CN107245716A - A kind of metal material surface handling process - Google Patents
A kind of metal material surface handling process Download PDFInfo
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- CN107245716A CN107245716A CN201710426993.2A CN201710426993A CN107245716A CN 107245716 A CN107245716 A CN 107245716A CN 201710426993 A CN201710426993 A CN 201710426993A CN 107245716 A CN107245716 A CN 107245716A
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- metal material
- material surface
- low power
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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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
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- 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
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
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- Mechanical Engineering (AREA)
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Abstract
The invention provides a kind of metal material surface handling process, comprise the following steps:(1)Polished metal material surface, polished, cleaned and dried pretreatment;(2)Through step(1)The metal material surface of processing carries out micro forming, processes very low power;Polyvinyl chloride microparticle powder is coated in metal material surface so that polyvinyl chloride microparticle powder is filled among very low power;Metal material surface is impacted with ultrasonic impact head;(3)To through step(2)The metal material surface of processing carries out micro forming again, processes very low power, the very low power and step(2)Stagger the position of middle very low power;Nano ceramic powder is coated in metal material surface so that nano ceramic powder is filled among very low power, laser peening processing is carried out to metal material surface;(4)To through step(3)The metal material surface of processing carries out anti-corrosion protection.The present invention improves anti-fatigue ability while material surface performance is improved, and extends the service life of material.
Description
Technical field
The present invention relates to technical field of metal material, and in particular to a kind of metal material surface handling process.
Background technology
Metal material can be acted in actual application by various load, and this long-term load effect will be led
It is caused to fail.Failure typically occurs in its surface, therefore, and surface peening is the important means for extending its service life.For
The mechanical property and decay resistance of enhancing metal material surface, in metal material surface coated polymer coating be conventional hand
One of section.Due to the significant difference that the polymer of coating and the interface performance of metal material surface are existed, machinery coating is used
Method, it is impossible to overcome the mechanical performance of faying face each several part material, abrasion resistance properties between metal material surface and coating material
The difference larger etc. there is gradient, in addition, gone back between interface existing defects, bubble, mechanical bonding force not enough etc. defect so that machinery
Although painting method processing metal material surface corrosion resisting property enhancing, it is obvious show microhardness it is low, not rub resistance grind
Damage, the defect such as interface binding power is not strong, cause service life to reduce.
The content of the invention
The purpose of the present invention is that there is provided a kind of metal material surface handling process for problem of the prior art.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of metal material surface handling process, comprises the following steps:
(1) polished metal material surface, polished, cleaned and dried pretreatment;
(2) micro forming is carried out on the metal material surface by step (1) processing, processes very low power;In metal material
Expect Surface coating polyvinyl chloride microparticle powder so that polyvinyl chloride microparticle powder is filled among very low power;With ultrasound punching
Tap the head impact metal material surface so that polyvinyl chloride microparticle powder is refined to nanometer with the metal mixed in the very low power
Change;
(3) to carrying out micro forming again on the metal material surface by step (2) processing, very low power is processed, it is described
Stagger the position of very low power and very low power in step (2);Nano ceramic powder is coated in metal material surface so that nano ceramics
Then powder filling covers 20-40um sheet metal, by absorbed layer and constraint among very low power on metal material surface
Layer is arranged on sheet metal surface;Laser peening processing is carried out to metal material surface, the composite table of nano-particle reinforcement is obtained
Face;
(4) anti-corrosion protection is carried out to the metal material surface by step (3) processing.
Further, the polyvinyl chloride microparticle powder particle diameter is 0.5-1um, and the particle diameter of the nano ceramic powder is
10-90nm。
Further, the anti-corrosion protection refers to paste corrosion-resistant gummed paper or corrosion-resisting film in metal material surface.
Further, the metal material is copper alloy, aluminium alloy or various steel.
Further, in the step (2), the mode of ultrasonic impact head constant speed solid matter processing vertically handles workpiece table
Face;The frequency of impact scope of the ultrasonic impact head is 20-50kHz, and power is 350-450W.
Further, the cross section of the very low power is rectangle, V-arrangement, U-shaped, semicircle or inverted trapezoidal;The step (2)
In, the upper width of rebate of very low power is 100-150um, and the depth of very low power is very low power in 20-30um, the step (3)
Upper width of rebate is 150-200um, and the depth of very low power is 30-50um.
Further, the nano ceramic powder is SiC, TiC, ZrN, VN, SiO2, Al2O3, ZrO2, TiB2 and ZrB2
In one or more of mixed-powders.
Further, in the step (3), absorbed layer is graphite, and restraint layer is glass.
The present invention compared with prior art, with following beneficial effect:
The present invention successively carries out ultrasonic impact, laser peening processing and anti-corrosion protection to metal material surface and handled, can
Increase surface corrosion-resistant erosion ability, insulating properties and the case hardness of metal material, reduce the surface roughness of metal material, increase gold
Belong to the wear resistance of material surface.Ultrasonic impact and laser peening processing combine the excellent of both laser peening and nano material
Gesture, forms Gao Ershen surface compress residual stresses, so as to significantly improve its surface property.Micro- ditch of surface micro-moulding formation
Groove not only acts as the effect of carrying polyvinyl chloride microparticle powder and nano-ceramic particle, and its metal material for being contacted with surface
Material is mutually connected, and plays a part of constraining fine particle, to avoid polyvinyl chloride microparticle powder and nano-ceramic particle super
Produce and come off and splash phenomena under the conditions of sonic impinging and laser peening, beneficial to polyvinyl chloride microparticle powder and nano ceramics
Grain is preferably embedded in the sheet metal on surface and in the parent metal of very low power bottom and two side, makes micro- of polyvinyl chloride
Grain powder and nano-ceramic particle are evenly distributed, and obtain thicker nano-particle reinforcement composite surface, are improving metal material
Anti-fatigue ability is improved while surface property, extends the service life of metal material.
Embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
A kind of metal material surface handling process, comprises the following steps:
(1) polished metal material surface, polished, cleaned and dried pretreatment;
(2) micro forming is carried out on the metal material surface by step (1) processing, processes very low power;In metal material
Expect Surface coating polyvinyl chloride microparticle powder so that polyvinyl chloride microparticle powder is filled among very low power;With ultrasound punching
Tap the head impact metal material surface so that polyvinyl chloride microparticle powder is refined to nanosizing with the metal mixed in very low power;
(3) to carrying out micro forming again on the metal material surface by step (2) processing, very low power, micro- ditch are processed
Stagger the position of groove and very low power in step (2);Nano ceramic powder is coated in metal material surface so that nano ceramic powder
It is filled among very low power, 20um sheet metal is then covered on metal material surface, absorbed layer and restraint layer is set
On sheet metal surface;Laser peening processing is carried out to metal material surface, the composite surface of nano-particle reinforcement is obtained;
(4) anti-corrosion protection is carried out to the metal material surface by step (3) processing.
Wherein, polyvinyl chloride microparticle powder particle diameter is 0.5um, and the particle diameter of nano ceramic powder is 10nm.
Above-mentioned anti-corrosion protection refers to paste corrosion-resistant gummed paper or corrosion-resisting film in metal material surface.
Above-mentioned metal material is copper alloy, aluminium alloy or various steel.
In above-mentioned steps (2), the mode of ultrasonic impact head constant speed solid matter processing vertically handles workpiece surface;Ultrasonic impact
The frequency of impact scope of head is 20kHz, and power is 350W.
The cross section of above-mentioned very low power is rectangle, V-arrangement, U-shaped, semicircle or inverted trapezoidal;In step (2), very low power it is upper
Width of rebate is 100um, and the depth of very low power is that the upper width of rebate of very low power in 20um, step (3) is 150um, very low power
Depth be 30um.
Above-mentioned nano ceramic powder is SiC, TiC, ZrN, VN, SiO2, Al2O3, ZrO2, TiB2 and ZrB2 mixed powder
End.
In above-mentioned steps (3), absorbed layer is graphite, and restraint layer is glass.
Embodiment 2
A kind of metal material surface handling process, comprises the following steps:
(1) polished metal material surface, polished, cleaned and dried pretreatment;
(2) micro forming is carried out on the metal material surface by step (1) processing, processes very low power;In metal material
Expect Surface coating polyvinyl chloride microparticle powder so that polyvinyl chloride microparticle powder is filled among very low power;With ultrasound punching
Tap the head impact metal material surface so that polyvinyl chloride microparticle powder is refined to nanosizing with the metal mixed in very low power;
(3) to carrying out micro forming again on the metal material surface by step (2) processing, very low power, micro- ditch are processed
Stagger the position of groove and very low power in step (2);Nano ceramic powder is coated in metal material surface so that nano ceramic powder
It is filled among very low power, 40um sheet metal is then covered on metal material surface, absorbed layer and restraint layer is set
On sheet metal surface;Laser peening processing is carried out to metal material surface, the composite surface of nano-particle reinforcement is obtained;
(4) anti-corrosion protection is carried out to the metal material surface by step (3) processing.
Wherein, polyvinyl chloride microparticle powder particle diameter is 1um, and the particle diameter of nano ceramic powder is 90nm.
Above-mentioned anti-corrosion protection refers to paste corrosion-resistant gummed paper or corrosion-resisting film in metal material surface.
Above-mentioned metal material is copper alloy, aluminium alloy or various steel.
In above-mentioned steps (2), the mode of ultrasonic impact head constant speed solid matter processing vertically handles workpiece surface;Ultrasonic impact
The frequency of impact scope of head is 50kHz, and power is 450W.
The cross section of above-mentioned very low power is rectangle, V-arrangement, U-shaped, semicircle or inverted trapezoidal;In step (2), very low power it is upper
Width of rebate is 150um, and the depth of very low power is that the upper width of rebate of very low power in 30um, step (3) is 200um, very low power
Depth be 50um.
Above-mentioned nano ceramic powder is SiC, TiC, ZrN, VN, SiO2, Al2O3, ZrO2, TiB2 and ZrB2 mixed powder
End.
In above-mentioned steps (3), absorbed layer is graphite, and restraint layer is glass.
Embodiment 3
A kind of metal material surface handling process, comprises the following steps:
(1) polished metal material surface, polished, cleaned and dried pretreatment;
(2) micro forming is carried out on the metal material surface by step (1) processing, processes very low power;In metal material
Expect Surface coating polyvinyl chloride microparticle powder so that polyvinyl chloride microparticle powder is filled among very low power;With ultrasound punching
Tap the head impact metal material surface so that polyvinyl chloride microparticle powder is refined to nanosizing with the metal mixed in very low power;
(3) to carrying out micro forming again on the metal material surface by step (2) processing, very low power, micro- ditch are processed
Stagger the position of groove and very low power in step (2);Nano ceramic powder is coated in metal material surface so that nano ceramic powder
It is filled among very low power, 30um sheet metal is then covered on metal material surface, absorbed layer and restraint layer is set
On sheet metal surface;Laser peening processing is carried out to metal material surface, the composite surface of nano-particle reinforcement is obtained;
(4) anti-corrosion protection is carried out to the metal material surface by step (3) processing.
Wherein, polyvinyl chloride microparticle powder particle diameter is 0.8um, and the particle diameter of nano ceramic powder is 45nm.
Above-mentioned anti-corrosion protection refers to paste corrosion-resistant gummed paper or corrosion-resisting film in metal material surface.
Above-mentioned metal material is copper alloy, aluminium alloy or various steel.
In above-mentioned steps (2), the mode of ultrasonic impact head constant speed solid matter processing vertically handles workpiece surface;Ultrasonic impact
The frequency of impact scope of head is 35kHz, and power is 400W.
The cross section of above-mentioned very low power is rectangle, V-arrangement, U-shaped, semicircle or inverted trapezoidal;In step (2), very low power it is upper
Width of rebate is 130um, and the depth of very low power is that the upper width of rebate of very low power in 25um, step (3) is 180um, very low power
Depth be 40um.
Above-mentioned nano ceramic powder is SiC, TiC, ZrN, VN, SiO2, Al2O3, ZrO2, TiB2 and ZrB2 mixed powder
End.
In above-mentioned steps (3), absorbed layer is graphite, and restraint layer is glass.
Embodiment 4
The test button for the process of surface treatment processing that the present invention that learns from else's experience is provided is tested, and the specification of the test button is
80mm × 100mm × 4mm, the sample is laterally cut, spray test is carried out, as a result as shown in table 1:
Table 1
Metal material surface micro-hardness experiments result is as shown in table 2:
Experimental subjects | Micro Vickers hardness value HV50g |
The metal material sample handled through embodiment 1 | 1101 |
The metal material sample handled through embodiment 2 | 1120 |
The metal material sample handled through embodiment 3 | 1126 |
The metal material sample of general surface processing method processing | 280 |
Table 2
Find in the detection, the corrosion resistance of the metal material surface handled using present invention process and other machineries
Performance has good performance.
The present invention successively carries out ultrasonic impact, laser peening processing and anti-corrosion protection to metal material surface and handled, can
Increase surface corrosion-resistant erosion ability, insulating properties and the case hardness of metal material, reduce the surface roughness of metal material, increase gold
Belong to the wear resistance of material surface.Ultrasonic impact and laser peening processing combine the excellent of both laser peening and nano material
Gesture, forms Gao Ershen surface compress residual stresses, so as to significantly improve its surface property.Micro- ditch of surface micro-moulding formation
Groove not only acts as the effect of carrying polyvinyl chloride microparticle powder and nano-ceramic particle, and its metal material for being contacted with surface
Material is mutually connected, and plays a part of constraining fine particle, to avoid polyvinyl chloride microparticle powder and nano-ceramic particle super
Produce and come off and splash phenomena under the conditions of sonic impinging and laser peening, beneficial to polyvinyl chloride microparticle powder and nano ceramics
Grain is preferably embedded in the sheet metal on surface and in the parent metal of very low power bottom and two side, makes micro- of polyvinyl chloride
Grain powder and nano-ceramic particle are evenly distributed, and obtain micro- ditch in thicker nano-particle reinforcement composite surface, step (3)
Groove size is more than the very low power size of step (2), nano-ceramic particle is more broadly diffused into metal material top layer.Carrying
Anti-fatigue ability is improved while highly metallic material surface property, extends the service life of metal material.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, although with reference to the foregoing embodiments
The present invention is described in detail, for those skilled in the art, it still can be to foregoing embodiments institute
The technical scheme of record is modified, or carries out equivalent substitution to which part technical characteristic.It is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of metal material surface handling process, it is characterised in that the technique comprises the following steps:
(1)Polished metal material surface, polished, cleaned and dried pretreatment;
(2)Passing through step(1)Micro forming is carried out on the metal material surface of processing, very low power is processed;In metal material table
Bread covers polyvinyl chloride microparticle powder so that polyvinyl chloride microparticle powder is filled among very low power;Use ultrasonic impact head
Impact metal material surface so that polyvinyl chloride microparticle powder is refined to nanosizing with the metal mixed in the very low power;
(3)To passing through step(2)Micro forming is carried out on the metal material surface of processing again, very low power, micro- ditch is processed
Groove and step(2)Stagger the position of middle very low power;Nano ceramic powder is coated in metal material surface so that nano ceramic powder
It is filled among very low power, 20-40um sheet metal is then covered on metal material surface, absorbed layer and restraint layer are set
Put on sheet metal surface;Laser peening processing is carried out to metal material surface, the composite surface of nano-particle reinforcement is obtained;
(4)To passing through step(3)The metal material surface of processing carries out anti-corrosion protection.
2. a kind of metal material surface handling process according to claim 1, it is characterised in that micro- of the polyvinyl chloride
Grain powder diameter is 0.5-1um, and the particle diameter of the nano ceramic powder is 10-90nm.
3. a kind of metal material surface handling process according to claim 1, it is characterised in that the anti-corrosion protection refers to
Corrosion-resistant gummed paper or corrosion-resisting film are pasted in metal material surface.
4. a kind of metal material surface handling process according to claim 1, it is characterised in that the metal material is copper
Alloy, aluminium alloy or various steel.
5. a kind of metal material surface handling process according to claim 1, it is characterised in that the step(2)In, surpass
The mode of acoustic shock head constant speed solid matter processing vertically handles workpiece surface;The frequency of impact scope of the ultrasonic impact head is
20-50kHz, power is 350-450W.
6. a kind of metal material surface handling process according to claim 1, it is characterised in that the very low power it is transversal
Face is rectangle, V-arrangement, U-shaped, semicircle or inverted trapezoidal;The step(2)In, the upper width of rebate of very low power is 100-150um,
The depth of very low power is 20-30um, the step(3)The upper width of rebate of middle very low power is 150-200um, the depth of very low power
For 30-50um.
7. a kind of metal material surface handling process according to claim 1, it is characterised in that the nano ceramic powder
For one or more of mixed-powders in SiC, TiC, ZrN, VN, SiO2, Al2O3, ZrO2, TiB2 and ZrB2.
8. a kind of metal material surface handling process according to claim 1, it is characterised in that the step(3)In, inhale
Receipts layer is graphite, and restraint layer is glass.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108878920A (en) * | 2018-06-11 | 2018-11-23 | 北京氢璞创能科技有限公司 | The method of fuel cell unipolar plate surface treatment |
CN112539604A (en) * | 2020-11-27 | 2021-03-23 | 济南森峰科技有限公司 | Drying device for laser cladding powder |
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SU1569344A1 (en) * | 1988-05-16 | 1990-06-07 | Ростовский-На-Дону Институт Сельскохозяйственного Машиностроения | Method of machining tool steels |
CN101967538A (en) * | 2010-11-25 | 2011-02-09 | 天津大族烨峤激光技术有限公司 | Surface laser strengthening method for plunger of hydraulic support |
CN103695628A (en) * | 2013-12-11 | 2014-04-02 | 江苏大学 | Treatment method of metal material laser peening nano composite surface |
CN103849756A (en) * | 2012-12-03 | 2014-06-11 | 北京有色金属研究总院 | Metal material surface treatment method |
-
2017
- 2017-06-08 CN CN201710426993.2A patent/CN107245716A/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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SU1569344A1 (en) * | 1988-05-16 | 1990-06-07 | Ростовский-На-Дону Институт Сельскохозяйственного Машиностроения | Method of machining tool steels |
CN101967538A (en) * | 2010-11-25 | 2011-02-09 | 天津大族烨峤激光技术有限公司 | Surface laser strengthening method for plunger of hydraulic support |
CN103849756A (en) * | 2012-12-03 | 2014-06-11 | 北京有色金属研究总院 | Metal material surface treatment method |
CN103695628A (en) * | 2013-12-11 | 2014-04-02 | 江苏大学 | Treatment method of metal material laser peening nano composite surface |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108878920A (en) * | 2018-06-11 | 2018-11-23 | 北京氢璞创能科技有限公司 | The method of fuel cell unipolar plate surface treatment |
CN112539604A (en) * | 2020-11-27 | 2021-03-23 | 济南森峰科技有限公司 | Drying device for laser cladding powder |
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