacuum to copper alloy surface, then pass through mixing yoghurt sufacing
Compressive surface is stirred to the copper alloy surface after heating, forms one layer of hardened layer to improve copper alloy surface performance, simultaneously
Stirring plus milling combined machining method are realized by special stirring-head, the processing quality on surface had not only been ensure that but also had substantially increased
Processing efficiency.Workpiece after finally surface is processed is put into grinding mechanism and carries out grinding, obtains the copper alloy compared with finishing
Surface.The stirring-head is equipped with blade, and blade face is equipped with anti-abrasive material layer, and main component is：Iron 20-30%, titanium 10-
15%, cobalt 5-10%, tungsten 40-60%, vanadium 5-10%, nickel 10-25% and trace rare-earth element 1%.
But above-mentioned anti-abrasive material layer is provided on blade, is not used to stirring for agitating friction bonding machine stirring-head
Mix wire surface processing.
Invention content
In order to solve the above technical problem, the present invention provides a kind of wear-resistant mixing head laser cladding alloyed powders.This hair
After bright alloyed powder is surface-treated the mixing needle of agitating friction bonding machine stirring-head, mixing needle can be significantly improved in room
Abrasion resistance properties under mild high temperature so as to extend the service life of stirring-head, improve enterprises production efficiency, reduce enterprise's production
Cost.
The specific technical solution of the present invention is：A kind of wear-resistant mixing head laser cladding alloyed powder, by following weight percent
The raw material composition of ratio：1~5wt%Ni, 1~8wt%V, 1~6wt%Cr, 1~5wt%Mo, 0.75~1.5wt%Si, 0.01
~0.5wt%B, 0.1~1.0wt%Sr, 0.1~3wt%In, 0.05~0.5wt%Er, 0.1~0.6wt%C, surplus are
Co。
The present invention has carried out stringent regulation and control to the content of each element in alloyed powder, the side for passing through laser cladding with the alloyed powder
After formula is surface-treated the mixing needle of stirring-head, the wear resistance of mixing needle at a room temperature and a high temperature can be significantly improved
Can, so as to extend the service life of stirring-head.Wherein, in alloyed powder：
The main function of nickel (Ni) is the cracking sensitivity for reducing surface-treatment coatings.
The main function of vanadium (V) is intensity, toughness and the abrasion resistance properties for improving surface-treatment coatings.
The main function of chromium (Cr) is to improve the intensity of surface-treatment coatings, hardness, wearability, inoxidizability and corrosion-resistant
Property.
The main function of molybdenum (Mo) is that surface-treatment coatings is made to keep enough intensity and creep resisting ability at high temperature.
The main function of silicon (Si) and boron (B) is on the one hand as deoxidier and from flux, increases wetability, on the other hand
Pass through the admittedly molten hardness and wearability strengthened with dispersion-strengtherning raising surface-treatment coatings.
The main function of strontium (Sr) is the high-temperature oxidation resistance for improving surface-treatment coatings, and the high temperature for enhancing stirring-head is resistance to
Polishing machine.
The main function of indium (In) is the toughness for improving surface-treatment coatings.
The main function of erbium (Er) is the toughness and abrasion resistance properties for improving surface-treatment coatings.
The main function of carbon (C) is the carbide for obtaining high rigidity, forms dispersion-strengtherning phase, further improves surface treatment
The abrasion resistance properties of coating.
Preferably, above-mentioned wear-resistant mixing head is comprised the following raw materials by weight percent with laser cladding alloyed powder：1.5
~4.5wt%Ni, 1.5~7.5wt%V, 1.5~5.5wt%Cr, 1.5~4.5wt%Mo, 0.8~1.35wt%Si, 0.02
It is~0.45wt%B, 0.2~0.9wt%Sr, 0.5~2.5wt%In, 0.1~0.45wt%Er, 0.15~0.55wt%C, remaining
It measures as Co.
As further preferred, above-mentioned wear-resistant mixing head is with laser cladding alloyed powder by the raw material group of following weight percent
Into：1.8~4.2wt%Ni, 1.8~7.2wt%V, 1.8~5.2wt%Cr, 1.8~4.2wt%Mo, 0.85~1.3wt%
Si, 0.05~0.4wt%B, 0.25~0.85wt%Sr, 0.55~2.2wt%In, 0.15~0.42wt%Er, 0.2~
0.5wt%C, surplus Co.
Preferably, the stirring-head being surface-treated described in the alloyed powder is by hot die steel, tungsten-rhenium alloy, high speed
Steel forms.
Preferably, the alloyed powder is surface-treated the mixing needle of stirring-head by way of laser cladding.
It is compared with the prior art, the beneficial effects of the invention are as follows：The alloyed powder of the present invention stirs agitating friction bonding machine
After the mixing needle of head is surface-treated, the abrasion resistance properties of mixing needle at a room temperature and a high temperature can be significantly improved, so as to prolong
The service life of long stirring-head improves enterprises production efficiency, reduces enterprise's production cost.
Specific embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
A kind of wear-resistant mixing head laser cladding alloyed powder, comprises the following raw materials by weight percent：3wt%Ni,
4.5wt%V, 3.5wt%Cr, 3wt%Mo, 1.1wt%Si, 0.25wt%B, 0.55wt%Sr, 1.5wt%In, 0.26wt%
Er, 0.35wt%C, surplus Co.
Embodiment 2
A kind of wear-resistant mixing head laser cladding alloyed powder, comprises the following raw materials by weight percent：1wt%Ni,
8wt%V, 1wt%Cr, 5wt%Mo, 0.75wt%Si, 0.5wt%B, 0.1wt%Sr, 3wt%In, 0.05wt%Er,
0.6wt%C, surplus Co.
Embodiment 3
A kind of wear-resistant mixing head laser cladding alloyed powder, comprises the following raw materials by weight percent：5wt%Ni,
1wt%V, 6wt%Cr, 1wt%Mo, 1.5wt%Si, 0.01wt%B, 1.0wt%Sr, 0.1wt%In, 0.5wt%Er, 0.1
~0.6wt%C, surplus Co.
Embodiment 4
A kind of wear-resistant mixing head laser cladding alloyed powder, comprises the following raw materials by weight percent：3wt%Ni,
4.5wt%V, 3.8wt%Cr, 3.0wt%Mo, 1wt%Si, 0.22wt%B, 0.45wt%Sr, 1.3wt%In, 0.28wt%
Er, 0.35wt%C, surplus Co.
Embodiment 5
A kind of wear-resistant mixing head laser cladding alloyed powder, comprises the following raw materials by weight percent：2.6wt%Ni,
3.1wt%V, 2.6wt%Cr, 2.7wt%Mo, 1.1wt%Si, 0.2wt%B, 0.4wt%Sr, 1.7wt%In, 0.25wt%
Er, 0.34wt%C, surplus Co.
Embodiment 6
A kind of wear-resistant mixing head laser cladding alloyed powder, comprises the following raw materials by weight percent：3.8wt%Ni,
4.9wt%V, 4.1wt%Cr, 2.3wt%Mo, 0.98wt%Si, 0.35wt%B, 0.55wt%Sr, 0.95wt%In,
0.35wt%Er, 0.28wt%C, surplus Co.
A kind of wear-resistant mixing head of embodiment 1-6 carries out the mixing needle of H13 steel stirring-heads with laser cladding alloyed powder
Laser cladding is surface-treated, and then carries out performance detection.Laser cladding carries out in HUST-JKR5170 type laser-processing systems,
Main technological parameter is：Spot diameter 1.5mm, gas flow 14L/min, overlapping rate 36%, laser power 2.5kW, scanning
Speed 5mm/s.The mixing needle handled respectively by the alloyed powder laser cladding of embodiment 1-6, with stirring for laser cladding before processing
Needle is mixed, carries out 25 DEG C of room temperatures and 500 DEG C of high temperature friction and wear experiments respectively on same friction wear testing machine.Fretting wear tries
The major parameter tested：Rotating speed 2000r/min, wearing- in period 15min, relative sliding velocity 90mm/min are worn, is to mill material
Mixing needle bulk material, dry grinding.It is as shown in the table for test data comparing result：
Raw materials used in the present invention, equipment is the common raw material, equipment of this field unless otherwise noted；In the present invention
Method therefor is the conventional method of this field unless otherwise noted.
The above is only presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and the equivalent transformation that technical spirit makees above example, still fall within the technology of the present invention side
The protection domain of case.
Claims (5)
1. a kind of wear-resistant mixing head laser cladding alloyed powder, it is characterised in that comprise the following raw materials by weight percent：1~
5wt%Ni, 1~8wt%V, 1~6wt%Cr, 1~5wt%Mo, 0.75~1.5wt%Si, 0.01~0.5wt%B, 0.1~
1.0wt%Sr, 0.1~3wt%In, 0.05~0.5wt%Er, 0.1~0.6wt%C, surplus Co.
2. a kind of wear-resistant mixing head laser cladding alloyed powder as described in claim 1, it is characterised in that by following weight hundred
Divide the raw material composition of ratio：1.5~4.5wt%Ni, 1.5~7.5wt%V, 1.5~5.5wt%Cr, 1.5~4.5wt%Mo, 0.8
~1.35wt%Si, 0.02~0.45wt%B, 0.2~0.9wt%Sr, 0.5~2.5wt%In, 0.1~0.45wt%Er,
0.15~0.55wt%C, surplus Co.
3. a kind of wear-resistant mixing head laser cladding alloyed powder as claimed in claim 2, it is characterised in that by following weight hundred
Divide the raw material composition of ratio：1.8~4.2wt%Ni, 1.8~7.2wt%V, 1.8~5.2wt%Cr, 1.8~4.2wt%Mo,
0.85~1.3wt%Si, 0.05~0.4wt%B, 0.25~0.85wt%Sr, 0.55~2.2wt%In, 0.15~
0.42wt%Er, 0.2~0.5wt%C, surplus Co.
4. a kind of wear-resistant mixing head laser cladding alloyed powder as described in claim 1, which is characterized in that utilize the conjunction
The stirring-head that bronze is surface-treated is made of hot die steel, tungsten-rhenium alloy, high-speed steel.
5. a kind of wear-resistant mixing head laser cladding alloyed powder as described in claim 1, which is characterized in that the alloyed powder leads to
The mode for crossing laser cladding is surface-treated the mixing needle of stirring-head.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611219693.9A CN106636761B (en) | 2016-12-26 | 2016-12-26 | A kind of wear-resistant mixing head laser cladding alloyed powder |
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| CN201611219693.9A CN106636761B (en) | 2016-12-26 | 2016-12-26 | A kind of wear-resistant mixing head laser cladding alloyed powder |
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| CN106636761B true CN106636761B (en) | 2018-06-19 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1355325A (en) * | 2000-11-24 | 2002-06-26 | 机械工业部武汉材料保护研究所 | Special powder for laser deposition |
| CN101994113A (en) * | 2009-08-24 | 2011-03-30 | 沈阳大陆激光成套设备有限公司 | Laser cladding process of wear-resistant and corrosion-resistant coating of top cover of hydraulic turbine set |
| CN102168210A (en) * | 2011-04-07 | 2011-08-31 | 杭州博华激光技术有限公司 | Laser cladding technological method and alloy material for laser cladding |
| EP2371977A1 (en) * | 2010-03-19 | 2011-10-05 | Sulzer Turbo Services Venlo B.V. | Cobalt alloy and method for its manufacture |
| CN106086871A (en) * | 2013-06-28 | 2016-11-09 | 丹阳宏图激光科技有限公司 | Improve the laser melting and coating process of the aluminum alloy surface of abrasion and corrosion resistance |
-
2016
- 2016-12-26 CN CN201611219693.9A patent/CN106636761B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1355325A (en) * | 2000-11-24 | 2002-06-26 | 机械工业部武汉材料保护研究所 | Special powder for laser deposition |
| CN101994113A (en) * | 2009-08-24 | 2011-03-30 | 沈阳大陆激光成套设备有限公司 | Laser cladding process of wear-resistant and corrosion-resistant coating of top cover of hydraulic turbine set |
| EP2371977A1 (en) * | 2010-03-19 | 2011-10-05 | Sulzer Turbo Services Venlo B.V. | Cobalt alloy and method for its manufacture |
| CN102168210A (en) * | 2011-04-07 | 2011-08-31 | 杭州博华激光技术有限公司 | Laser cladding technological method and alloy material for laser cladding |
| CN106086871A (en) * | 2013-06-28 | 2016-11-09 | 丹阳宏图激光科技有限公司 | Improve the laser melting and coating process of the aluminum alloy surface of abrasion and corrosion resistance |
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| CN106636761A (en) | 2017-05-10 |
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Address after: 400000 No.2-3, building 6, No.39 Xinggu Road, Jiulongpo District, Chongqing Patentee after: CHONGQING POTENT ELECTRICAL AND MECHANICAL Co.,Ltd. Address before: B108, incubation base, 3 / F, Wanchang international commercial city, 77-1 and 77-4, No. 17, Shiqiaopu Shiyang Road, Jiulongpo District, Chongqing Patentee before: CHONGQING POTENT ELECTRICAL AND MECHANICAL Co.,Ltd. |
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