CN103111793A - Method for preparing great-depth bionic heteroplasmons on surfaces on thick-wall parts - Google Patents
Method for preparing great-depth bionic heteroplasmons on surfaces on thick-wall parts Download PDFInfo
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Abstract
The invention relates to a preparation method of metal based bionic function surface materials, in particular to a method for preparing great-depth bionic heteroplasmons on the surfaces of thick-wall parts and a method capable of improving wear resistance and fatigue resistance of parts. The technical scheme includes that shape, structure and distribution of the bionic heteroplasmons on the surfaces of the parts, the bionic heteroplasmons are for simulating multi-factor coupled body surface characteristics of living beings and is of cylinder, cuboid or groove-shaped structure with circular, strip-shaped or square surface, the diameter or width of the heteroplasmons ranges from 3mm to 20mm, the interval ranges from 5mm to 50mm, and the depth of the heteroplasmons embedded in the parts ranges from 3mm to 30mm. The preparation of the bionic heteroplasmons includes: composite preparation of surface embedded type carving or drilling holes and surfacing of heterogeneous materials, composite preparation of surface embedded type carving or drilling holes and high-temperature cast self-spreading of the heterogeneous materials, composite preparation of surface embedded type carving or drilling holes and imbedding of heterogeneous materials, and composite preparation of surface embedded type carving or drilling holes and successive/continuous laser fusion covering.
Description
Technical field
The present invention relates to the preparation method of Metal Substrate bionic functional surface material, particularly a kind of at the bionical heteroplasmon of the large component surface large degree of depth of preparation, thus improve the wearability of parts and the method for fatigue resistance.
Background technology
The parts of much being on active service in adverse circumstances are arranged in producing and applying, and the volume of these parts is large, work load-bearing surface thickness is large, need to bear huge cyclic loading and heavy wear, as cement grinding roller, iron and steel roll, rail vehicle brake disc etc.Wearing and tearing and fatigue crack are the main failure forms of these wall thickness parts, when the wear extent of these parts surfaces is excessive and oversize occurs and during the crackle of quantitative requirement, not only affect prouctiveness and product quality, but also need cost plenty of time and financial resources to be loaded and unloaded and repair, have to scrap in advance when serious, to manufacturing enterprise, cause very big loss.As cement grinding roller, wearing and tearing cause the system unit alteration of form, and decrease in efficiency causes the roll squeezer vibration, and the damage of aggravation parts, even make roll squeezer and system move when serious; After Railway Speed-Increasing because of wearing and tearing and hot tearing serious, the repair in shop phase of its brake disc shortens to 4 years by original 6-7, a domestic brake disc of repair in shop phase scraps 50%; Steel plant's roll is because of Surface fatigue wear, and its steel transportation amount descends 26%, and percent defective improves 20%.Therefore, for these parts, seeking effectively wear-resisting, crack arrest and antifatigue method is engineering field technical barrier urgently to be resolved hurrily.
Biological evolution and differentiation through 1 years, its body surface has developed into the efficient function surface that can adapt to complicated external environment.Particularly some organism surfaces have outstanding wear-resisting and crack arrest function concurrently simultaneously.For example, land animal pangolin, lizard etc. rub in sharp sandstone, and health but remains intact and never is damaged; Aerial animal dragonfly, organism in water shellfish etc. are stood the impact of air-flow or seawater for a long time, but show very strong fatigue resistance; The plant leaf blade long term exposure is in external world's nature and resist and expose to wind and rain, and but also has excellent crack arrest function.Further further investigation is found, the universals of organism surface are to be distributed with the functional unit of special shape, yardstick and composition at its body surface, studied personnel are called heteroplasmon, these heteroplasmons and parent form the structure of tough combination, soft or hard combination, hard and soft combination, and make these organism surfaces have excellent wear-resisting and crack arrest function by mechanism such as dowel pin effect, dykes and dams effects.
When function bionics is carried out in the conventional components surface, as hot-work die, automotive brake hub etc., use for reference biological wear-resisting, crack arrest and antifatigue principle, the coupling effect of comprehensive simulation organism surface form, structure, material, the bionical heteroplasmon of preparing has variform, structure refinement, the characteristics such as structure-reinforced, has effectively improved wearing and tearing and the fatigue problem of these parts.But, for aforementioned large volume, large wall thickness parts, these parts surfaces need bear much larger than the wearing and tearing of conventional components and fatigue load, and allow surface to have certain allowable wear amount and fatigue crack quantity or length, over after amount allowable, are just repaired or scrap.Adopt traditional bionical heteroplasmon preparation method, as methods such as laser melting, laser melting coating, laser alloying, nitriding, shot-peening, spraying, machinery or chemistry engravings, the heteroplasmon that these methods obtain is because intensity is too low, yardstick and the problem such as the degree of depth is too little, efficiency is not high, be difficult to bear than galling and fatigue stress, perhaps only effective in less life cycle, can not reach large component and continue for a long time the requirement of using, therefore adopt above method effectively not deal with problems.For these problems, need to prepare the bionical heteroplasmon with some scale and degree of depth at these parts surfaces, these bionical heterogeneous physical efficiencys are on active service in the longer time until component failure is realized bionical heteroplasmonic function continuous and effective in certain thickness and certain limit.
Summary of the invention
The object of the invention is to overcome the heteroplasmon that existing preparation method obtains because intensity is too low, yardstick and the problem such as the degree of depth is too little, efficiency is not high, be difficult to bear than galling and fatigue stress, perhaps only effective in less life cycle, can not reach large component and continue for a long time the requirement of using, provide a kind of and prepare the bionical heteroplasmonic method of the large degree of depth at the wall thickness parts surface.These heteroplasmons not only have the wear-resisting functional characteristics with antifatigue of traditional heteroplasmon, and guarantee these heteroplasmons continuous and effective in than the galling degree of depth, longer life cycle.
The object of the present invention is achieved like this:
A kind ofly at the wall thickness parts surface, prepare the bionical heteroplasmonic method of the large degree of depth, design bionical heteroplasmonic form, structure and distribution at parts surface, bionical heteroplasmon is the surface characteristics of the biological multifactor coupling of simulation, cylinder, cuboid or channel shaped structure with circle, bar shaped or square face form, heteroplasmon diameter or width are 3-20mm, and spacing is 5-50mm; The depth bounds of heteroplasmon built in items is 3-30mm; Heteroplasmon upper surface and matrix surface maintain an equal level.
Described bionical heteroplasmonic preparation comprises: the synthetic preparation of surface embedded type engraving or boring and dissimilar materials built-up welding, surface embedded type engraving or boring and the casting of the dissimilar materials high temperature synthetic preparation from climing edge, the synthetic preparation of surface embedded type engraving or boring and dissimilar materials castingin, the synthetic preparation of surface embedded type engraving or boring and successively/continuous laser cladding.
Described surface embedded type engraving or boring and the compound preparation of dissimilar materials built-up welding, at first utilize milling, drilling machine processing method, at first form the non-smooth and depth structure of cylinder, cuboid or channel shaped with bionical effect at parts surface, the built-up welding of recycling medicine core alloy welding wire forms the heteroplasmon that the isostructure shape is complementary, and the kind of welding wire comprises: rich chromium cast iron welding wire 22～35%Cr, 3.8～5.6%C, 0.5～1%Si, 1～1.5%Mn, 0.006%S, 0.013%P; High-carbon vanadium high-speed steel welding wire: 0.5～0.9%C, 0.4～0.8%Si, 0.3～0.6%Mn, 3～5%Cr, 5～9.5%Mo, 1～2.5%W, 0.8～1.3%V; Steel alloy welding wire: 0.45～0.65%C, 4.5～10%Cr, 2～7.5%Mo, 4～5%V, 1.8～2.2%Ni.
Described surface embedded type engraving or boring are synthesized compound preparation with the casting of dissimilar materials high temperature from spreading, at first utilize mechanical means at first at parts surface, to process bionic, non-smooth form and the depth structure with regular shape: cylinder, cuboid or channel shaped, utilize afterwards injection moulding method that alloy or ceramic mixed-powder are injected to the vacancy that component processing goes out under the heating plasticizing state, finally utilize the high temperature casting to realize the connection of alloy material with matrix from spreading synthetic method; Its mixed-powder kind comprises: TiC, SiC, Al
2o
3, WC, ZrO
2, TiB
2ceramic powders; The self-fluxing alloy powder of Fe30A, Ni45, Co50; Rich chromium cast iron and high-speed steel particular alloy powder.
With the dissimilar materials Cast-in Bonding, prepared by described surface embedded type engraving or boring, at first utilize mechanical means at first at parts surface, to process bionic, non-smooth form and the depth structure with regular shape: cylinder, cuboid or channel shaped, afterwards Hardmetal materials is placed on to the vacancy that machining goes out, the high temperature of recycling melting matrix material, the top layer metal molten makes to insert, and cooled and solidified is made the technique of casting composite material together, its Hardmetal materials is: H13 steel or HD steel.
Described surface embedded type engraving or boring are with successively/compound preparation of continuous laser cladding, at first utilize mechanical means to process bionic, non-smooth form and the depth structure with regular shape at parts surface: cylinder, cuboid or channel shaped, then utilize the powder feeding machine that prefabricated alloy or ceramic powders are sprayed into to fixing structure vacancy continuously, accompany by laser melting coating processing simultaneously, until cladding material fills up whole vacancy, the ratio range of its cladding alloy or ceramic powders is: C:0～5%, Cr:0～20%, Mn:0～20%, Si:0～3%, Mo:0～5%, Ni:0～5%, W:0～20%, Co:0～10%, B:0～10%, Nb:0～10%, Ti:0～5%, Zr:0～10%, Al
2o
3: 0～20%, B
4c:0～7%.
Beneficial effect of the present invention is: realize in large volume, large wall thickness parts surface carries out bionical heteroplasmonic large scale and large degree of depth preparation, significantly improve the wear-resisting of parts, crack arrest and antifatigue effect, reciprocation by bionical heteroplasmon and matrix, make bionical effect continuous and effective in certain depth and periodic regime on component function surface, obviously improve service life and the task performance of parts, improve the production efficiency of enterprise, improve the military service quality of parts, reduce the artificial and maintenance cost of enterprise, save unsustainable material resources and power cost, and there is broad prospect of application at a plurality of engineering fields.
The accompanying drawing explanation
The bionical heteroplasmon schematic diagram that Fig. 1 is different surface configurations and different damascene structures, wherein:
Fig. 1 (a) is cylindrical form for bionical heteroplasmon;
Fig. 1 (b) is the rectangular form of bionical heteroplasmon;
Fig. 1 (c) is the form that bionical heteroplasmon is striated.
Fig. 2 is for to utilize embedded boring with the bionical heteroplasmon schematic diagram of the compound preparation of dissimilar materials built-up welding at the iron and steel roller surface.
Fig. 3 is for to utilize embedded mechanical engraving to prepare bionical heteroplasmon schematic diagram with the dissimilar materials Cast-in Bonding on the tup surface.
Fig. 4 is for utilizing embedded boring with the bionical heteroplasmon schematic diagram of the synthetic preparation of dissimilar materials high temperature casting self-propagating reaction in the car brakeing panel surface.
Fig. 5 is for utilizing the same successively bionical heteroplasmon schematic diagram of the compound preparation of laser melting coating of embedded engraving at the plate upper surface.
Fig. 6 be mechanical engraving and the bionical heteroplasmon of the compound preparation of built-up welding rich chromium cast iron respectively with the surface chart of matrix junction, as can be seen from the figure overlay cladding and matrix are in conjunction with good.
Fig. 6 (a) is land matrix and heteroplasmon tissue topography;
Fig. 6 (b) is junction interface profile line;
Fig. 6 (c) organizes enlarged drawing for the bionical heteroplasmon in land.
Fig. 7 is that mechanical engraving and Cast-in Bonding prepare bionical heteroplasmonic shape of cross section and structure chart, wherein:
Fig. 7 (a) is square for bionical heteroplasmon cross sectional shape;
Fig. 7 (b) is that bionical heteroplasmon cross sectional shape is for circular
Fig. 7 (c) is rectangle for bionical heteroplasmon cross sectional shape
Fig. 8 is the micro-organization chart that mechanical engraving and Cast-in Bonding prepare bionical heteroplasmon zones of different, wherein:
Fig. 8 (a) is transition region, and the tissue of transition region is mainly pearlite+ledeburite+secondary cementite;
Fig. 8 (b) is land, and land is pearlite+a small amount of secondary cementite;
Fig. 8 (c) is the district of inserting, and the district of inserting is organized as tiny pearlite.
Fig. 9 is mechanical engraving and the laser melting coating ceramic material bionical heteroplasmonic cross-sectional morphology of synthetic preparation and structure chart, and visible, the bionical heteroplasmon after Laser Cladding Treatment is consisted of three zones, is respectively cladding area, land and phase change zone.Under the effect of same laser energy density, due to the ceramic material difference of institute's cladding, caused the size in heteroplasmon and each several part zone thereof there are differences.Wherein:
Fig. 9 (a) is the bionical heteroplasmon structure and morphology of cladding TiC;
Fig. 9 (b) is the bionical heteroplasmon structure and morphology of cladding WC;
Fig. 9 (c) is cladding B
4the bionical heteroplasmon structure and morphology of C;
Fig. 9 (d) is cladding Al
2o
3bionical heteroplasmon structure and morphology.
The X-ray diffraction pattern that Figure 10 is the synthetic preparation of mechanical engraving ceramic materials different from laser melting coating bionical heteroplasmon cladding layer district.As seen from the figure, during laser melting coating TiC powder, the bionical heteroplasmon of acquisition is organized as Fe
3c, martensite and TiC.During laser melting coating WC, heteroplasmon is organized as Fe
3w
3wC and the W of C, bulk
2c particle, martensite, Fe
3c and a small amount of graphite.Laser melting coating B
4during C, heteroplasmon is organized as FeB, martensite, Fe
3c and graphite.Laser melting coating Al
2o
3the time, heteroplasmon is organized as Fe
3c, martensite and Al
2o
3.
The micro-organization chart that Figure 11 is the synthetic preparation of mechanical engraving ceramic materials different from laser melting coating bionical heteroplasmon cladding layer district.
Figure 11 (a) is the bionical heterogeneous tagma microstructure of cladding TiC;
Figure 11 (b) is the bionical heterogeneous tagma of cladding WC microstructure;
Figure 11 (c) is cladding B
4the bionical heterogeneous tagma of C microstructure;
Figure 11 (d) is cladding Al
2o
3bionical heterogeneous tagma microstructure.
In figure: a-heteroplasmon longitudinal pitch; B-heteroplasmon horizontal spacing; D-cylinder heteroplasmon cross-sectional diameter; The h-heteroplasmon degree of depth; d
1-rectangle heteroplasmon cross-section lengths; d
2rectangle heteroplasmon cross-sectional width;
1-deposited metal pole; 2, roll; The 3-groove; 4-built-up welding heteroplasmon; The 5-grinder hammerhead; The bionical heteroplasmon of 6-castingin; The 7-brake disc; The 8-pit; The 9-prefabricated section; Heterogeneous of 10-casting self-propagating reaction; 11-powder feeding mouth; The 12-protective gas; The 13-powder feeding; The 14-laser cladding layer; The 15-groove
Heteroplasmon projecting part surface in figure is that actual processing should maintain an equal level with parts surface for the clear heteroplasmon that shows.
The specific embodiment
Further illustrate particular content of the present invention and embodiment thereof below in conjunction with the accompanying drawing illustrated embodiment.
According to the requirement of actual condition and use, select applicable heteroplasmon yardstick and the degree of depth, and there is the wear-resisting function surface with the antifatigue effect of bionic function at the parts surface design forming.Requirement in conjunction with operating mode to bionical heteroplasmon inherent quality, and feasible actual preparation technology, select suitable bionical heteroplasmon preparation method.
Implementation method of the present invention is as follows: at parts surface, design bionical heteroplasmonic form and distribution, bionical heteroplasmon is the surface characteristics of the biological multifactor coupling of simulation, there is certain configuration of surface: circle, bar shaped, square, heteroplasmon width or diameter are 3-20mm, spacing is 5-50mm.The degree of depth that the heteroplasmon built in items is certain, depth bounds is 3-30mm, has three-dimensional cylindrical, rectangle, channel shaped planform.
Bionical heteroplasmonic preparation method comprises: surface embedded type engraving or boring are with the synthetic preparation of dissimilar materials built-up welding, surface embedded type engraving or boring are with dissimilar materials high temperature casting synthetic preparation from climing edge, surface embedded type engraving or boring are with the synthetic preparation of dissimilar materials castingin, and surface embedded type engraving or boring are with the synthetic preparation of successively/continuous laser cladding.
The preparation process of four kinds of methods is as follows: 1. surface embedded type is carved or is holed with the compound preparation of dissimilar materials built-up welding: utilize the machining process such as milling, boring, at first form the non-smooth and depth structure with bionical effect at parts surface, the built-up welding of recycling medicine core alloy welding wire forms the heteroplasmon that the isostructure shape is complementary, the kind of welding wire comprises: rich chromium cast iron welding wire 22～35%Cr, 3.8～5.6%C, 0.5～1%Si, 1～1.5%Mn, 0.006%S, 0.013%P; High-carbon vanadium high-speed steel welding wire: 0.5～0.9%C, 0.4～0.8%Si, 0.3～0.6%Mn, 3～5%Cr, 5～9.5%Mo, 1～2.5%W, 0.8～1.3%V; Steel alloy welding wire: 0.45～0.65%C, 4.5～10%Cr, 2～7.5%Mo, 4～5%V, 1.8～2.2%Ni.2. surface embedded type engraving or boring are synthesized compound preparation with the casting of dissimilar materials high temperature from spreading: utilize mechanical means at first at parts surface, to process bionic, non-smooth form and the depth structure with regular shape, utilize subsequently injection moulding method that alloy or ceramic mixed-powder are injected to the vacancy that component processing goes out under the heating plasticizing state, finally utilize the high temperature casting to realize the connection of alloy material with matrix from spreading synthetic method; Its mixed-powder kind comprises: TiC, SiC, Al
2o
3, WC, ZrO
2, TiB
2ceramic powders; The self-fluxing alloy powder of Fe30A, Ni45, Co50; Rich chromium cast iron and high-speed steel particular alloy powder.3. prepared with the dissimilar materials Cast-in Bonding by surface embedded type engraving or boring.Utilize mechanical means at first at parts surface, to process bionic, non-smooth form and the depth structure with regular shape, subsequently Hardmetal materials is placed on to the vacancy that machining goes out, the high temperature of recycling melting matrix material, the top layer metal molten that makes to insert, and cooled and solidified is made the technique of casting composite material together.Its Hardmetal materials can be: H13 steel or HD steel.4. surface embedded type is carved or is holed with successively/compound preparation of continuous laser cladding: at first utilize mechanical means to process bionic, non-smooth form and the depth structure with regular shape at parts surface, then utilize the powder feeding machine that prefabricated alloy or ceramic powders are sprayed into to fixing structure vacancy continuously, accompany by laser melting coating processing, until cladding material fills up whole vacancy simultaneously.The ratio range of its cladding alloy or ceramic powders is: C:0～5%, Cr:0～20%, Mn:0～20%, Si:0～3%, Mo:0～5%, Ni:0～5%, W:0～20%, Co:0～10%, B:0～10%, Nb:0～10%, Ti:0～5%, Zr:0～10%, Al
2o
3: 0～20%, B
4c:0～7%.
Embodiment mono-
See figures.1.and.2, at roller surface, utilize mechanical engraving to prepare the bionical heteroplasmon of the large degree of depth with the method for the compound preparation of dissimilar materials built-up welding, bionical heteroplasmonic planform is the prismatic striped shown in Fig. 1 (c).Concrete preparation method is: at first at roller surface, by the method for machining, process the striated groove, recess width d is 10mm, and degree of depth h is 5mm, and spacing a is 15mm; Next adopts the method for plasma surfacing that welding wire is filled into to groove, and the built-up welding filler is rich chromium cast iron, and its composition is 35%Cr, 5.6%C, 0.5Si, 1.5%Mn, 0.006%S, 0.013%P; , the roll working life obtained after preparation improves 25%.
Embodiment bis-
See figures.1.and.2, at roller surface, utilize mechanical engraving with the bionical heteroplasmon of the large degree of depth of the compound preparation of the method for castingin, bionical heteroplasmonic planform is cylinder shown in Fig. 1 (a).Concrete preparation method is: at first at roller surface, by the method for machining, process blind cylindrical hole, blind hole is of a size of Φ 10*10mm; The cylinder HD steel that will be processed into subsequently Φ 8*10mm is preset in blind hole, pours into the molten steel of same matrix phase with material, makes HD steel and matrix form good metallurgical binding, and the roller surface wearability prepared improves 50%, improves 1 times service life.
Embodiment tri-
With reference to Fig. 1 and Fig. 3, on grinder hammerhead, utilize mechanical engraving with the bionical heteroplasmon of the large degree of depth of the compound preparation of castingin H13 steel, bionical heteroplasmonic planform is the positive cuboid shown in Fig. 1 (b).Concrete preparation method is: at first on grinder hammerhead, the way by machining processes the rectangle blind hole, the length d of rectangle
1for 10mm, width d
2for 10mm, the degree of depth h of blind hole is 15mm; The H13 steel rectangle edge that subsequently length is respectively to 6mm, 6mm, 15mm is preset in blind hole soon, again molten steel is cast in blind hole, the final heteroplasmon spacing a formed is 10mm, b is 10mm, control cast temperature and direction, make molten steel and H13 steel and basal body interface good combination, the wearability of the bionical grinder hammerhead of acquisition improves 200%, and the life-span doubles.
Embodiment tetra-
With reference to Fig. 1 and Fig. 4, in the car brakeing panel surface, adopt mechanical engraving to obtain the bionical heteroplasmon of the large degree of depth with the method for the synthetic preparation of casting self-propagating reaction, bionical heteroplasmonic physical dimension is as shown in Fig. 1 (a).Concrete preparation method is: at first on the brake disc surface, by the method for machining, process blind cylindrical hole, blind hole is of a size of Φ 20*10mm, then the ratio that is 10wt% by the mixed-powder of Fe-W-C in Fe is inserted in ball mill and is mixed, wherein the mol ratio of W and C is 1:1, secondly at room temperature utilize pressed compact machinery mixed powder to be pressed into to the cylindrical prefabricated section of Φ 15*10mm, prefabricated section is placed in low vacuum low temperature drying case to eight hours, the gentle physical efficiency of moisture in prefabricated section is overflowed fully, afterwards prefabricated section is placed in groove, pour into molten steel, utilize molten steel temperature to light the prefabricated section reaction system and carry out self-propagating reaction, thereby form good metallurgical binding with matrix, the bionical heteroplasmon of preparing makes the thermal fatigue resistance of brake disc improve 10%, wearability improves 20%.
Embodiment five
With reference to Fig. 1 and Fig. 5, in plate surface, utilize mechanical engraving with the bionical heteroplasmon of the laser melting coating ceramic material large degree of depth of synthetic preparation, bionical heteroplasmonic structural form is as shown in Fig. 1 (c).At first process the groove of striated by the method for machining in plate surface, recess width d is 20mm, and degree of depth h is 10mm, and spacing a is 15mm, utilizes subsequently laser cladding heterogeneous powder body material to be carried out in groove to successively filling, the Fe of cladding and Al
2o
3powder mixes in the ratio of 4:1, and with powder feeding machine synchronous powder feeding system, workpiece is along with movable workbench, thereby can realize multi-compartment bed powder cladding forming.The preparation method obtains the bionical heteroplasmon that deeply reaches 10mm thus, and the wearability of whole bionic surface increases by 20%, and the thermal fatigue resistance ability improves 10%.
Claims (5)
1. one kind prepares the bionical heteroplasmonic method of the large degree of depth at the wall thickness parts surface, it is characterized in that:
Design bionical heteroplasmonic form, structure and distribution at parts surface, bionical heteroplasmon is the surface characteristics of the biological multifactor coupling of simulation, cylinder, cuboid or channel shaped structure with circle, bar shaped or square face form, heteroplasmon diameter or width are 3-20mm, and spacing is 5-50mm; The depth bounds of heteroplasmon built in items is 3-30mm; Heteroplasmon upper surface and matrix surface maintain an equal level;
Described bionical heteroplasmonic preparation comprises: the synthetic preparation of surface embedded type engraving or boring and dissimilar materials built-up welding, surface embedded type engraving or boring and the casting of the dissimilar materials high temperature synthetic preparation from climing edge, the synthetic preparation of surface embedded type engraving or boring and dissimilar materials castingin, the synthetic preparation of surface embedded type engraving or boring and successively/continuous laser cladding.
2. according to claim 1ly at the wall thickness parts surface, prepare the bionical heteroplasmonic method of the large degree of depth, it is characterized in that:
Described surface embedded type engraving or boring and the compound preparation of dissimilar materials built-up welding, at first utilize milling, drilling machine processing method, at first form the non-smooth and depth structure of cylinder, cuboid or channel shaped with bionical effect at parts surface, the built-up welding of recycling medicine core alloy welding wire forms the heteroplasmon that the isostructure shape is complementary, and the kind of welding wire comprises: rich chromium cast iron welding wire 22～35%Cr, 3.8～5.6%C, 0.5～1%Si, 1～1.5%Mn, 0.006%S, 0.013%P; High-carbon vanadium high-speed steel welding wire: 0.5～0.9%C, 0.4～0.8%Si, 0.3～0.6%Mn, 3～5%Cr, 5～9.5%Mo, 1～2.5%W, 0.8～1.3%V; Steel alloy welding wire: 0.45～0.65%C, 4.5～10%Cr, 2～7.5%Mo, 4～5%V, 1.8～2.2%Ni.
3. according to claim 1ly at the wall thickness parts surface, prepare the bionical heteroplasmonic method of the large degree of depth, it is characterized in that:
Described surface embedded type engraving or boring are synthesized compound preparation with the casting of dissimilar materials high temperature from spreading, at first utilize mechanical means at first at parts surface, to process bionic, non-smooth form and the depth structure with regular shape: cylinder, cuboid or channel shaped, utilize afterwards injection moulding method that alloy or ceramic mixed-powder are injected to the vacancy that component processing goes out under the heating plasticizing state, finally utilize the high temperature casting to realize the connection of alloy material with matrix from spreading synthetic method; Its mixed-powder kind comprises: TiC, SiC, Al
2o
3, WC, ZrO
2, TiB
2ceramic powders; The self-fluxing alloy powder of Fe30A, Ni45, Co50; Rich chromium cast iron and high-speed steel particular alloy powder.
4. according to claim 1ly at the wall thickness parts surface, prepare the bionical heteroplasmonic method of the large degree of depth, it is characterized in that:
With the dissimilar materials Cast-in Bonding, prepared by described surface embedded type engraving or boring, at first utilize mechanical means at first at parts surface, to process bionic, non-smooth form and the depth structure with regular shape: cylinder, cuboid or channel shaped, afterwards Hardmetal materials is placed on to the vacancy that machining goes out, the high temperature of recycling melting matrix material, the top layer metal molten makes to insert, and cooled and solidified is made the technique of casting composite material together, its Hardmetal materials is: H13 steel or HD steel.
5. according to claim 1ly at the wall thickness parts surface, prepare the bionical heteroplasmonic method of the large degree of depth, it is characterized in that:
Described surface embedded type engraving or boring are with successively/compound preparation of continuous laser cladding, at first utilize mechanical means to process bionic, non-smooth form and the depth structure with regular shape at parts surface: cylinder, cuboid or channel shaped, then utilize the powder feeding machine that prefabricated alloy or ceramic powders are sprayed into to fixing structure vacancy continuously, accompany by laser melting coating processing simultaneously, until cladding material fills up whole vacancy, the ratio range of its cladding alloy or ceramic powders is: C:0～5%, Cr:0～20%, Mn:0～20%, Si:0～3%, Mo:0～5%, Ni:0～5%, W:0～20%, Co:0～10%, B:0～10%, Nb:0～10%, Ti:0～5%, Zr:0～10%, Al
2o
3: 0～20%, B
4c:0～7%.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934566A (en) * | 2014-04-29 | 2014-07-23 | 长春三友汽车部件制造有限公司 | Method for improving abrasion resistance of stir head for stir-friction welding of high-strength aluminum alloy |
| CN103949648A (en) * | 2014-05-08 | 2014-07-30 | 吉林大学 | Preparation method of high-strength high-toughness bionic-function surface wear resistance composite material |
| CN104985185A (en) * | 2015-06-16 | 2015-10-21 | 宋冠弘 | Workpiece surface processing method for self-propagating reaction synthetic process |
| CN106250636A (en) * | 2016-08-02 | 2016-12-21 | 浙江大学 | A kind of cement-based material fatigue failure model considering stress level and the method for building up of repeated strain probabilistic model |
| CN108941561A (en) * | 2018-08-07 | 2018-12-07 | 吉林大学 | A kind of bionical components of coupling of high temperature resistant erosive wear |
| CN109182888A (en) * | 2018-07-10 | 2019-01-11 | 吉林大学 | The bionical components of the coupling of high temperature resistant erosive wear and its bionic surface preparation method |
| CN112846150A (en) * | 2020-12-30 | 2021-05-28 | 中钢集团邢台机械轧辊有限公司 | Multi-element composite manufacturing method for hot-rolled section steel hole type roller |
| CN114752931A (en) * | 2022-04-06 | 2022-07-15 | 中国科学院宁波材料技术与工程研究所 | Refractory high-entropy alloy composite coating and preparation method and application thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934566A (en) * | 2014-04-29 | 2014-07-23 | 长春三友汽车部件制造有限公司 | Method for improving abrasion resistance of stir head for stir-friction welding of high-strength aluminum alloy |
| CN103934566B (en) * | 2014-04-29 | 2016-05-04 | 长春三友汽车部件制造有限公司 | A kind of method of the stirring-head wearability that improves agitating friction welding high strength alumin ium alloy |
| CN103949648A (en) * | 2014-05-08 | 2014-07-30 | 吉林大学 | Preparation method of high-strength high-toughness bionic-function surface wear resistance composite material |
| CN104985185A (en) * | 2015-06-16 | 2015-10-21 | 宋冠弘 | Workpiece surface processing method for self-propagating reaction synthetic process |
| CN106250636A (en) * | 2016-08-02 | 2016-12-21 | 浙江大学 | A kind of cement-based material fatigue failure model considering stress level and the method for building up of repeated strain probabilistic model |
| CN109182888A (en) * | 2018-07-10 | 2019-01-11 | 吉林大学 | The bionical components of the coupling of high temperature resistant erosive wear and its bionic surface preparation method |
| CN108941561A (en) * | 2018-08-07 | 2018-12-07 | 吉林大学 | A kind of bionical components of coupling of high temperature resistant erosive wear |
| CN112846150A (en) * | 2020-12-30 | 2021-05-28 | 中钢集团邢台机械轧辊有限公司 | Multi-element composite manufacturing method for hot-rolled section steel hole type roller |
| CN112846150B (en) * | 2020-12-30 | 2023-02-28 | 中钢集团邢台机械轧辊有限公司 | Multi-element composite manufacturing method for hot-rolled section steel hole type roller |
| CN114752931A (en) * | 2022-04-06 | 2022-07-15 | 中国科学院宁波材料技术与工程研究所 | Refractory high-entropy alloy composite coating and preparation method and application thereof |
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