CN106929778A - Nanolizing method for metal material surface based on supersonic microparticle bombardment and Hao Ke energy - Google Patents
Nanolizing method for metal material surface based on supersonic microparticle bombardment and Hao Ke energy Download PDFInfo
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- CN106929778A CN106929778A CN201710122082.0A CN201710122082A CN106929778A CN 106929778 A CN106929778 A CN 106929778A CN 201710122082 A CN201710122082 A CN 201710122082A CN 106929778 A CN106929778 A CN 106929778A
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- metal material
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
- C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
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- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Physical Vapour Deposition (AREA)
Abstract
The invention provides a kind of Nanolizing method for metal material surface based on supersonic microparticle bombardment and Hao Ke energy, metal material sample surfaces are ground, are polished；Then supersonic microparticle bombardment Surface Nanocrystalline is carried out, the nanometer layer that a layer thickness is not less than 50 μm is formed in substrate surface to be welded, the average-size of nano surface crystal grain is not more than 50nm, and surface roughness is more than 3 μm, and surface microhardness is more than 250HV；Metal material sample surfaces are processed using person of outstanding talent gram energy technology, material surface roughness is reduced to 0.01~0.2 μm, surface microhardness is more than 300HV.The present invention can greatly improve the metal material surface roughness after making Nano surface.
Description
Technical field
The present invention relates to a kind of preparation method of making Nano surface of metal material, strengthen and change for metal material surface
Property.
Background technology
Metal material under arms during may for a long time be connect with the corrosive oxidant of band, reducing agent under high humidity environment
Touch, because corrosion is usually that since the surface of material, the decay resistance for improving material by surface treatment is brand-new than researching and developing
Material more has cost and jump.Making Nano surface technology as surface peening a kind of means, can be in material surface shape
Into nanometer layer, its advantage is essentially consisted in and does not change the appearance and size of material, simple for process, with low cost and without being made at present
The problem of environmental pollution of anodic process.Current making Nano surface research most common method is surface mechanical attrition method,
Its processing procedure is that a large amount of cannonballs are placed in a vacuum tank for " u "-shaped, and sample is fixed on the top of container, bottom
It is connected with vibration generating arrangement, shown in such as Fig. 1 (a).During work, bullet is from all directions randomly with larger energy and sample
Collision, makes the surface of material that nanosizing is realized by intense plastic strain, and material surface forms nanostructured layers, with away from table
The identity distance strain of material and strain rate away from more reduce along gradient, shown in such as Fig. 1 (b)；But the method is needed in vacuum environment,
The size of container also limit the method and be only applicable to laboratory research, be not suitable for carrying out at surface large-sized metal parts
Reason, additionally, product surface roughness is very big, further limit its further applying industrially.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention provides one kind can skill based on supersonic fine particles bombarding and Hao Ke
The Nanolizing method for metal material surface that art is combined, the metal material surface that can be greatly improved after making Nano surface is coarse
Degree.
The technical solution adopted for the present invention to solve the technical problems is comprised the following steps：
Metal material sample surfaces are ground, are polished；Then supersonic microparticle bombardment Surface Nanocrystalline is carried out,
The nanometer layer that a layer thickness is not less than 50 μm is formed in substrate surface to be welded, the average-size of nano surface crystal grain is not more than
50nm, surface roughness is more than 3 μm, and surface microhardness is more than 250HV；Using person of outstanding talent gram energy technology to metal material sample surfaces
Processed, material surface roughness is reduced to 0.01~0.2 μm, surface microhardness is more than 300HV.
The bullet material of described supersonic microparticle bombardment Surface Nanocrystalline is stainless steel S110, SiO2, BN or WC,
A diameter of 0.05~the 0.5mm of bullet, jet angle be 60 °~90 °, operating air pressure be 0.1~0.53MPa, airflow rate be 340~
1200m/s, jet length is 10~300mm, and injecting time is 0.1~300min.
The vibration frequency of the machining tool head of the person of outstanding talent gram energy technology is 10~40KHz, and amplitude is 5~30 μm, along transverse axis
Translational speed is 5~30mm/min, and it is 10~200mm/min to be moved along the longitudinal speed.
The beneficial effects of the invention are as follows：The very big problem of surface roughness after making Nano surface of metal material can be improved,
It is adapted to carry out surface Hardening Treatment to large-sized metal parts, has further promoted the industrial applications of making Nano surface.Tool
Body advantage is as follows：
1st, metal material surface nanometer layer is thick, and surface is smooth, flawless, and surface roughness is very small, the mechanicalness of material
Can (such as：Surface microhardness, mechanical property, fatigue performance, anti-wear performance, decay resistance) it is improved significantly, metal
Material surface residual stress increases and is evenly distributed；
2nd, it is simple for process, with low cost, the problem of environmental pollution without the anodic process for being used at present, operation letter
Single, power consumption is few, and the repeat usage of pill is high, and person of outstanding talent gram energy cutter changing is simple；
3rd, it is applied widely, present invention may apply to various metal materials, be widely used in lathe, instrument, ship, fly
The fields such as machine, aerospace material, mining equiment, chemical industry.
Brief description of the drawings
Fig. 1 is surface mechanical attrition method schematic diagram, wherein, (a) is surface mechanical attrition subtraction unit schematic diagram, and (b) is material
The gradient nano structure sheaf Tissue distribution schematic diagram of material；
Fig. 2 is supersonic microparticle bombardment method schematic diagram；
Fig. 3 is that person of outstanding talent gram can technology schematic diagram；
Fig. 4 is the OM pictures of 2A14 aluminium alloy microsturctures；
Fig. 5 is the OM pictures of 2A14 aluminium alloy cross-sectional morphologies after being processed through supersonic microparticle bombardment；
Fig. 6 is the OM pictures of the 2A14 aluminium alloy cross-sectional morphologies after person of outstanding talent gram energy technical finesse；
Fig. 7 be before and after Surface Nanocrystalline 2A14 aluminium alloys microhardness along gradient change schematic diagram；
Fig. 8 is the TEM pictures in top layer section after 2A14 aluminium alloys are processed through supersonic fine particles bombarding, wherein, (a) is bright
As and accordingly choose electron diffraction pattern, (b) is dark field image；
Fig. 9 is the TEM pictures in 2A14 aluminium alloys top layer section after person of outstanding talent gram energy technical finesse, wherein, (a) is bright field image and phase
Electron diffraction pattern should be chosen, (b) is dark field image；
Figure 10 is the TEM pictures in top layer section after 2A14 aluminium alloys are processed through supersonic fine particles bombarding, wherein, (a) is
Bright field image and electron diffraction pattern is accordingly chosen, (b) is dark field image；
Figure 11 be 2A14 aluminium alloys through person of outstanding talent gram can after technical finesse top layer section TEM pictures, wherein, (a) be bright field image and
Corresponding to choose electron diffraction pattern, (b) is dark field image；
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples, and the present invention includes but are not limited to following implementations
Example.
The invention belongs to making Nano surface of metal material field, specifically based on supersonic fine particles bombarding and Hao Ke
The Nanolizing method for metal material surface of energy technology.The present invention carries hard using the gases at high pressure that gases at high pressure generating means is produced
Matter spheric granules continuously bombards metal material surface with the speed of 340~1200m/s, its surface is formed certain thickness nanometer
Layer, in order that metal material surface roughness is greatly reduced to meet demand of industrial production, is then carried out using person of outstanding talent gram energy technology
Treatment, by changed by electric energy, high frequency, high-energy-density, amplitude very little ultrasonic wave energy and the recombination energy of impact energy, act on
Metal parts surface carries out grinding, reinforcing and the miniature deformation treatment of abrasive-free, while reserved materials surface nanometer layer
Material surface is set to reach minute surface level.The present invention is applied widely, and device is simple to operation, low cost, production efficiency are high, without dirt
Complex-shaped or big flat work pieces can be carried out Surface Nanocrystalline by dye, and surface roughness meets demand of industrial production.
Metal material sample surfaces are carried out conventional grinding, polishing by the present invention first with metal material as object.Adopt
Supersonic microparticle bombardment nano surface is carried out to metal material with 1433/8558Progressive (DT1480) numerical control compressed air shotblasting machines
Change is processed, and major parameter is：Bullet material is stainless steel S110, SiO2, BN, WC, bullet diameter 0.05-0.5mm, jet angle
60 ° -90 °, operating air pressure 0.1-0.53MPa, airflow rate 340-1200m/s, jet length 10-300mm, injecting time 0.1-
300min.After having processed, material surface forms one layer of nanometer layer for being not less than 50 μ m-thicks, and the average-size of nano surface crystal grain is not
More than 50nm, surface roughness is more than 3 μm, and surface microhardness is more than 250HV.
After having been processed making Nano surface of metal material using supersonic fine particles bombarding, can equipment using person of outstanding talent gram
HKUSM30S proceeds treatment to material surface, and the vibration frequency of machining tool head is 10-40KHz, and amplitude is 5-30 μm, edge
Transverse axis translational speed is 5-30mm/min, and it is 10-200mm/min to be moved along the longitudinal speed.Finally subtract material surface roughness
Small is 0.01-0.2 μm, and surface microhardness is more than 300HV.
Embodiment 1：
The present invention is process object with 2A14 aluminium alloys, and 2A14 is Al-Mg-Si-Cu systems alloy, processes 500mm × 500mm
Sample surfaces are carried out conventional grinding, polishing by the aluminium alloy plate of × 5mm.Using 1433/8558Progressive
(DT1480) numerical control compressed air shotblasting machine carries out supersonic microparticle bombardment surface treatment to aluminium alloy, and major parameter is：Bullet material is not for
Rust steel S110, bullet diameter 0.3mm, 90 ° of jet angle, operating air pressure 0.53MPa, airflow rate 1200m/s, jet length
130mm, injecting time 10min.After having processed, material surface forms one layer of nanometer layer of about 50 μ m-thicks, and surface microstructure is by matrix
30 μm (such as Fig. 4) be reduced to the 30nm of nanometer layer crystal grain, the TEM bright field images of surface nanometer layer crystal grain and corresponding electronics of choosing spread out
Style, dark field image such as Fig. 8 are penetrated, surface roughness is 5.292 μm (such as Fig. 5), and surface microhardness is 332HV (such as Fig. 7).
After having been processed 2A14 aluminum alloy surface nanosizings using supersonic fine particles bombarding, can equipment using person of outstanding talent gram
HKUSM30S proceeds treatment to material surface, and the vibration frequency of machining tool head is 30KHz, and amplitude is 10 μm, along transverse axis
Translational speed is 20mm/min, and it is 100mm/min to be moved along the longitudinal speed.Finally material surface roughness is set to be reduced to 0.153 μ
M (such as Fig. 6), surface microhardness is 338HV (such as Fig. 7), and the TEM bright field images of surface nanometer layer crystal grain and corresponding electronics of choosing spread out
Penetrate style, dark field image such as Fig. 9.
Embodiment 2：
With the difference of case 1：
Supersonic microparticle bombardment is carried out to aluminium alloy using 1433/8558Progressive (DT1480) numerical control compressed air shotblasting machines
It is surface-treated, major parameter is：Bullet material is WC, bullet diameter 0.5mm, operating air pressure 0.4MPa, injecting time 20min.
After having processed, material surface forms one layer of nanometer layer of about 50 μ m-thicks, and surface nanometer layer average grain size is 50nm, its TEM
Bright field image and accordingly selection electron diffraction pattern, dark field image such as Figure 10, surface roughness is 6.879 μm.
After having been processed 2A14 aluminum alloy surface nanosizings using supersonic fine particles bombarding, can equipment using person of outstanding talent gram
HKUSM30S proceeds treatment to material surface, and the vibration frequency of machining tool head is 20KHz, and amplitude is 15 μm, along transverse axis
Translational speed is 15mm/min, and it is 80mm/min to be moved along the longitudinal speed.Finally material surface roughness is set to be reduced to 0.267 μ
M, accordingly the TEM bright field images of surface nanometer layer crystal grain and selection electron diffraction pattern, dark field image such as Figure 11.
Claims (3)
1. it is a kind of based on supersonic microparticle bombardment and Hao Ke can Nanolizing method for metal material surface, it is characterised in that including under
State step：Metal material sample surfaces are ground, are polished；Then supersonic microparticle bombardment Surface Nanocrystalline is carried out,
The nanometer layer that a layer thickness is not less than 50 μm is formed in substrate surface to be welded, the average-size of nano surface crystal grain is not more than
50nm, surface roughness is more than 3 μm, and surface microhardness is more than 250HV；Using person of outstanding talent gram energy technology to metal material sample surfaces
Processed, material surface roughness is reduced to 0.01~0.2 μm, surface microhardness is more than 300HV.
2. it is according to claim 1 based on supersonic microparticle bombardment and Hao Ke can Nanolizing method for metal material surface,
It is characterized in that：The bullet material of described supersonic microparticle bombardment Surface Nanocrystalline is stainless steel S110, SiO2, BN or
WC, a diameter of 0.05~0.5mm of bullet, jet angle are 60 °~90 °, and operating air pressure is 0.1~0.53MPa, and airflow rate is
340~1200m/s, jet length is 10~300mm, and injecting time is 0.1~300min.
3. it is according to claim 1 based on supersonic microparticle bombardment and Hao Ke can Nanolizing method for metal material surface,
It is characterized in that：The vibration frequency of the machining tool head of the person of outstanding talent gram energy technology is 10~40KHz, and amplitude is 5~30 μm, along horizontal stroke
Axle translational speed is 5~30mm/min, and it is 10~200mm/min to be moved along the longitudinal speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710122082.0A CN106929778A (en) | 2017-03-03 | 2017-03-03 | Nanolizing method for metal material surface based on supersonic microparticle bombardment and Hao Ke energy |
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|---|---|---|---|
| CN201710122082.0A CN106929778A (en) | 2017-03-03 | 2017-03-03 | Nanolizing method for metal material surface based on supersonic microparticle bombardment and Hao Ke energy |
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| CN106929778A true CN106929778A (en) | 2017-07-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318115A (en) * | 2018-11-19 | 2019-02-12 | 太原洛伯特科技有限公司 | A kind of makeup of metal-surface nano is set |
| CN110136949A (en) * | 2019-04-23 | 2019-08-16 | 江西理工大学 | A kind of corrosion-resistant Sintered NdFeB magnet surface treatment method |
| CN111647767A (en) * | 2020-06-29 | 2020-09-11 | 西安斯瑞先进铜合金科技有限公司 | Method for preparing CuTi25 intermediate alloy by using magnetic suspension smelting process |
| CN111763847A (en) * | 2020-06-29 | 2020-10-13 | 西安斯瑞先进铜合金科技有限公司 | Method for preparing copper-titanium 50 intermediate alloy by using magnetic suspension smelting process |
| CN115094358A (en) * | 2022-06-30 | 2022-09-23 | 国网河南省电力公司电力科学研究院 | Electrical contact material surface nanocrystallization method and device |
-
2017
- 2017-03-03 CN CN201710122082.0A patent/CN106929778A/en active Pending
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| 杨建海 等: ""2A14铝合金混合表面纳米化对电化学腐蚀行为的影响"", 《金属学报》 * |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318115A (en) * | 2018-11-19 | 2019-02-12 | 太原洛伯特科技有限公司 | A kind of makeup of metal-surface nano is set |
| CN110136949A (en) * | 2019-04-23 | 2019-08-16 | 江西理工大学 | A kind of corrosion-resistant Sintered NdFeB magnet surface treatment method |
| CN110136949B (en) * | 2019-04-23 | 2022-03-25 | 江西理工大学 | Surface treatment method for corrosion-resistant sintered neodymium-iron-boron magnet |
| CN111647767A (en) * | 2020-06-29 | 2020-09-11 | 西安斯瑞先进铜合金科技有限公司 | Method for preparing CuTi25 intermediate alloy by using magnetic suspension smelting process |
| CN111763847A (en) * | 2020-06-29 | 2020-10-13 | 西安斯瑞先进铜合金科技有限公司 | Method for preparing copper-titanium 50 intermediate alloy by using magnetic suspension smelting process |
| CN111763847B (en) * | 2020-06-29 | 2021-07-06 | 西安斯瑞先进铜合金科技有限公司 | Method for preparing copper-titanium 50 intermediate alloy by using magnetic suspension smelting process |
| CN111647767B (en) * | 2020-06-29 | 2021-07-20 | 西安斯瑞先进铜合金科技有限公司 | Method for preparing CuTi25 intermediate alloy by using magnetic suspension smelting process |
| CN115094358A (en) * | 2022-06-30 | 2022-09-23 | 国网河南省电力公司电力科学研究院 | Electrical contact material surface nanocrystallization method and device |
| CN115094358B (en) * | 2022-06-30 | 2023-06-09 | 国网河南省电力公司电力科学研究院 | Surface nanocrystallization method and device for electrical contact material |
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Application publication date: 20170707 |