CN107009027A - The micro- texture of hair follicle type and its processing method of a kind of high bond strength - Google Patents
The micro- texture of hair follicle type and its processing method of a kind of high bond strength Download PDFInfo
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- CN107009027A CN107009027A CN201710392785.5A CN201710392785A CN107009027A CN 107009027 A CN107009027 A CN 107009027A CN 201710392785 A CN201710392785 A CN 201710392785A CN 107009027 A CN107009027 A CN 107009027A
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- hair
- hair follicle
- micro
- texture
- convex
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
- B23K26/355—Texturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/16—Composite materials, e.g. fibre reinforced
Abstract
The present invention provides a kind of micro- texture of hair follicle type and its processing method of high bond strength, up-narrow and down-wide hair follicle type is processed on substrate material surface and is combined micromorphology, it is the micromorphology compound up and down along the direction progress perpendicular to matrix material side that the hair follicle type, which is combined micromorphology, the hair root of body is in the form of a column including top, bottom is in the ball top of orbicule, include several mao of convex, diameter of the diameter less than the ball top of the hair root inside the ball top.The micro- texture of hair follicle type of the present invention, its feature is after reinforcement insertion nick is cheated with advantage, hair follicle type structure locks the reinforced partly body after shaping, the interlocking in structure is formd while enhancing matrix and effective contact surface area of reinforcement, so as to improve the interface bond strength of composite and the service life of composite.The parameter of the micro- texture of hair follicle type can be adjusted according to the combination of different materials, effectively increase the applicable situation of the micro- texture of hair follicle type.
Description
Technical field
The present invention relates to field of compound material process for treating surface, by Laser Micro-Machining and corrosive liquid micro etch technology,
In the matrix surface formation micro- texture of hair follicle type of composite, specifically, the hair follicle type for being related to a kind of high bond strength is micro-
Texture and its processing method.
Background technology
Composite is just being widely used in Aero-Space, automobile, large warehoused fortune as a kind of novel and multifunctional material
The fields such as defeated, building materials, medicine equipment.
At present, the main method for improving material interface binding ability is the micro- texture processing in surface, conventional micro- texture features
It is divided into single micro- texture and is combined micro- texture, specifically, there is helical form (A of CN 104825212), arc-shaped (CN
105149894 A), the volcano shape of the mouth as one speaks and ball crown type (A of CN 104551701) etc., its common feature is, positioned at the micro- of material surface
Texture is in semielliptical opening shape, i.e., diameter is more than base diameter, these traditional micro- texture of opening shape wide at the top and narrow at the bottom at opening
Compound pattern is mainly realized by the cross directional variations of material.
The shortcoming of this kind of micro- texture be when composite withstood shocks under operating mode power, extruding force, shearing force, alternating force or
Easily occur MATRIX CRACKING, layering, fibrous fracture and matrix squeeze crack equivalent damage in the presence of composite force and reduce the use longevity of material
Life.
The content of the invention
The purpose of the present invention is to provide the micro- texture of hair follicle type and its processing side of a kind of high bond strength regarding to the issue above
Method, by Laser Micro-Machining and corrosive liquid micro etch complex technique, in the matrix surface formation micro- texture of hair follicle type of composite,
Reinforcement is embedded in hair by reinforcement material with matrix material and convexes into interlocking, adds matrix and the effective of reinforcement combines by force
Degree, is applicable to most of composite combination fields and most of laminated composite materials field.
The technical scheme is that：A kind of micro- texture of hair follicle type of high bond strength, is processed on substrate material surface
Go out up-narrow and down-wide hair follicle type and be combined micromorphology, it is along the direction perpendicular to matrix material side that the hair follicle type, which is combined micromorphology,
The micromorphology compound up and down carried out, including top are in the form of a column the hair root of body, and bottom is in inside the ball top of orbicule, the ball top
Convex including several mao, the diameter of the hair root is less than the diameter of the ball top.
In such scheme, when the convex quantity of the hair is one, hair is convex and ball top is same structure, and the hair follicle type is micro-
Texture is the single mao of convex micro- texture of hair follicle type；
As convex Shuo Liang of the hair≤2, the micro- texture of hair follicle type is the convex micro- texture of hair follicle type of crinosity, the hair it is convex it
Between have the convex spacing of hair.
In such scheme, depth H≤5 μm of the hair root, diameter D≤100 μm of the hair root, the depth of the ball top
H1≤5 μm, diameter D1≤(1.1~2) D of the ball top.
In such scheme, convex diameter d=(1~1/5) D1 of the hair.
In such scheme, the value of the convex spacing of hair between the hair is convex is 0 ≦ δ≤D1-2d.
In such scheme, the hair follicle type is combined all or part of surface that micromorphology has matrix material, the hair follicle
The occupation rate that type is combined micromorphology area isThe occupation rate μ that i.e. described hair follicle type is combined micromorphology area is institute
State the surface area of hair rootBetween adjacent hair root centre-to-centre spacing L square ratio.
A kind of processing method of micro- texture of hair follicle type according to the high bond strength, comprises the following steps：
S1, the surface to matrix material carry out coarse processing；
S2, design substrate material surface hair follicle type pattern are the single mao of convex convex hair follicle type of hair follicle type or crinosity；
S3, using Laser Processing substrate material surface the micro- texture of hair follicle type hair root and ball top part, the hair root and
Ball top is genesis analysis, and the diameter of the hair root is less than the diameter of the ball top；
S4, the convex preliminary pattern of the ball top internal hair is processed using laser roughening technology, so it is convex to hair using corrosive liquid
Carry out lateral encroaching；
S5, using syringe injection, corrosive agent cleaning fluid is convex to the hair cleans；
S6, using combination process by reinforcement material incorporate or embedded matrix material hair follicle type nick cheat in, i.e. hair follicle
The micro- texture of type, carries out the preparation of composite.
In such scheme, the arithmetic average deviation of substrate material surface profile described in the step S1 is Ra≤0.8 μm
Or Ra≤1.0 μm, the maximum height of profile is Rz≤1.6 μm or Rz≤3.2 μm.
In such scheme, specific laser processing parameter is in the step S2：The optical maser wavelength of laser roughening is 532nm
Or 2 × 532nm, defocusing amount is [- 1.2,1.2] mm, and pulse width is 0.5ms, and pulse frequency is 1KHz~10KHz, energy
Density is 104~106W/cm2。
In such scheme, according to the use condition of composite, angle and matrix material are laser machined in the step S2
Surface normal is in 0 °~45 °.
Compared with prior art, the beneficial effects of the invention are as follows：
1. the micro- texture of hair follicle type of the present invention, is applicable to most of composite combination fields and most of
Laminated composite materials field.
It is come real by longitudinally varying that 2. the micro- texture of hair follicle type of the present invention, which is the up-narrow and down-wide micro- texture of hair follicle type,
Pattern is now combined, matrix and effective knot of reinforcement can largely be increased by the ball top of the micro- texture bottom of hair follicle type
Close area.
3. the micro- texture of hair follicle type of the present invention is that the up-narrow and down-wide micro- texture of hair follicle type is realized by longitudinally varying
Compound pattern, interlocking is convexed into when reinforcement is embedded in hair with matrix material by reinforcement material, matrix and enhancing is added
Effective bond strength of body, so as to improve the interface bond strength of composite and the service life of composite.
4. the parameter of the micro- texture of hair follicle type of the present invention can be adjusted according to the combination of different materials, effectively increase
The applicable situation of the micro- texture of hair follicle type.
Brief description of the drawings
Fig. 1 is the single mao of convex micro- texture features structural representation of hair follicle type of an embodiment of the present invention；
Fig. 2 is the micro- texture features structural representation of the convex hair follicle type of crinosity of an embodiment of the present invention；
Fig. 3 is the size marking figure of the single mao of convex micro- texture of hair follicle type of an embodiment of the present invention；
Fig. 4 is the size marking figure of the convex micro- texture of hair follicle type of crinosity of an embodiment of the present invention；
Fig. 5 is the spacing distribution map of the micro- texture of hair follicle type of an embodiment of the present invention；
Fig. 6 is the flow process chart of the single mao of convex micro- texture of hair follicle type of an embodiment of the present invention；
Fig. 7 is the flow process chart of the convex micro- texture of hair follicle type of crinosity of an embodiment of the present invention.
In figure, 1- matrix materials；2- hair roots；3- ball tops；4- maos convex；5- maos of convex spacing.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description, but protection scope of the present invention
It is not limited to this.
In order to illustrate the concrete condition of the micro- texture features of hair follicle type of the present invention and its processing method, with lamination in following implementations
The Metal Substrate skeleton of composite buffer bar with it is rubber combined exemplified by, with reference to accompanying drawing, the present invention will be further described.It is as follows
The case study on implementation process provided is schematic, present invention composition is not particularly limited to.
The present invention's is that compound pattern is realized by longitudinally varying for the up-narrow and down-wide micro- texture of hair follicle type.The present invention
The micro- texture of hair follicle type, its feature and advantage are that behind reinforcement insertion nick hole, hair follicle type structure is by the part increasing after shaping
The interlocking in structure is formd while effective contact surface area of strong body locking, enhancing matrix and reinforcement, so as to improve multiple
The interface bond strength of condensation material and the service life of composite.The parameter of the micro- texture of hair follicle type can be according to the knots of different materials
Conjunction is adjusted, and effectively increases the applicable situation of the micro- texture of hair follicle type.
A kind of micro- texture of hair follicle type of high bond strength, hair follicle type is the compound micromorphology of upper column and lower orbicule,
Go out to include the compound micromorphology of hair root 2, ball top 3, hair convex 4 and the convex spacing 5 of hair in the Surface Machining of matrix material 1, it is described compound micro-
Pattern has the nick chamber pattern of two kinds of longitudinal arrangements, is according to the optimization geometric parameter of the specific pattern of the different hair follicles of material：
Depth H≤5 μm of hair root 2, diameter D≤100 μm of hair root 2,1≤5 μm of the depth H of ball top 3, diameter D1≤(1.1 of ball top 3
~2) D, diameter d=(1~1/5) D1 of hair convex 4, the ≦ δ of value 0≤D1-2d of the convex spacing 5 of hair, as shown in Figures 3 and 4.
The convex spacing 5 of hair is determined that, when hair convex 4 is one, the value of the convex spacing 5 of hair is δ=0, and now hair is convex by hair convex 4
4 be same structure, the referred to as single mao convex micro- texture of hair follicle type with ball top 3；As the Ge Shuo≤2 of hair convex 4, the convex spacing 5 of hair is by hair convex 4
Number and diameter determine, the referred to as convex micro- texture of hair follicle type of crinosity.
The compound pattern may be present in all or part of surface of matrix material 1, according to the property of different matrix material 1
Depending on matter, purposes and combination process situation, the occupation rate of hair follicle type micromorphology areaDescribed area occupies
Rate for surface area and the adjacent pattern centre-to-centre spacing L of hair root 2 square ratio, L is as shown in Figure 5.
The processing method of the micro- texture of hair follicle type of the high bond strength, comprises the following steps：
S1, the surface to matrix material 1 carry out coarse processing, and appropriate surface roughness can both increase the combination of material
Area can increase interface bond strength again, the arithmetic average deviation of general substrate material surface profile for Ra≤0.8 μm or
1.0 μm, the maximum height of profile is Rz≤1.6 μm or 3.2 μm, and the matrix material of particular/special requirement is then by composite performance and compound work
Skill is determined；
S2, design matrix surface hair follicle type pattern, according to the use field of composite and bond strength, are combined micromorphology
It is present in all or part of surface of matrix material 1, pattern is the single mao of convex convex hair follicle type of hair follicle type or crinosity；
S3, the hair root 2 using the micro- texture of hair follicle type for laser machining the surface of matrix material 1 and the part of ball top 3, it is specific to swash
Light machined parameters are：The optical maser wavelength of laser roughening is 532nm or 2 × 532nm, and defocusing amount is [- 1.2,1.2] mm, pulse
Width 0.5ms, pulse frequency 1KHz~10KHz, energy density is 104~106W/cm2, laser machine angle and matrix material table
The normal direction of face 1 is in 0 °~45 °, and the cementation zone thickness produced after machining in substrate material surface 1 can reach 450 μm of left sides
It is right；
S4, the preliminary pattern using the Laser Processing internal hair of ball top 3 convex 4, and then use certain density corrosive liquid convex to hair 4
Lateral encroaching is carried out, corrosive liquid can be injected using micron order fixed-quantity injector for general ball top 3, for less ball top
3 can carry out the quantitative injection of corrosive liquid using " liquid force microscope " syringe；
S5, using syringe inject corrosive agent cleaning fluid it is convex to hair 4 carry out 3~6 times cleaning；
S6, using combination process by reinforcement material incorporate or embedded matrix material 1 hair follicle type nick cheat in, answered
The preparation of condensation material.
Embodiment one：
A kind of preparation of the buffer bar with the micro- texture of hair follicle type, as shown in Figure 7.Matrix material 1 is selected for metallic framework
Aluminum alloy materials such as Fig. 6-(1), the universal buffering bar of preparation 900 × 100 × 70.The laser for the laser roughening machine that present case is selected
Wavelength is 532nm, and defocusing amount is [- 1.2,1.2] mm, pulse width 0.5ms, and pulse frequency 1KHz, energy density is 104W/
cm2, Laser Processing angle is in 0 ° with substrate material surface normal direction.
The single mao of convex micro- texture of hair follicle type in manuscript 1, using the laser roughening technology in above-mentioned in the aluminium alloy of matrix material 1
The hair root 2 that Surface Machining goes out in Fig. 6-(2), depth H=100 μm of hair root 2, D=200 μm of the diameter of hair root 2.
Such as Fig. 6-(3) show laser-impact/texturing, use laser roughening technology to be ablated with nitrogen auxiliary bottom
Vaporization, 1=75 μm of the depth H of ball top 3, d=200 μm of diameter~220 μm of ball top 3 (hair convex 4 is same structure with ball top 3).
Selection acetone is accommodated on corrosion device after Al-alloy metal skeleton is cleaned up, and is cleaned with pure water, is air-dried.Adopted at 25 DEG C
The nitric acid corrosive liquid for injecting 30% with medical needle carries out lateral encroaching to micro- texture, and corrosive liquid stops 90s~430s or so, then uses
Pure water is cleaned, and is air-dried, 4 μm~20 μm of the diameter of extendible hair convex 4, such as shown in Fig. 6-(4).
Rubber is incorporated using heat cure complex technique and is combined in the hair follicle type nick hole of aluminium alloy compound matrix, it is cold
But.
Embodiment two：
A kind of preparation of the buffer bar with the micro- texture of hair follicle type, matrix material 1 be metallic framework from steel such as Fig. 7-
(1) buffer bar under 1220 × 100 × 70 ore deposit, is prepared.The optical maser wavelength for the laser roughening machine that present case is used for 1064nm, from
Jiao's amount is [- 1.2,1.2] mm, pulse width 0.5ms, and pulse frequency 5KHz, energy density is 105W/cm2, auxiliary gas is nitrogen
Gas, Laser Processing angle is in 30 ° with substrate material surface normal direction.
The convex micro- texture of hair follicle type of crinosity in manuscript 2, the steel metal framework material after selection processing, using swashing in above-mentioned
Hair root 2 of the light texturing technology in steel surface processes Fig. 7-(2), depth H=500 μm of hair root 2, the diameter D=of hair root 2
1mm。
As shown in Fig. 7-(3), laser roughening technology is used to ablate vaporization, ball top 3 with nitrogen auxiliary progress hair root bottom
1=150 μm of depth H, 1000 μm or so of the diameter of ball top 3, d=200 μm of the diameter of hair convex 4, the number of hair convex 4 is 2, hair
Zhi δ≤100 μm of convex spacing 5.
It is laterally rotten to the progress of micro- texture using the nitric acid corrosive liquid of medical needle injection 30% at 25 DEG C as shown in Fig. 7-(4)
Erosion, stops 210s~2105s, then is cleaned with pure water, air-dries, 10 μm~100 μm of the diameter of extendible hair convex 4.
Rubber is incorporated using heat cure complex technique and is combined in the hair follicle type nick hole of steel matrix, is cooled down.
As described above, in one or more embodiments, the micro- texture of hair follicle type can be as needed to its matrix and reinforcement
Material, combination process carry out different designs.
It should be understood that, although this specification is described according to each embodiment, but not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say
Bright book is as an entirety, and the technical solutions in the various embodiments may also be suitably combined, and forming those skilled in the art can be with
The other embodiment of understanding.
The a series of detailed description of those listed above illustrating only for the possible embodiments of the present invention,
They simultaneously are not used to limit the scope of the invention, all equivalent embodiments made without departing from skill spirit of the present invention or change
It should be included in the scope of the protection.
Claims (10)
1. a kind of micro- texture of hair follicle type of high bond strength, it is characterised in that the hair follicle processed on matrix material (1) surface
Type is combined micromorphology, and it is along the multiple up and down of the direction progress perpendicular to matrix material (1) side that the hair follicle type, which is combined micromorphology,
The micromorphology of conjunction, including top are in the form of a column the hair root (2) of body, and bottom is in be wrapped inside the ball top (3) of orbicule, the ball top (3)
Include several mao convex (4), the diameter of the hair root (2) is less than the diameter of the ball top (3).
2. the micro- texture of hair follicle type of high bond strength according to claim 1, it is characterised in that when the hair convex (4)
When quantity is one, hair convex (4) is same structure with ball top (3), and the micro- texture of hair follicle type is the single mao of convex micro- texture of hair follicle type；
As the Shuo Liang≤2 of the hair convex (4), the micro- texture of hair follicle type is the convex micro- texture of hair follicle type of crinosity, and the hair is convex (4)
Between have the convex spacing of hair (5).
3. the micro- texture of hair follicle type of high bond strength according to claim 1 or 2, it is characterised in that the hair root (2)
Depth H≤5 μm, diameter D≤100 μm of the hair root (2), 1≤5 μm of the depth H of the ball top (3), the ball top (3) it is straight
Footpath D1≤(1.1~2) D.
4. the micro- texture of hair follicle type of high bond strength according to claim 3, it is characterised in that the hair convex (4) it is straight
Footpath d=(1~1/5) D1.
5. the micro- texture of hair follicle type of high bond strength according to claim 4, it is characterised in that between the hair convex (4)
The convex spacing of hair (5) value be 0 ≦ δ≤D1-2d.
6. the micro- texture of hair follicle type of high bond strength according to claim 3, it is characterised in that the hair follicle type is combined micro-
There is all or part of surface of matrix material (1) in pattern, the occupation rate that the hair follicle type is combined micromorphology area isThe occupation rate μ that i.e. described hair follicle type is combined micromorphology area is the surface area of the hair root (2)With it is adjacent
Between hair root (2) centre-to-centre spacing L square ratio.
7. a kind of processing method of the micro- texture of hair follicle type of high bond strength according to claim 1, it is characterised in that including
Following steps：
S1, the surface to matrix material (1) carry out coarse processing；
S2, design matrix material (1) surface hair follicle type pattern are the single mao of convex convex hair follicle type of hair follicle type or crinosity；
S3, the hair root (2) using the micro- texture of hair follicle type for laser machining matrix material (1) surface and ball top (3) part, the hair
Root (2) and ball top (3) are genesis analysis, and the diameter of the hair root (2) is less than the diameter of the ball top (3)；
S4, the preliminary pattern using laser roughening technology processing ball top (3) internal hair convex (4), and then using corrosive liquid to hair
Convex (4) carry out lateral encroaching；
S5, using syringe inject corrosive agent cleaning fluid (4) convex to the hair clean；
S6, using combination process by reinforcement material incorporate or embedded matrix material (1) hair follicle type nick cheat in, i.e. hair follicle type
Micro- texture, carries out the preparation of composite.
8. the processing method of the micro- texture of hair follicle type of high bond strength according to claim 7, it is characterised in that the step
The arithmetic average deviation of matrix material described in S1 (1) surface profile is Ra≤0.8 μm or Ra≤1.0 μm, the maximum of profile
Highly it is Rz≤1.6 μm or Rz≤3.2 μm.
9. the processing method of the micro- texture of hair follicle type of high bond strength according to claim 7, it is characterised in that the step
Specific laser processing parameter is in S2：The optical maser wavelength of laser roughening be 532nm or 2 × 532nm, defocusing amount for [- 1.2,
1.2] mm, pulse width is 0.5ms, and pulse frequency is 1KHz~10KHz, and energy density is 104~106W/cm2。
10. the processing method of the micro- texture of hair follicle type of high bond strength according to claim 7 or 9, it is characterised in that described
It is in 0 °~45 ° that angle is laser machined in step S2 with matrix material (1) surface normal.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109136518A (en) * | 2018-08-20 | 2019-01-04 | 南通大学 | A kind of maritime platform heavy-duty gear surface laser alloyage process |
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| US20090181161A1 (en) * | 2007-08-20 | 2009-07-16 | Council Of Scientific And Industrial Research. | Process for the preparation of protein mediated calcium hydroxyapatite (hap) coating on metal substrate |
| CN101607446A (en) * | 2008-06-17 | 2009-12-23 | 邓子平 | The manufacture method of a kind of aluminium alloy and thermoplastic resin combination |
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Application publication date: 20170804 |