CN106222650A - The surface reinforcing method of laser-impact graphite oxide ene coatings - Google Patents
The surface reinforcing method of laser-impact graphite oxide ene coatings Download PDFInfo
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- CN106222650A CN106222650A CN201610607738.3A CN201610607738A CN106222650A CN 106222650 A CN106222650 A CN 106222650A CN 201610607738 A CN201610607738 A CN 201610607738A CN 106222650 A CN106222650 A CN 106222650A
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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
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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
- C23C24/082—Coating starting from inorganic powder by application of heat or pressure and heat without intermediate formation of a liquid in the layer
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Abstract
The invention discloses the surface reinforcing method of a kind of laser-impact graphite oxide ene coatings, comprise the following steps: Graphene, graphene oxide or both mixture solutions are applied to need the material matrix surface of strengthening, form coating；Coating arranges aluminium foil as absorbed layer；Absorbed layer arranges optical glass or silica gel as restraint layer；With pulse laser, absorbed layer is carried out laser-impact scanning, laser is irradiated on absorbed layer through restraint layer, absorbed layer absorption laser energy gasifies rapidly and concurrently forms substantial amounts of High Temperature High Pressure plasma, plasma rapid expanding forms the shock wave of high intensity, shock wave is in coating, partial coating is pressed into material matrix top layer by shock wave, and partial coating closely acts on and fits to material matrix top layer；Material matrix after laser-impact is naturally cooled to room temperature, removes the residue in material matrix, obtain the material matrix that surface peening is good.
Description
Technical field
The present invention relates to surface strengthening technology field, the surface particularly relating to a kind of laser-impact graphite oxide ene coatings is strong
Change method.
Background technology
The two dimensional crystal of only one layer of atomic thickness that Graphene (Graphene) is made up of carbon atom.2004, English
University of Manchester of state physicist An Deliegaimu and Constantine's Nuo Woxiao love, stone is isolated in success from graphite
Ink alkene, it was demonstrated that it can be with individualism, and two people obtain Nobel Prize in physics in 2010 the most jointly.
Before at the end of 2015, boron alkene finds, Graphene is the thinnest material, is also the most tough material, fracture strength
More taller than best steel 200 times.It has again good elasticity simultaneously, and stretch range can reach the 20% of own dimensions.It
It is the material that current nature is the thinnest, intensity is the highest, if making hammock, this heavy sensation of the body with the Graphene of one piece of area 1 square metre
Amount just can bear the cat of a kilogram less than 1 milligram.
On the surface that kinematic pair and abrasion are the most violent, being used alone Graphene coat has a lot of disadvantage.Such as
Adhesion is weak, and coating maintains integrity more difficulty etc..Therefore people are considered as the way of fore-put powder laser cladding by stone
Ink alkene adds in the skin-material of part, is prepared for graphene composite material deposition coating.But laser melts in some cases
Apply, due to reasons such as heat affecting is relatively big, deposition rough surface inapplicable.
Surface strengthening technology is the most significant in each field, and it can improve machine components and component surface performance,
It can improve fatigue strength and anti-wear performance, and surface peening can also improve decay resistance sometimes.
The piece surface bearing load is often in maximum stress state, and works in different media environments.Therefore, zero
Inefficacy and the destruction of part also mostly occur in surface or from the beginning of surface, as introduced certain residual compressive stress on part top layer,
Case hardness can be increased by surface strengthening technology, improve mantle micro structure etc., just can significantly increase the fatigue of part
Intensity and wearability.
Conventional surface strengthening technology has Surface heat-treatent, chemical surface treatment and surface mechanical treatment, surface mechanical treatment
Mainly there are shot-peening and two kinds of methods of rolling.But these conventional surface strengthening treatment technology technics comparing are complicated, and efficiency is low, strengthening
Effect is general.
Laser-impact, as advanced surface strengthening technology, is applied increasingly extensive, and reiforcing laser impact technology is to utilize by force
The plasma shock wave that laser beam produces, improves the resisting fatigue of metal material, wear-resistant and resistance to corrosion the high-new skill of one
Art.It has the outstanding advantages such as noncontact, and strengthening effect strong without heat affected area, controllability be notable.
Because above-mentioned defect, the design people, the most in addition research and innovation, to founding a kind of laser-impact oxidation stone
The surface reinforcing method of ink ene coatings so that it is have more the value in industry.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide the surface of a kind of laser-impact graphite oxide ene coatings
Intensifying method, the method technique is simple, easy to operate, and strengthening efficiency is high, strengthens effective.
The surface reinforcing method of a kind of laser-impact graphite oxide ene coatings that the present invention proposes, it is characterised in that: include
Following steps:
Step (1): Graphene, graphene oxide or both mixture solutions are applied to need the material matrix of strengthening
Surface, forms coating；
Step (2): aluminium foil is set in coating as absorbed layer；
Step (3): optical glass or silica gel are set on absorbed layer as restraint layer；
Step (4): with pulse laser, coating being carried out laser-impact scanning, laser impact intensified principle is: use pulse
Laser carries out laser-impact scanning to absorbed layer, and laser is irradiated on absorbed layer through restraint layer, and absorbed layer absorbs laser energy
Gasification concurrently forms substantial amounts of High Temperature High Pressure plasma rapidly, and plasma rapid expanding forms the shock wave of high intensity, punching
Hitting ripple and act on coating, partial coating is pressed into material matrix top layer by shock wave, and partial coating closely acts on and fits to material
Material matrix skin, plays invigoration effect to material matrix surface；
Step (5): the material matrix after laser-impact is naturally cooled to room temperature, then removes residual in material matrix
Restraint layer and absorbed layer, obtain the material matrix that surface peening is good.
As the further improvement of the inventive method, the thickness of the coating described in step (1) is 20-60 micron.
As the further improvement of the inventive method, the absorbed layer described in step (2) is aluminium foil, and thickness is 80 to 300
Micron.
As the further improvement of the inventive method, the restraint layer described in step (3) is optical glass, and thickness is 1.6
To 5.0 millimeters.
As the further improvement of the inventive method, described optical glass is K7 optical glass or K9 optical glass.
As the further improvement of the inventive method, the restraint layer described in step (3) is silica gel, and thickness is 1.0 to 2.2
Millimeter.
As the further improvement of the inventive method, the speed of the laser-impact scanning described in step (4) be 0.5～
1.5mm/s, sweep span is 0.75～1.25mm.
As the further improvement of the inventive method, the laser emitter of the laser pulse described in step (4) is Nd:
YAG laser, wavelength is 1064nm, and pulsewidth is 15～20ns, and pulse energy range is 9～30J, and spot diameter is 1～3mm.
By such scheme, the present invention at least has the advantage that laser-impact inherently has extraordinary surface peening
Effect, Graphene, graphene oxide or both mixture are implanted in material surface by the inventive method by laser-impact,
Utilizing the characteristic of their own, it is possible to preferably strengthening material surface, and the course of processing is simple, efficiency is high, strengthens effective,
Corrosion-resistant, the endurance of material, the performance such as wear-resistant can be improved simultaneously.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Accompanying drawing explanation
Fig. 1 is the surface reinforcing method principle schematic of laser-impact graphite oxide ene coatings of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Hereinafter implement
Example is used for illustrating the present invention, but is not limited to the scope of the present invention.
Embodiment one: the surface reinforcing method of a kind of laser-impact graphite oxide ene coatings, comprises the following steps:
Step (1): at the 20 microns of thick graphene oxides of material matrix surface smear needing strengthening；
Step (2): one layer of 80 microns of thick aluminium foil are set on graphene oxide；
Step (3): the K7 optical glass of one layer of 1.6 millimeters thick is set on aluminium foil；
Step (4): sending wavelength with Nd:YAG laser instrument is 1064nm, and pulsewidth is 15ns, and pulse energy is 9J, and hot spot is straight
Footpath is the pulse laser of 1mm, and aluminium foil is carried out laser-impact scanning, and scanning speed is 0.5mm/s, and sweep span is 0.75mm,
Laser is irradiated on aluminium foil through K7 optical glass, and aluminium foil absorption laser energy gasifies rapidly and concurrently forms substantial amounts of High Temperature High Pressure
Plasma, plasma rapid expanding forms the shock wave of high intensity, and shock wave is in graphene oxide, partial oxidation stone
Ink alkene is pressed into material matrix top layer by shock wave, and partial oxidation of graphite alkene closely acts on and fit to material matrix top layer, right
Invigoration effect is played on material matrix surface；
Step (5): the material matrix after laser-impact is naturally cooled to room temperature, then removes residual in material matrix
K7 optical glass and aluminium foil, obtain the material matrix that surface peening is good.
Embodiment two: the surface reinforcing method of a kind of laser-impact graphite oxide ene coatings, comprises the following steps:
Step (1): at the 60 microns of thick graphene oxides of material matrix surface smear needing strengthening；
Step (2): one layer of 300 microns of thick aluminium foil are set on graphene oxide；
Step (3): the K7 optical glass of one layer of 5 millimeters thick is set on aluminium foil；
Step (4): sending wavelength with Nd:YAG laser instrument is 1064nm, and pulsewidth is 20ns, and pulse energy is 30J, hot spot
The pulse laser of a diameter of 3mm, carries out laser-impact scanning to aluminium foil, and scanning speed is 1.5mm/s, and sweep span is
1.25mm, laser is irradiated on aluminium foil through K7 optical glass, aluminium foil absorb laser energy gasify rapidly concurrently form substantial amounts of
High Temperature High Pressure plasma, plasma rapid expanding formed high intensity shock wave, shock wave on graphene oxide,
Partial oxidation of graphite alkene is pressed into material matrix top layer by shock wave, and partial oxidation of graphite alkene closely acts on and fits to material base
Surface layer, plays invigoration effect to material matrix surface；
Step (5): the material matrix after laser-impact is naturally cooled to room temperature, then removes residual in material matrix
K7 optical glass and aluminium foil, obtain the material matrix that surface peening is good.
Embodiment three: the surface reinforcing method of a kind of laser-impact graphite oxide ene coatings, comprises the following steps:
Step (1): at the 20 microns of thick Graphenes of material matrix surface smear needing strengthening；
Step (2): one layer of 80 microns of thick aluminium foil are set on Graphene；
Step (3): the K9 optical glass of one layer of 1.6 millimeters thick is set on aluminium foil；
Step (4): sending wavelength with Nd:YAG laser instrument is 1064nm, and pulsewidth is 15ns, and pulse energy is 9J, and hot spot is straight
Footpath is the pulse laser of 1mm, and aluminium foil is carried out laser-impact scanning, and scanning speed is 0.5mm/s, and sweep span is 0.75mm,
Laser is irradiated on aluminium foil through K9 optical glass, and aluminium foil absorption laser energy gasifies rapidly and concurrently forms substantial amounts of High Temperature High Pressure
Plasma, plasma rapid expanding formed high intensity shock wave, shock wave on Graphene, part Graphene quilt
Shock wave is pressed into material matrix top layer, and part Graphene closely acts on and fits to material matrix top layer, to material matrix table
Invigoration effect is played in face；
Step (5): the material matrix after laser-impact is naturally cooled to room temperature, then removes residual in material matrix
K9 optical glass and aluminium foil, obtain the material matrix that surface peening is good.
Embodiment four: the surface reinforcing method of a kind of laser-impact graphite oxide ene coatings, comprises the following steps:
Step (1): needing 20 microns of thick Graphenes of material matrix surface smear of strengthening and the mixed of graphene oxide
Compound；
Step (2): one layer of 120 microns of thick aluminium foil are set on the mixture；
Step (3): the K9 optical glass of one layer of 1.6 millimeters thick is set on aluminium foil；
Step (4): sending wavelength with Nd:YAG laser instrument is 1064nm, and pulsewidth is 15ns, and pulse energy is 9J, and hot spot is straight
Footpath is the pulse laser of 1mm, and aluminium foil is carried out laser-impact scanning, and scanning speed is 0.5mm/s, and sweep span is 0.75mm,
Laser is irradiated on aluminium foil through K9 optical glass, and aluminium foil absorption laser energy gasifies rapidly and concurrently forms substantial amounts of High Temperature High Pressure
Plasma, plasma rapid expanding forms the shock wave of high intensity, and shock wave is in Graphene and graphene oxide
On mixture, the mixture of part Graphene and graphene oxide is pressed into material matrix top layer, part Graphene by shock wave
Closely act on the mixture of graphene oxide and fit to material matrix top layer, invigoration effect is played on material matrix surface；
Step (5): the material matrix after laser-impact is naturally cooled to room temperature, then removes residual in material matrix
K9 optical glass and aluminium foil, obtain the material matrix that surface peening is good.
Embodiment five: the surface reinforcing method of a kind of laser-impact graphite oxide ene coatings, comprises the following steps:
Step (1): at the 60 microns of thick Graphenes of material matrix surface smear needing strengthening；
Step (2): one layer of 300 microns of thick aluminium foil are set on Graphene；
Step (3): the silica gel of one layer of 2.2 millimeters thick is set on aluminium foil；
Step (4): sending wavelength with Nd:YAG laser instrument is 1064nm, and pulsewidth is 20ns, and pulse energy is 30J, hot spot
The pulse laser of a diameter of 3mm, carries out laser-impact scanning to aluminium foil, and scanning speed is 1.5mm/s, and sweep span is
1.25mm, laser is irradiated on aluminium foil through silica gel, and aluminium foil absorption laser energy gasifies rapidly and concurrently forms substantial amounts of high temperature height
Pressure plasma, plasma rapid expanding formed high intensity shock wave, shock wave on Graphene, part Graphene
Being pressed into material matrix top layer by shock wave, part Graphene closely acts on and fits to material matrix top layer, to material matrix
Invigoration effect is played on surface；
Step (5): the material matrix after laser-impact is naturally cooled to room temperature, then removes residual in material matrix
Silica gel and aluminium foil, obtain the material matrix that surface peening is good.
Embodiment six: the surface reinforcing method of a kind of laser-impact graphite oxide ene coatings, comprises the following steps:
Step (1): at the 20 microns of thick graphene oxides of material matrix surface smear needing strengthening；
Step (2): one layer of 80 microns of thick aluminium foil are set on graphene oxide；
Step (3): the silica gel of one layer of 1.0 millimeters thick is set on aluminium foil；
Step (4): sending wavelength with Nd:YAG laser instrument is 1064nm, and pulsewidth is 15ns, and pulse energy is 9J, and hot spot is straight
Footpath is the pulse laser of 1mm, and aluminium foil is carried out laser-impact scanning, and scanning speed is 0.5mm/s, and sweep span is 0.75mm,
Laser is irradiated on aluminium foil through silica gel, and aluminium foil absorption laser energy gasifies rapidly and concurrently forms substantial amounts of High Temperature High Pressure plasma
Body, plasma rapid expanding formed high intensity shock wave, shock wave on graphene oxide, partial oxidation of graphite alkene
Being pressed into material matrix top layer by shock wave, partial oxidation of graphite alkene closely acts on and fits to material matrix top layer, to material
Matrix surface plays invigoration effect；
Step (5): the material matrix after laser-impact is naturally cooled to room temperature, then removes residual in material matrix
Silica gel and aluminium foil, obtain the material matrix that surface peening is good.
Embodiment seven: the surface reinforcing method of a kind of laser-impact graphite oxide ene coatings, comprises the following steps:
Step (1): at the 40 microns of thick graphene oxides of material matrix surface smear needing strengthening；
Step (2): one layer of 100 microns of thick aluminium foil are set on graphene oxide；
Step (3): the K7 optical glass of one layer of 3 millimeters thick is set on aluminium foil；
Step (4): sending wavelength with Nd:YAG laser instrument is 1064nm, and pulsewidth is 18ns, and pulse energy is 15J, hot spot
The pulse laser of a diameter of 2mm, carries out laser-impact scanning to aluminium foil, and scanning speed is 1mm/s, and sweep span is 1mm, laser
Be irradiated on aluminium foil through K7 optical glass, aluminium foil absorb laser energy gasify rapidly concurrently form substantial amounts of High Temperature High Pressure etc. from
Daughter, plasma rapid expanding formed high intensity shock wave, shock wave on graphene oxide, partial oxidation of graphite
Alkene is pressed into material matrix top layer by shock wave, and partial oxidation of graphite alkene closely acts on and fits to material matrix top layer, to material
Material matrix surface plays invigoration effect；
Step (5): the material matrix after laser-impact is naturally cooled to room temperature, then removes residual in material matrix
K7 optical glass and aluminium foil, obtain the material matrix that surface peening is good.
Embodiment eight: the surface reinforcing method of a kind of laser-impact graphite oxide ene coatings, comprises the following steps:
Step (1): at the 40 microns of thick Graphenes of material matrix surface smear needing strengthening；
Step (2): one layer of 150 microns of thick aluminium foil are set on Graphene；
Step (3): the K9 optical glass of one layer of 3 millimeters thick is set on aluminium foil；
Step (4): sending wavelength with Nd:YAG laser instrument is 1064nm, and pulsewidth is 18ns, and pulse energy is 15J, hot spot
The pulse laser of a diameter of 2mm, carries out laser-impact scanning to aluminium foil, and scanning speed is 1mm/s, and sweep span is 1mm, laser
Be irradiated on aluminium foil through K9 optical glass, aluminium foil absorb laser energy gasify rapidly concurrently form substantial amounts of High Temperature High Pressure etc. from
Daughter, plasma rapid expanding forms the shock wave of high intensity, and shock wave is on Graphene, and part Graphene is impacted
Ripple is pressed into material matrix top layer, and part Graphene closely acts on and fits to material matrix top layer, plays material matrix surface
Invigoration effect；
Step (5): the material matrix after laser-impact is naturally cooled to room temperature, then removes residual in material matrix
K9 optical glass and aluminium foil, obtain the material matrix that surface peening is good.
Embodiment nine: the surface reinforcing method of a kind of laser-impact graphite oxide ene coatings, comprises the following steps:
Step (1): needing 40 microns of thick Graphenes of material matrix surface smear of strengthening and the mixed of graphene oxide
Compound；
Step (2): one layer of 150 microns of thick aluminium foil are set on the mixture；
Step (3): the silica gel of one layer of 1.8 millimeters thick is set on aluminium foil；
Step (4): sending wavelength with Nd:YAG laser instrument is 1064nm, and pulsewidth is 18ns, and pulse energy is 15J, hot spot
The pulse laser of a diameter of 2mm, carries out laser-impact scanning to aluminium foil, and scanning speed is 1mm/s, and sweep span is 1mm, and light is worn
Crossing silica gel to be irradiated on aluminium foil, aluminium foil absorption laser energy gasifies rapidly and concurrently forms substantial amounts of High Temperature High Pressure plasma, etc.
Gas ions rapid expanding formed high intensity shock wave, shock wave on the mixture of Graphene and graphene oxide, portion
The mixture dividing Graphene and graphene oxide is pressed into material matrix top layer, part Graphene and graphene oxide by shock wave
Mixture closely act on and fit to material matrix top layer, invigoration effect is played on material matrix surface；
Step (5): the material matrix after laser-impact is naturally cooled to room temperature, then removes residual in material matrix
Silica gel and aluminium foil, obtain the material matrix that surface peening is good.
Embodiment ten: the surface reinforcing method of a kind of laser-impact graphite oxide ene coatings, comprises the following steps:
Step (1): needing 40 microns of thick Graphenes of material matrix surface smear of strengthening and the mixed of graphene oxide
Compound；
Step (2): one layer of 100 microns of thick aluminium foil are set on the mixture；
Step (3): the silica gel of one layer of 1.8 millimeters thick is set on aluminium foil；
Step (4): sending wavelength with Nd:YAG laser instrument is 1064nm, and pulsewidth is 18ns, and pulse energy is 15J, hot spot
The pulse laser of a diameter of 2mm, carries out laser-impact scanning to aluminium foil, and scanning speed is 1mm/s, and sweep span is 1mm, and light is worn
Crossing silica gel to be irradiated on aluminium foil, aluminium foil absorption laser energy gasifies rapidly and concurrently forms substantial amounts of High Temperature High Pressure plasma, etc.
Gas ions rapid expanding formed high intensity shock wave, shock wave on the mixture of Graphene and graphene oxide, portion
The mixture dividing Graphene and graphene oxide is pressed into material matrix top layer, part Graphene and graphene oxide by shock wave
Mixture closely act on and fit to material matrix top layer, invigoration effect is played on material matrix surface；
Step (5): the material matrix after laser-impact is naturally cooled to room temperature, then removes residual in material matrix
Silica gel and aluminium foil, obtain the material matrix that surface peening is good.
The above is only the preferred embodiment of the present invention, is not limited to the present invention, it is noted that for this skill
For the those of ordinary skill in art field, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and
Modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (8)
1. the surface reinforcing method of a laser-impact graphite oxide ene coatings, it is characterised in that: comprise the following steps:
Step (1): Graphene, graphene oxide or both mixture solutions are applied to need the material matrix table of strengthening
Face, forms coating；
Step (2): aluminium foil is set in coating as absorbed layer；
Step (3): optical glass or silica gel are set on absorbed layer as restraint layer；
Step (4): with pulse laser, coating being carried out laser-impact scanning, laser impact intensified principle is: use pulse laser
Absorbed layer is carried out laser-impact scanning, and laser is irradiated on absorbed layer through restraint layer, and it is rapid that absorbed layer absorbs laser energy
Gasification concurrently forms substantial amounts of High Temperature High Pressure plasma, and plasma rapid expanding forms the shock wave of high intensity, shock wave
Acting on coating, partial coating is pressed into material matrix top layer by shock wave, and partial coating closely acts on and fits to material base
Surface layer, plays invigoration effect to material matrix surface；
Step (5): the material matrix after laser-impact is naturally cooled to room temperature, then removes the constraint of residual in material matrix
Layer and absorbed layer, obtain the material matrix that surface peening is good.
The surface reinforcing method of laser-impact graphite oxide ene coatings the most according to claim 1, it is characterised in that: step
(1) thickness of the coating described in is 20-60 micron.
The surface reinforcing method of laser-impact graphite oxide ene coatings the most according to claim 1, it is characterised in that: step
(2) absorbed layer described in is aluminium foil, and thickness is 80 to 300 microns.
The surface reinforcing method of laser-impact graphite oxide ene coatings the most according to claim 1, it is characterised in that: step
(3) restraint layer described in is optical glass, and thickness is 1.6 to 5.0 millimeters.
The surface reinforcing method of laser-impact graphite oxide ene coatings the most according to claim 4, it is characterised in that: described
Optical glass be K7 optical glass or K9 optical glass.
The surface reinforcing method of laser-impact graphite oxide ene coatings the most according to claim 1, it is characterised in that: step
(3) restraint layer described in is silica gel, and thickness is 1.0 to 2.2 millimeters.
The surface reinforcing method of laser-impact graphite oxide ene coatings the most according to claim 1, it is characterised in that: step
(4) speed of the laser-impact scanning described in is 0.5～1.5mm/s, and sweep span is 0.75～1.25mm.
The surface reinforcing method of laser-impact graphite oxide ene coatings the most according to claim 1, it is characterised in that: step
(4) laser emitter of the laser pulse described in is Nd:YAG laser instrument, and wavelength is 1064nm, and pulsewidth is 15～20ns,
Pulse energy range is 9～30J, and spot diameter is 1～3mm.
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| CN201610607738.3A CN106222650A (en) | 2016-07-29 | 2016-07-29 | The surface reinforcing method of laser-impact graphite oxide ene coatings |
| PCT/CN2016/093920 WO2018018655A1 (en) | 2016-07-29 | 2016-08-08 | Surface strengthening method by laser shock on graphene or graphene oxide coating |
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| CN102212655A (en) * | 2011-05-08 | 2011-10-12 | 张家港富瑞特种装备股份有限公司 | Laser shock method |
| CN102219499A (en) * | 2011-04-28 | 2011-10-19 | 江苏大学 | Method for improving electrical property of zinc-oxide-based low voltage varister ceramic film |
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2016
- 2016-07-29 CN CN201610607738.3A patent/CN106222650A/en active Pending
- 2016-08-08 WO PCT/CN2016/093920 patent/WO2018018655A1/en active Application Filing
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| CN101736214A (en) * | 2010-01-08 | 2010-06-16 | 清华大学 | Light metal surface laser impact micronano particle injection reinforcing method |
| CN102140644A (en) * | 2011-03-18 | 2011-08-03 | 江苏大学 | Method for changing material surface nano property |
| CN102219499A (en) * | 2011-04-28 | 2011-10-19 | 江苏大学 | Method for improving electrical property of zinc-oxide-based low voltage varister ceramic film |
| CN102212655A (en) * | 2011-05-08 | 2011-10-12 | 张家港富瑞特种装备股份有限公司 | Laser shock method |
| CN105200226A (en) * | 2015-08-21 | 2015-12-30 | 江苏大学 | Method for prolonging fatigue life of metal material |
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| CN109207910A (en) * | 2018-10-25 | 2019-01-15 | 广东工业大学 | A kind of method for carburizing based on laser-impact |
| CN111525086A (en) * | 2020-04-26 | 2020-08-11 | 东华大学 | Preparation method of lithium battery electrode based on laser shock technology |
| CN111549339A (en) * | 2020-05-22 | 2020-08-18 | 蚌埠学院 | Method for enhancing bonding fastness of graphene and base material |
| CN112080629A (en) * | 2020-09-04 | 2020-12-15 | 武汉大学 | Laser impact imprinting composite strengthening method |
| CN112080629B (en) * | 2020-09-04 | 2021-11-02 | 武汉大学 | Laser impact imprinting composite strengthening method |
| CN112958917A (en) * | 2021-02-05 | 2021-06-15 | 中国航发中传机械有限公司 | Laser impact marking method for metal components |
| CN113088849A (en) * | 2021-03-09 | 2021-07-09 | 武汉大学 | Composite strengthening method for synthesizing nano diamond by laser induction |
| CN113088172A (en) * | 2021-04-08 | 2021-07-09 | 中国航发北京航空材料研究院 | Graphene-modified laser absorption layer coating and coating method thereof |
| CN113088172B (en) * | 2021-04-08 | 2022-04-19 | 中国航发北京航空材料研究院 | Graphene-modified laser absorption layer coating and coating method thereof |
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